Husqvarna Chainsaw 236E User Manual

EN Operator's Manual, 6-23  
PL Instrukcja obs∏ugi, 253-273  
ES Manual de instrucciones, 24-43 EE Käsitsemisõpetus, 274-291  
SE Bruksanvisning, 44-61  
FI Käyttöohje, 62-79  
LV Lieto‰anas pamÇc¥ba, 292-309  
LT Naudojimosi instrukcijos, 310-327  
HR Priruãnik, 328-345  
DK Brugsanvisning, 80-97  
NO Bruksanvisning, 98-115  
IT Istruzioni per l’uso, 116-135  
BG ꢀúêîâîäñòâî çà åêñïëîàòàöèß,  
346-368  
PT Instruções para o uso, 136-156 FR Manuel d'utilisation, 369-387  
GR ∂Á¯ÂÈÚ›‰ÈÔ ÃÚ‹Û˘, 157-179  
DE Bedienungsanweisung, 388-407 235e, 236e  
CZ Návod k pouÏití, 180-197  
NL Gebruiksaanwijzing, 408-427  
SK Operátorská príruãka, 198-215 TR Kullaním kílavuzu, 428-445  
240e, 240e  
TrioBrake  
SI Navodila za uporabo, 216-233  
HU Használati utasítás, 234-252  
RO Instrucöiuni de utilizare, 446-463  
 
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A
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OFF HALF FULL  
27  
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1153140-26 Rev. 2 2010-02-11  
 
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6, 8  
2
9
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Retreat path  
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1153140-26 Rev. 2 2010-02-11  
 
44  
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49  
240e TrioBrake  
50  
51  
A
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2
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52  
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1153140-26 Rev. 2 2010-02-11  
 
INTRODUCTION  
Dear Customer,  
Symbols on the machine:  
WARNING! Chain saws can be  
dangerous! Careless or incorrect use  
can result in serious or fatal injury to  
the operator or others.  
Congratulations on your choice to buy a Husqvarna  
product! Husqvarna is based on a tradition that dates back  
to 1689, when the Swedish King Karl XI ordered the  
construction of a factory on the banks of the Husqvarna  
River, for production of muskets. The location was logical,  
since water power was harnessed from the Huskvarna  
River to create the water-powered plant. During the more  
than 300 years of beeing, the Husqvarna factory has  
produced a lot of different products, from wood stoves to  
modern kitchen appliances, sewing machines, bicycles,  
motorcycles etc. In 1956, the first motor driven lawn  
mowers appeared, followed by chain saws in 1959, and it  
is within this area Husqvarna is working today.  
Please read the operator’s manual  
carefully and make sure you  
understand the instructions before  
using the machine.  
Always wear:  
Approved protective helmet  
Approved hearing protection  
Protective goggles or a visor  
Today Husqvarna is one of the leading manufacturers in  
the world of forest and garden products, with quality as our  
highest priority. The business concept is to develop,  
manufacture and market motor driven products for forestry  
and gardening as well as for building and construction  
industry. Husqvarnas aim is also to be in the front edge  
according to ergonomics, usability, security and  
environmental protection. That is the reason why we have  
developed many different features to provide our products  
within these areas.  
This product is in accordance with  
applicable EC directives.  
Noise emission to the environment  
according to the European  
Community’s Directive. The machine’s  
emission is specified in chapter  
Technical data and on label.  
We are convinced that you will appreciate with great  
satisfaction the quality and performance of our product for  
a very long time to come. The purchase of one of our  
products gives you access to professional help with repairs  
and service whenever this may be necessary. If the retailer  
who sells your machine is not one of our authorised  
dealers, ask for the address of your nearest service  
workshop.  
Both of the operators hands must be  
used to operate the chain saw.  
It is our wish that you will be satisfied with your product and  
that it will be your companion for a long time. Think of this  
operators manual as a valuable document. By following  
itscontent (using, service, maintenance etc) the life span  
and the second-hand value of the machine can be  
extended. If you will sell this machine, make sure that the  
buyer will get the operators manual.  
Never operate a chain saw holding it  
with one hand only.  
Contact of the guide bar tip with any  
object must be avoided.  
Thank you for using a Husqvarna product.  
WARNING! Kickback may occur when  
the nose or tip of the guide bar touches  
an object, and cause a lightning fast  
reverse reaction, kicking the guide bar  
up and towards the operator.May cause  
serious personal injury.  
Husqvarna AB has a policy of continuous product  
development and therefore reserves the right to modify the  
design and appearance of products without prior notice.  
Chain brake, activated (left)  
Chain brake, not activated  
(right)  
Other symbols/decals on  
the machine refer to special certification requirements  
for certain markets.  
6 – English  
1153140-26 Rev. 2 2010-02-11  
 
INTRODUCTION / CONTENTS  
What is what on the chain saw?  
(1)  
Contents  
INTRODUCTION  
Dear Customer, .......................................................... 6  
1
Product and serial number plate  
Symbols on the machine: ..........................................  
What is what on the chain saw? ................................  
CONTENTS  
6
7
2
Throttle lockout (Prevents accidental operation of  
throttle control.)  
3
4
5
6
7
8
9
Front handle  
Contents ....................................................................  
GENERAL SAFETY PRECAUTIONS  
7
Cylinder cover  
Front hand guard  
Muffler  
Before using a new chain saw .................................... 8  
Important .................................................................... 8  
Always use common sense ........................................ 8  
Personal protective equipment ................................... 9  
Machines safety equipment ...................................... 9  
Cutting equipment ...................................................... 10  
ASSEMBLY  
Spike bumper  
Bar tip sprocket  
Rear handle with right hand guard  
10Throttle control  
11Clutch cover  
Fitting the bar and chain ............................................ 13  
FUEL HANDLING  
12Chain catcher  
13Guide bar  
Fuel ............................................................................ 14  
Fuelling ...................................................................... 14  
Fuel safety .................................................................. 14  
STARTING AND STOPPING  
14Saw chain  
15Starter handle  
16Chain oil tank  
17Starter  
Starting and stopping ................................................. 15  
WORKING TECHNIQUES  
18Fuel tank  
19Choke control/Start throttle lock  
20Rear handle  
Before use: ................................................................. 16  
General working instructions ...................................... 16  
How to avoid kickback ................................................ 19  
MAINTENANCE  
21Stop switch (Ignition on/off switch)  
22Adjuster screws carburettor  
23Air purge  
General ...................................................................... 19  
Carburettor adjustment .............................................. 19  
24Information and warning decal  
25Chain tensioner wheel  
26Knob  
Checking, maintaining and servicing chain saw safety  
equipment .................................................................. 19  
Muffler ........................................................................ 20  
Air filter ....................................................................... 20  
Spark plug .................................................................. 20  
Maintenance schedule ............................................... 21  
TECHNICAL DATA  
27Guide bar cover  
28Combination spanner  
29Operators manual  
30Right-hand brake trigger (240e TrioBrake)  
Technical data ............................................................ 22  
Bar and chain combinations ....................................... 23  
EC-declaration of conformity ...................................... 23  
English – 7  
1153140-26 Rev. 2 2010-02-11  
 
GENERAL SAFETY PRECAUTIONS  
Before using a new chain saw  
Important  
Please read this manual carefully.  
IMPORTANT!  
(1) - (51) refer to figures on p. 2-5.  
The machine is only designed for cutting wood.  
Check that the cutting equipment is correctly fitted and  
adjusted. See instructions under the heading Assembly.  
You should only use the saw with the bar and chain  
combinations we recommend in the chapter Technical  
data.  
Refuel and start the chain saw. See the instructions  
under the headings Fuel Handling and Starting and  
Stopping.  
Never use the machine if you are fatigued, while under  
the influence of alcohol or drugs, medication or  
anything that could affect your vision, alertness,  
coordination or judgement.  
Do not use the chain saw until sufficient chain oil has  
reached the chain. See instructions under the heading  
Lubricating cutting equipment.  
Wear personal protective equipment. See instructions  
under the heading Personal protective equipment.  
Long-term exposure to noise can result in permanent  
hearing impairment. So always use approved hearing  
protection.  
Do not modify this product or use it if it appears to have  
been modified by others.  
Never use a machine that is faulty. Carry out the  
checks, maintenance and service instructions  
described in this manual. Some maintenance and  
service measures must be carried out by trained and  
qualified specialists. See instructions under the  
heading Maintenance.  
WARNING! Under no circumstances may  
the design of the machine be modified  
without the permission of the  
manufacturer. Always use genuine  
accessories. Non-authorized  
modifications and/or accessories can  
result in serious personal injury or the  
death of the operator or others.  
!
Never use any accessories other than those  
recommended in this manual. See instructions under  
the headings Cutting equipment and Technical data.  
WARNING! A chain saw is a dangerous  
tool if used carelessly or incorrectly and  
can cause serious, even fatal injuries. It  
is very important that you read and  
understand the contents of this  
operator’s manual.  
CAUTION! Always wear protective glasses or a face  
visor to reduce the risk of injury from thrown objects. A  
chain saw is capable of throwing objects, such as wood  
chips, small pieces of wood, etc, at great force. This  
can result in serious injury, especially to the eyes.  
!
WARNING! Running an engine in a  
confined or badly ventilated area can  
result in death due to asphyxiation or  
carbon monoxide poisoning.  
WARNING! The inside of the muffler  
contain chemicals that may be  
carcinogenic. Avoid contact with these  
elements in the event of a damaged  
muffler.  
!
!
WARNING! Faulty cutting equipment or  
the wrong combination of bar and saw  
chain increases the risk of kickback!  
!
WARNING! Long term inhalation of the  
engine’s exhaust fumes, chain oil mist  
and dust from sawdust can represent a  
health risk.  
Only use the bar/saw chain  
combinations we recommend, and  
follow the filing instructions. See  
instructions under the headingTechnical  
data.  
!
WARNING! This machine produces an  
electromagnetic field during operation.  
This field may under some  
!
Always use common sense (2)  
circumstances interfere with active or  
passive medical implants.To reduce the  
risk of serious or fatal injury, we  
recommend persons with medical  
implants to consult their physician and  
the medical implant manufacturer before  
operating this machine.  
It is not possible to cover every conceivable situation you  
can face when using a chain saw. Always exercise care  
and use your common sense. Avoid all situations which  
you consider to be beyond your capability. If you still feel  
uncertain about operating procedures after reading these  
instructions, you should consult an expert before  
continuing. Do not hesitate to contact your dealer or us if  
you have any questions about the use of the chain saw.We  
will willingly be of service and provide you with advice as  
well as help you to use your chain saw both efficiently and  
safely. Attend a training course in chain saw usage if  
possible.Your dealer, forestry school or your library can  
provide information about which training materials and  
courses are available. Work is constantly in progress to  
improve the design and technology - improvements that  
8 – English  
1153140-26 Rev. 2 2010-02-11  
 
GENERAL SAFETY PRECAUTIONS  
increase your safety and efficiency. Visit your dealer  
brake reduces the risk of accidents, but only you can  
regularly to see whether you can benefit from new features  
that have been introduced.  
prevent them.  
Take care when using your saw and make sure the  
kickback zone of the bar never touches any object (45).  
Personal protective equipment  
The chain brake (A) can either be activated manually  
(by your left hand) or automatically by the inertia release  
mechanism.(3)  
The brake is applied when the front hand guard (B) is  
pushed forwards or when the right-hand brake trigger  
(E) is pushed up and forwards (240e TrioBrake). (3)  
This movement activates a spring-loaded mechanism  
that tightens the brake band (C) around the engine drive  
system (D) (clutch drum). (4)  
The front hand guard is not designed solely to activate  
the chain brake. Another important feature is that it  
reduces the risk of your left hand hitting the chain if you  
lose grip of the front handle.  
WARNING! Most chain saw accidents  
happen when the chain touches the  
operator.You must use approved  
personal protective equipment whenever  
you use the machine. Personal  
!
protective equipment cannot eliminate  
the risk of injury but it will reduce the  
degree of injury if an accident does  
happen. Ask your dealer for help in  
choosing the right equipment.  
Approved protective helmet  
Hearing protection  
The chain brake must be engaged when the chain saw  
is started to prevent the saw chain from rotating.  
Use the chain brake as a ”parking brake” when starting  
and when moving over short distances, to reduce the  
risk of moving chain accidentally hitting your leg or  
anyone or anything close by.  
Protective goggles or a visor  
Gloves with saw protection  
Trousers with saw protection  
To release the chain brake pull the front hand guard  
backwards, towards the front handle.  
Kickback can be very sudden and violent. Most  
kickbacks are minor and do not always activate the  
chain brake. If this happens you should hold the chain  
saw firmly and not let go.  
Boots with saw protection, steel toe-cap and non-slip  
sole  
Always have a first aid kit nearby.  
Fire Extinguisher and Shovel  
Generally clothes should be close-fitting without restricting  
your freedom of movement.  
The way the chain brake is activated, either manually or  
automatically by the inertia release mechanism,  
depends on the force of the kickback and the position of  
the chain saw in relation to the object that the kickback  
zone of the bar strikes.  
IMPORTANT! Sparks can come from the muffler, the  
bar and chain or other sources. Always have fire  
extinguishing tools available if you should need them.  
Help prevent forest fires.  
If you get a violent kickback while the kickback zone of  
the bar is farthest away from you the chain brake is  
designed to be activated by the inertia in the kickback  
direction.  
Machines safety equipment  
If the kickback is less violent or the kickback zone of the  
bar is closer to you the chain brake will be activated  
manually by the movement of your left hand.  
In the felling position the left hand is in a position that  
makes manual activation of the chain brake impossible.  
With this type of grip, that is when the left hand is placed  
so that it cannot affect the movement of the front hand  
guard, the chain brake can only be activated by the  
inertia action.  
In this section the machine’s safety features and their  
function are explained. For inspection and maintenance  
see instructions under the heading Checking, maintaining  
and servicing chain saw safety equipment. See  
instructions under the heading, What is what?, to find  
where these parts are located on your machine.  
The life span of the machine can be reduced and the risk  
of accidents can increase if machine maintenance is not  
carried out correctly and if service and/or repairs are not  
carried out professionally. If you need further information  
please contact your nearest service workshop.  
Will my hand always activate the chain  
brake during a kickback?  
WARNING! Never use a machine with  
defective safety components. Safety  
equipment must be inspected and  
maintained. See instructions under the  
heading Checking, maintaining and  
servicing chain saw safety equipment. If  
your machine does not pass all the  
checks, take the saw to a servicing  
dealer for repair.  
No.It takes a certain force to move the hand guard forward.  
If your hand only lightly touches the front guard or slips  
over it, the force may not be enough to trigger the chain  
brake.You should also maintain a firm grip of the chain saw  
handles while working. If you do and experience a  
kickback, your hand may never leave the front handle and  
will not activate the chain brake, or the chain brake will only  
activate after the saw has swung around a considerable  
distance.In such instances, the chain brake might not have  
enough time to stop the saw chain before it touches you.  
!
Chain brake and front hand guard  
There are also certain positions in which your hand cannot  
reach the front hand guard to activate the chain brake; for  
example, when the saw chain is held in felling position.  
Your chain saw is equipped with a chain brake that is  
designed to stop the chain if you get a kickback.The chain  
English – 9  
1153140-26 Rev. 2 2010-02-11  
 
GENERAL SAFETY PRECAUTIONS  
with cutting equipment that is blunt or faulty (wrong type or  
badly sharpened) will increase the vibration level.  
Will my inertia activated chain brake  
always activate during kickback in the  
event of a kickback?  
WARNING! Overexposure to vibration  
can lead to circulatory damage or nerve  
damage in people who have impaired  
No. First your brake must be in working order. Testing the  
brake is simple, see instructions under the heading  
Checking, maintaining and servicing chain saw safety  
equipment. We recommend you do before you begin each  
work session. Second the kickback must be strong enough  
to activate the chain brake. If the chain brake is too  
sensitive it would activate all the time which would be a  
nuisance.  
!
circulation. Contact your doctor if you  
experience symptoms of overexposure  
to vibration. Such symptoms include  
numbness, loss of feeling, tingling,  
pricking, pain, loss of strength, changes  
in skin colour or condition.These  
symptoms normally appear in the  
fingers, hands or wrists.These  
symptoms may be increased in cold  
temperatures.  
Will my chain brake always protect me  
from injury in the event of a kickback?  
No. First, the chain brake must be in working order to  
provide the intended protection. Second, it must be  
activated during the kickback as described above to stop  
the saw chain.Third, the chain brake may be activated but  
if the bar is too close to you the brake might not have  
enough time to slow down and stop the chain before the  
chain saw hits you.  
Stop switch  
Use the stop switch to switch off the engine.  
Muffler  
The muffler is designed to reduce noise levels and to direct  
exhaust fumes away from the user.  
Only you and proper working technique can eliminate  
kickback and its danger.  
WARNING! The exhaust fumes from the  
engine are hot and may contain sparks  
which can start a fire. Never start the  
machine indoors or near combustible  
material!  
Throttle lockout  
!
The throttle lockout is designed to prevent accidental  
operation of the throttle control. When you press the lock  
(A) (i.e. when you grasp the handle) it releases the throttle  
control (B). When you release the handle the throttle  
control and the throttle lockout both move back to their  
original positions.This arrangement means that the throttle  
control is automatically locked at the idle setting. (5)  
In areas with a hot, dry climate there is a high risk of fires.  
These areas are sometimes subject to government rules  
requiring among other things the muffler must be equipped  
with an approved type of spark arrestor mesh (A). (6)  
Chain catcher  
CAUTION! The muffler gets very hot during and after  
use.This also applies during idling. Be aware of the fire  
hazard, especially when working near flammable  
substances and/or vapours.  
The chain catcher is designed to catch the chain if it snaps  
or jumps off.This should not happen if the chain is properly  
tensioned (see instructions under the heading Assembly)  
and if the bar and chain are properly serviced and  
maintained (see instructions under the heading General  
working instructions).  
WARNING! Never use a saw without a  
muffler, or with a damaged muffler. A  
damaged muffler may substantially  
!
Right hand guard  
increase the noise level and the fire  
hazard. Keep fire fighting equipment  
handy. If a spark arrestor screen is  
required in your area, never use the saw  
without or with a broken spark arrestor  
screen.  
Apart from protecting your hand if the chain jumps or  
snaps, the right hand guard stops branches and twigs from  
interfering with your grip on the rear handle.  
Vibration damping system  
Your machine is equipped with a vibration damping system  
that is designed to minimize vibration and make operation  
easier.  
Cutting equipment  
The machines vibration damping system reduces the  
transfer of vibration between the engine unit/cutting  
equipment and the machines handle unit.The body of the  
chain saw, including the cutting equipment, is insulated  
from the handles by vibration damping units.  
This section describes how to choose and maintain your  
cutting equipment in order to:  
Reduce the risk of kickback.  
Reduce the risk of the saw chain breaking or jumping off  
the bar.  
Cutting hardwoods (most broadleaf trees) creates more  
vibration than cutting softwoods (most conifers). Cutting  
Obtain optimal cutting performance.  
Extend the life of cutting equipment.  
Avoid increasing vibration levels.  
10 – English  
1153140-26 Rev. 2 2010-02-11  
 
GENERAL SAFETY PRECAUTIONS  
Chain pitch (inches). The spacing between the drive  
General rules  
links of the chain must match the spacing of the teeth on  
the bar tip sprocket and drive sprocket. Number of drive  
links. The number of drive links is determined by the  
length of the bar, the chain pitch and the number of teeth  
on the bar tip sprocket.  
Bar groove width (inches/mm). The groove in the bar  
must match the width of the chain drive links.  
Chain oil hole and hole for chain tensioner.The bar must  
be matched to the chain saw design.  
Only use cutting equipment recommended by us!  
See instructions under the heading Technical data.  
Keep the chain’s cutting teeth properly sharpened!  
Follow our instructions and use the recommended  
file gauge. A damaged or badly sharpened chain  
increases the risk of accidents.  
Maintain the correct depth gauge setting! Follow  
our instructions and use the recommended depth  
gauge clearance. Too large a clearance increases the  
risk of kickback.  
Chain  
Chain pitch (inches)  
Drive link width (mm/inches)  
Number of drive links.  
Keep the chain properly tensioned! If the chain is  
slack it is more likely to jump off and lead to increased  
wear on the bar, chain and drive sprocket.  
Sharpening your chain and adjusting  
depth gauge setting  
Keep cutting equipment well lubricated and  
properly maintained! A poorly lubricated chain is  
more likely to break and lead to increased wear on the  
bar, chain and drive sprocket.  
WARNING! Always wear gloves, when  
working with the chain, in order to  
protect your hands from injury.  
!
Cutting equipment designed to reduce  
kickback  
General information on sharpening cutting teeth  
WARNING! Faulty cutting equipment or  
the wrong combination of bar and saw  
chain increases the risk of kickback!  
Only use the bar/saw chain  
combinations we recommend, and  
follow the filing instructions. See  
instructions under the headingTechnical  
data.  
Never use a blunt chain. When the chain is blunt you  
have to exert more pressure to force the bar through the  
wood and the chips will be very small.If the chain is very  
blunt it will produce wood powder and no chips or  
shavings.  
!
A sharp chain eats its way through the wood and  
produces long, thick chips or shavings.  
The cutting part of the chain is called the cutter and  
consists of a cutting tooth (A) and the depth gauge (B).  
The cutters cutting depth is determined by the  
difference in height between the two (depth gauge  
setting). (7)  
The only way to avoid kickback is to make sure that the  
kickback zone of the bar never touches anything.  
By using cutting equipment with ”built-in” kickback  
reduction and keeping the chain sharp and well-  
maintained you can reduce the effects of kickback.  
When you sharpen a cutting tooth there are four important  
factors to remember.  
1
2
3
4
Filing angle  
Cutting angle  
File position  
Bar  
The smaller the tip radius the lower the chance of kickback.  
Round file diameter  
Chain  
It is very difficult to sharpen a chain correctly without the  
right equipment. We recommend that you use our file  
gauge. This will help you obtain the maximum kickback  
reduction and cutting performance from your chain.  
See instructions under the heading Technical data for  
information about sharpening your chain.  
A chain is made up of a number of links, which are  
available in standard and low-kickback versions.  
IMPORTANT! No saw chain design eliminates the  
danger of kickback.  
WARNING! Departure from the  
sharpening instructions considerably  
increases the risk of kickback.  
WARNING! Any contact with a rotating  
saw chain can cause extremely serious  
injuries.  
!
!
Sharpening cutting teeth  
Some terms that describe the bar and chain  
To sharpen cutting teeth you will need a round file and a file  
gauge. See instructions under the heading Technical data  
for information on the size of file and gauge that are  
recommended for the chain fitted to your chain saw.  
To maintain the safety features of the cutting equipment,  
you should replace a worn or damaged bar or chain with a  
bar and chain combinations recommended by Husqvarna.  
See instructions under the heading Technical Data for a list  
of replacement bar and chain combinations we  
recommend.  
Check that the chain is correctly tensioned. A slack  
chain will move sideways, making it more difficult to  
sharpen correctly.  
Bar  
Always file cutting teeth from the inside face. Reduce  
the pressure on the return stroke. File all the teeth on  
Length (inches/cm)  
Number of teeth on bar tip sprocket (T).  
English – 11  
1153140-26 Rev. 2 2010-02-11  
 
GENERAL SAFETY PRECAUTIONS  
one side first, then turn the chain saw over and file the  
Adjust the tension on the chain by turning the wheel  
teeth on the other side.  
down (+) for tighter tension and up (-) to loosen the  
tension. Lift tip of guide bar while adjusting tension. (12)  
File all the teeth to the same length. When the length of  
the cutting teeth is reduced to 4 mm (0.16") the chain is  
worn out and should be replaced. (8)  
Tighten the clutch cover by turning the knob clockwise  
while lifting tip of bar. (13)  
Fold the knob back in to lock the tensioning. (14)  
General advice on adjusting depth gauge setting (7)  
When you sharpen the cutting tooth (A) the depth gauge  
setting (C) will decrease. To maintain optimal cutting  
performance the depth gauge (B) has to be filed down  
to achieve the recommended depth gauge setting. See  
instructions under the heading Technical data to find the  
correct depth gauge setting for your particular chain.  
Lubricating cutting equipment  
WARNING! Poor lubrication of cutting  
equipment may cause the chain to snap,  
which could lead to serious, even fatal  
injuries.  
!
WARNING! The risk of kickback is  
increased if the depth gauge setting is  
Chain oil  
!
too large!  
Chain oil must demonstrate good adhesion to the chain  
and also maintain its flow characteristics regardless of  
whether it is warm summer or cold winter weather.  
Adjustment of depth gauge setting  
As a chain saw manufacturer we have developed an  
optimal chain oil which, with its vegetable oil base, is also  
biodegradable. We recommend the use of our own oil for  
both maximum chain life and to minimise environmental  
damage. If our own chain oil is not available, standard  
chain oil is recommended.  
The cutting teeth should be newly sharpened before  
adjusting the depth gauge setting. We recommend that  
you adjust the depth gauge setting every third time you  
sharpen the cutting teeth. NOTE! This recommendation  
assumes that the length of the cutting teeth is not  
reduced excessively.  
Never use waste oil! Using waste oil can be dangerous  
to you and damage the machine and environment.  
You will need a flat file and a depth gauge tool. We  
recommend that you use our depth gauge tool to  
acheive the correct depth gauge setting and bevel for  
the depth gauge.  
IMPORTANT! When using vegetable based saw chain  
oil, dismantle and clean the groove in the bar and saw  
chain before long-term storage. Otherwise there is a  
risk of the saw chain oil oxidizing, which will result in the  
saw chain becoming stiff and the bar tip sprocket  
jamming.  
Place the depth gauge tool over the chain. Detailed  
information regarding the use of the depth gauge tool,  
will be found on the package for the depth gauge tool.  
Use the flat file to file off the tip of the depth gauge that  
protrudes through the depth gauge tool. The depth  
gauge setting is correct when you no longer feel  
resistance as you draw the file along the depth gauge  
tool.  
Filling with chain oil  
All our chain saws have an automatic chain lubrication  
system. On some models the oil flow is also adjustable.  
Tensioning the chain  
The saw chain oil tank and the fuel tank are designed so  
that the fuel runs out before the saw chain oil.  
WARNING! A slack chain may jump off  
However, this safety feature requires that you use the  
right sort of chain oil (if the oil is too thin it will run out  
before the fuel), and that you adjust the carburetor as  
recommended (a lean mixture may mean that the fuel  
lasts longer than the oil) and that you also use the  
recommended cutting equipment (a bar that is too long  
will use more chain oil).  
and cause serious or even fatal injury.  
!
!
WARNING! Always wear approved  
protective gloves. Even a non-moving  
chain can cause serious cuts to yourself  
or persons you bump into with an  
exposed chain.  
Checking chain lubrication  
Check the chain lubrication each time you refuel. See  
instructions under the heading Lubricating the bar tip  
sprocket.  
The more you use a chain the longer it becomes. It is  
therefore important to adjust the chain regularly to take up  
the slack.  
Aim the tip of the bar at a light coloured surface about  
20 cm (8 inches) away. After 1 minute running at 3/4  
throttle you should see a distinct line of oil on the light  
surface.  
Check the chain tension every time you refuel. NOTE! A  
new chain has a running-in period during which you should  
check the tension more frequently.  
If the chain lubrication is not working:  
Tension the chain as tightly as possible, but not so tight that  
you cannot pull it round freely by hand. (9)  
Check that the oil channel in the bar is not obstructed.  
Clean if necessary.  
Release the knob by folding it out. (10)  
Check that the groove in the edge of the bar is clean.  
Clean if necessary.  
Turn the knob anti clockwise to loosen the bar cover.  
(11)  
12 – English  
1153140-26 Rev. 2 2010-02-11  
 
GENERAL SAFETY PRECAUTIONS / ASSEMBLY  
Check that the bar tip sprocket turns freely and that the  
lubricating hole in the tip sprocket is not blocked. Clean  
and lubricate if necessary.  
Fitting the bar and chain  
WARNING! Switch off the engine before  
If the chain lubrication system is still not working after  
carrying out the above checks and associated measures  
you should contact your service agent.  
carrying out any checks or maintenance.  
The stop switch automatically returns to  
the start position. In order to prevent  
unintentional starting, the spark plug  
cap must be removed from the spark  
plug when assembling, checking and/or  
performing maintenance.  
!
Chain drive sprocket  
The clutch drum is fitted with a Spur sprocket (the chain  
sprocket is welded on the drum).  
Regularly check the degree of wear on the drive sprocket.  
Replace if wear is excessive. Replace the drive sprocket  
whenever you replace the chain.  
Always wear gloves, when working with  
the chain, in order to protect your hands  
from injury.  
Checking wear on cutting equipment  
Check that the chain brake is in disengaged position by  
moving the front hand guard towards the front handle.  
Check the chain daily for:  
Visible cracks in rivets and links.  
Whether the chain is stiff.  
Whether rivets and links are badly worn.  
Remove the knob and remove the clutch cover (chain  
brake). Take off the transportation ring (A). (17)  
Fit the bar over the bar bolts. Place the bar in its rearmost  
position. Place the chain over the drive sprocket locate it in  
the groove on the bar. Begin on the top edge of the bar.  
(18)  
Replace the saw chain if it exhibits any of the points above.  
We recommend you compare the existing chain with a new  
chain to decide how badly the existing chain is worn.  
When the length of the cutting teeth has worn down to only  
4 mm the chain must be replaced.  
Make sure that the edges of the cutting links are facing  
forward on the top edge of the bar.  
Bar  
Fit the clutch cover (chain brake) and locate the chain  
adjuster pin in the cut-out in the bar. Check that the drive  
links of the chain fit correctly on the drive sprocket and that  
the chain is in the groove on the bar. (19)  
Check regularly:  
Whether there are burrs on the edges of the bar.  
Remove these with a file if necessary. (15)  
Tension the chain by turning the wheel down (+).The chain  
should be tensioned until it does not sag from the  
underside of the bar. (12)  
Whether the groove in the bar has become badly worn.  
Replace the bar if necessary. (16)  
Whether the tip of the bar is uneven or badly worn. If a  
hollow forms on the underside of the bar tip this is due  
to running with a slack chain.  
The chain is correctly tensioned when it does not sag from  
the underside of the bar, but can still be turned easily by  
hand. Hold up the bar tip and tighten the bar knob by  
turning the knob clockwise. (13)  
To prolong the life of the bar you should turn it over daily.  
When fitting a new chain, the chain tension has to be  
checked frequently until the chain is run-in. Check the  
chain tension regularly. A correctly tensioned chain  
ensures good cutting performance and long life. (20)  
WARNING! Most chain saw accidents  
happen when the chain touches the  
operator.  
!
Wear personal protective equipment.  
See instructions under the heading  
Personal protective equipment.  
Fitting a spike bumper  
To t a spike bumper – contact your service agent.  
Do not tackle any job that you feel you  
are not adequately trained for. See  
instructions under the headings  
Personal protective equipment, How to  
avoid kickback, Cutting equipment and  
General working instructions.  
Avoid situations where there is a risk of  
kickback. See instructions under the  
heading Machines safety equipment.  
Use the recommended protective  
equipment and check its condition. See  
instructions under the heading General  
working instructions.  
Check that all the chain saw safety  
features are working. See instructions  
under the headings General working  
instructions and General safety  
precautions.  
English – 13  
1153140-26 Rev. 2 2010-02-11  
 
FUEL HANDLING  
Chain oil  
Fuel  
We recommend the use of special oil (chain oil) with  
Note! The machine is equipped with a two-stroke engine  
and must always be run using a mixture of petrol and two-  
stroke oil. It is important to accurately measure the amount  
of oil to be mixed to ensure that the correct mixture is  
obtained. When mixing small amounts of fuel, even small  
inaccuracies can drastically affect the ratio of the mixture.  
good adhesion characteristics.  
Never use waste oil. This results in damage to the oil  
pump, the bar and the chain.  
It is important to use oil of the right grade (suitable  
viscosity range) to suit the air temperature.  
In temperatures below 0°C (32°F) some oils become too  
viscous. This can overload the oil pump and result in  
damage to the oil pump components.  
WARNING! Always ensure there is  
adequate ventilation when handling fuel.  
!
Contact your service agent when choosing chain oil.  
Fuelling  
Petrol  
WARNING! Taking the following  
precautions, will lessen the risk of fire:  
Use good quality unleaded or leaded petrol.  
The lowest recommended octane grade is 90 (RON). If  
you run the engine on a lower octane grade than 90 so-  
called knocking can occur. This gives rise to a high  
engine temperature and increased bearing load, which  
can result in serious engine damage.  
!
Do not smoke and do not place any hot  
objects in the vicinity of fuel.  
Always stop the engine and let it cool for  
a few minutes before refuelling.  
When working with continuous high revs (e.g. limbing) a  
higher octane is recommended.  
When refuelling, open the fuel cap  
slowly so that any excess pressure is  
released gently.  
Running-in  
Avoid running at a too high speed for extended periods  
during the first 10 hours.  
Tighten the fuel cap carefully after  
refuelling.  
Two-stroke oil  
For best results and performance use HUSQVARNA  
two-stroke engine oil, which is specially formulated for  
our air-cooled two-stroke engines.  
Always move the machine away from the  
refuelling area before starting.  
Clean the area around the fuel cap.Clean the fuel and chain  
oil tanks regularly. The fuel filter must be replaced at least  
once a year.Contamination in the tanks causes malfunction.  
Make sure the fuel is well mixed by shaking the container  
before refuelling. The capacities of the chain oil tank and  
fuel tank are carefully matched.You should therefore always  
fill the chain oil tank and fuel tank at the same time.  
Never use two-stroke oil intended for water-cooled  
engines, sometimes referred to as outboard oil (rated  
TCW).  
Never use oil intended for four-stroke engines.  
A poor oil quality and/or too high oil/fuel ratio may  
jeopardise function and decrease the life time of  
catalytic converters.  
Mixing ratio  
WARNING! Fuel and fuel vapour are  
highly flammable.Take care when  
handling fuel and chain oil. Be aware of  
the risks of fire, explosion and those  
associated with inhalation.  
1:50 (2%) with HUSQVARNA two-stroke oil.  
!
1:33 (3%) with oils class JASO FB or ISO EGB formulated  
for air-cooled, two-stroke engines.  
Petrol, litre  
Two-stroke oil, litre  
Fuel safety  
2% (1:50)  
0,10  
3% (1:33)  
Never refuel the machine while the engine is running.  
Make sure there is plenty of ventilation when refuelling  
or mixing fuel (petrol and 2-stroke oil).  
5
0,15  
0,30  
0,45  
0,60  
10  
15  
20  
0,20  
0,30  
Move the machine at least 3 m from the refuelling point  
before starting it.  
0,40  
Never start the machine:  
Mixing  
1
If you have spilt fuel or chain oil on the machine. Wipe  
off the spillage and allow remaining fuel to evaporate.  
If you have spilt fuel on yourself or your clothes, change  
your clothes.Wash any part of your body that has come  
in contact with fuel. Use soap and water.  
Always mix the petrol and oil in a clean container  
2
3
intended for fuel.  
Always start by filling half the amount of the petrol to be  
used.Then add the entire amount of oil. Mix (shake) the  
fuel mixture. Add the remaining amount of petrol.  
Mix (shake) the fuel mixture thoroughly before filling the  
machine’s fuel tank.  
Do not mix more than one month’s supply of fuel at a  
time.  
If the machine is not used for some time the fuel tank  
should be emptied and cleaned.  
If the machine is leaking fuel. Check regularly for leaks  
from the fuel cap and fuel lines.  
WARNING! Never use a machine with  
visible damage to the spark plug guard  
and ignition cable. A risk of sparking  
arises, which can cause a fire.  
!
14 – English  
1153140-26 Rev. 2 2010-02-11  
 
FUEL HANDLING / STARTING AND STOPPING  
rear handle.  
Transport and storage  
3. Pull the starter handle with your right hand and pull out  
Always store the chain saw and fuel so that there is no  
risk of leakages or fumes coming into contact with  
sparks or naked flames from electrical equipment,  
electric motors, relays/switches, boilers and the like.  
Always store fuel in an approved container designed for  
that purpose.  
For longer periods of storage or for transport of the  
chain saw, the fuel and chain oil tanks should be  
emptied. Ask where you can dispose of waste fuel and  
chain oil at your local petrol station.  
the starter cord slowly until you feel a resistance (as the  
starter pawls engage) then pull firmly and rapidly. Never  
twist the starter cord around your hand. (26)  
CAUTION! Do not pull the starter cord all the way out and  
do not let go of the starter handle when the cord is fully  
extended. This can damage the machine.  
4. Push in the choke control to the ”1/2 choke” setting as  
soon as the engine fires which can be heard through a  
"puff" sound. (22)  
5. Keep on pulling the cord powerfully until the engine  
starts. (27) Allow engine to warm for thirty seconds, then  
squeeze throttle trigger to set normal idle.  
As the chain brake is still engaged the speed of the engine  
must be set to idling as soon as possible, this is achieved by  
quickly pressing the throttle trigger once. This prevents  
unnecessary wear to the clutch, clutch drum and brake band.  
Ensure the machine is cleaned and that a complete  
service is carried out before long-term storage.  
The bar guard must always be fitted to the cutting  
attachment when the machine is being transported or in  
storage, in order to prevent accident contact with the  
sharp chain. Even a non-moving chain can cause  
serious cuts to yourself or persons you bump into with  
an exposed chain.  
Note! Reactivate the chain brake by pushing the front hand  
guard back (marked ”PULL BACK TO RESET”) towards  
the front handle. (28) The chain saw is now ready for use.  
There is a simplified start reminder with illustrations to  
describe each step on the rear edge of the saw (A).  
Secure the machine during transport.  
Long-term storage  
Empty the fuel/oil tanks in a well ventilated area. Store the  
fuel in approved cans in a safe place. Fit the bar guard.  
Clean the machine. See instructions under the heading  
Maintenance schedule.  
Starting and stopping  
WARNING! Note the following before  
starting:  
Warm engine  
!
Use the same procedure as for starting a cold engine but  
without setting the choke control in the choke position. Set  
the throttle to the start position by pulling out the blue  
choke control to the choke position and then pushing it in  
again. (25)  
The chain brake must be engaged when  
the chain saw is started to reduce the  
chance of contact with the moving chain  
during starting.  
Never start a chain saw unless the bar,  
chain and all covers are fitted correctly.  
Otherwise the clutch can come loose  
and cause personal injuries.  
WARNING! Long term inhalation of the  
engine’s exhaust fumes, chain oil mist  
and dust from sawdust can represent a  
health risk.  
!
Place the machine on firm ground. Make  
sure you have a secure footing and that  
the chain cannot touch anything.  
Never start a chain saw unless the bar, chain and all  
covers are fitted correctly. See instructions under the  
heading Assembly.Without a bar and chain attached to  
the chain saw the clutch can come loose and cause  
serious injury. (29)  
The chain brake should be activated when starting. See  
instructions under the heading Start and stop. Do not  
drop start.This method is very dangerous because you  
may lose control of the saw. (30)  
Never start the machine indoors. Exhaust fumes can be  
dangerous if inhaled.  
Observe your surroundings and make sure that there is  
no risk of people or animals coming into contact with the  
cutting equipment.  
Keep people and animals well away from  
the working area.  
Cold engine  
Starting: The chain brake must be engaged when the  
chain saw is started. Activate the brake by moving the front  
hand guard forwards. (21)  
1. Air purge: Press the air purge repeatedly until fuel begins  
to fill the bulb. The bulb need not be completely filled. (24)  
2. Choke: Pull the blue choke/fast idle lever out to the full  
extent (to the FULL CHOKE position). When the choke/  
fast idle lever is pulled out to the full extent, the correct  
throttle setting is set automatically.(22)  
Always hold the saw with both hands. The right hand  
should be on the rear handle, and the left hand on the  
front handle. All people, whether right or left handed,  
should use this grip. Use a firm grip with thumbs and  
fingers encircling the chain saw handles. (31)  
Start throttle: The correct choke/start throttle setting is  
obtained by moving the control to the choke position. (23)  
Starting  
Stopping  
Grip the front handle with your left hand. Hold the chain  
Stop the engine by pressing down the stop button. (32)  
saw on the ground by placing your right foot through the  
English – 15  
1153140-26 Rev. 2 2010-02-11  
 
WORKING TECHNIQUES  
suddenly. Take great care when working on sloping  
ground.  
Before use: (33)  
1
Check that the chain brake works correctly and is not  
damaged.  
5
Take great care when cutting a tree that is in tension. A  
tree that is in tension may spring back to its normal  
position before or after being cut. If you position yourself  
incorrectly or make the cut in the wrong place the tree  
may hit you or the machine and cause you to lose control.  
Both situations can cause serious personal injury.  
Before moving your chain saw switch off the engine and  
lock the chain using the chain brake. Carry the chain  
saw with the bar and chain pointing backwards. Fit a  
guard to the bar before transporting the chain saw or  
carrying it for any distance.  
2
3
Check that the rear right hand guard is not damaged.  
Check that the throttle lockout works correctly and is not  
damaged.  
4
Check that the stop switch works correctly and is not  
damaged.  
6
7
5
6
Check that all handles are free from oil.  
Check that the anti vibration system works and is not  
damaged.  
7
8
9
Check that the muffler is securely attached and not  
damaged.  
Check that all parts of the chain saw are tightened  
correctly and that they are not damaged or missing.  
Check that the chain catcher is in place and not  
damaged.  
When you put the chain saw on the ground, lock the saw  
chain using the chain brake and ensure you have a  
constant view of the machine. Switch the engine off  
before leaving your chain saw for any length of time.  
WARNING! Sometimes chips get stuck in  
10Check the chain tension.  
the clutch cover causing the chain to  
jam. Always stop the engine before  
cleaning.  
!
General working instructions  
IMPORTANT!  
General rules  
This section describes basic safety rules for using a  
chain saw. This information is never a substitute for  
professional skills and experience. If you get into a  
situation where you feel unsafe, stop and seek expert  
advice.Contact your chain saw dealer, service agent or  
an experienced chain saw user. Do not attempt any  
task that you feel unsure of!  
1
If you understand what kickback is and how it happens  
then you can reduce or eliminate the element of  
surprise. By being prepared you reduce the risk.  
Kickback is usually quite mild, but it can sometimes be  
very sudden and violent.  
2
Always hold the chain saw firmly with your right hand on  
the rear handle and your left hand on the front handle.  
Wrap your fingers and thumbs around the handles.You  
should use this grip whether you are right-handed or  
left-handed. This grip minimises the effect of kickback  
and lets you keep the chain saw under control. Do not  
let go of the handles!  
Before using a chain saw you must understand the  
effects of kickback and how to avoid them. See  
instructions under the heading How to avoid kickback.  
Before using a chain saw you must understand the  
difference between cutting with the top and bottom  
edges of the bar. See instructions under the headings  
How to avoid kickback and Machine’s safety  
equipment.  
3
Most kickback accidents happen during limbing. Make  
sure you are standing firmly and that there is nothing in  
the way that might make you trip or lose your balance.  
Lack of concentration can lead to kickback if the  
kickback zone of the bar accidentally touches a branch,  
nearby tree or some other object.  
Wear personal protective equipment. See instructions  
under the heading Personal protective equipment.  
Have control over the workpiece. If the pieces you  
intend to cut are small and light, they can jam in the saw  
chain and be thrown towards you.This is not necessarily  
dangerous in itself, but you may be surprised and lose  
control of the saw. Never saw stacked logs or branches  
without first separating them. Only saw one log or one  
piece at a time. Remove the cut pieces to keep your  
working area safe.  
Never use the chain saw above shoulder height and  
try not to cut with the tip of the bar. Never use the  
chain saw one-handed! (34)  
You must have a steady stance in order to have full  
control over the chain saw. Never work standing on a  
ladder, in a tree or where you do not have firm ground to  
stand on. (35)  
Always use a fast cutting speed, i.e. full throttle.  
Take great care when you cut with the top edge of the  
bar, i.e. when cutting from the underside of the object.  
This is known as cutting on the push stroke. The chain  
tries to push the chain saw back towards the user. If the  
saw chain is jamming, the saw may be pushed back at  
you.  
Basic safety rules  
1
Look around you:  
To ensure that people, animals or other things cannot  
affect your control of the machine.  
To make sure that none of the above might come within  
reach of your saw or be injured by falling trees.  
CAUTION! Follow the instructions above, but do not use a  
chain saw in a situation where you cannot call for help in  
case of an accident.  
4
5
2
Do not use the machine in bad weather, such as dense  
fog, heavy rain, strong wind, intense cold, etc. Working  
in bad weather is tiring and often brings added risks,  
such as icy ground, unpredictable felling direction, etc.  
Take great care when removing small branches and  
avoid cutting bushes (i.e. cutting many small branches  
at the same time). Small branches can be grabbed by  
the chain and thrown back at you, causing serious  
injury.  
3
6
7
4
Make sure you can move and stand safely. Check the  
area around you for possible obstacles (roots, rocks,  
branches, ditches, etc.) in case you have to move  
16 – English  
1153140-26 Rev. 2 2010-02-11  
 
WORKING TECHNIQUES  
8
Unless the user resists this pushing force there is a risk  
The following instructions describe how to handle the  
commonest situations you are likely to encounter when  
using a chain saw.  
that the chain saw will move so far backwards that only  
the kickback zone of the bar is in contact with the tree,  
which will lead to a kickback. (36)  
Limbing  
Cutting with the bottom edge of the bar, i.e. from the top  
of the object downwards, is known as cutting on the pull  
stroke. In this case the chain saw pulls itself towards the  
tree and the front edge of the chain saw body rests  
naturally on the trunk when cutting. Cutting on the pull  
stroke gives the operator better control over the chain  
saw and the position of the kickback zone.  
Follow the instructions on sharpening and maintaining  
your bar and chain.When you replace the bar and chain  
use only combinations that are recommended by us.  
See instructions under the headings Cutting equipment  
and Technical data.  
When limbing thick branches you should use the same  
approach as for cutting.  
Cut difficult branches piece by piece.  
Cutting  
WARNING! Never attempt to cut logs  
while they are in a pile or when a couple  
of logs are lying together. Such  
procedures drastically increase the risk  
of kickback which can result in a serious  
or fatal injury.  
9
!
Basic cutting technique  
If you have a pile of logs, each log you attempt to cut should  
be removed from the pile, placed on a saw horse or  
runners and cut individually.  
WARNING! Never use a chain saw by  
holding it with one hand. A chain saw is  
not safely controlled with one hand.  
Always have a secure, firm grip around  
the handles with both hands.  
Remove the cut pieces from the cutting area. By leaving  
them in the cutting area, you increase the risk for  
inadvertently getting a kickback, as well as increasing the  
risk of losing your balance while working.  
!
The log is lying on the ground. There is little risk of the  
chain jamming or the object splitting. However there is a  
risk that the chain will touch the ground when you finish the  
cut.  
Cut all the way through the log from above.Avoid letting the  
chain touch the ground as you finish the cut. Maintain full  
throttle but be prepared for what might happen. (37)  
If it is possible (can you turn the log?) stop cutting about 2/  
3 of the way through the log.  
General  
Always use full throttle when cutting!  
Reduce the speed to idle after every cut (running the  
engine for too long at full throttle without any load, i.e.  
without any resistance from the chain during cutting,  
can lead to serious engine damage).  
Cutting from above = Cutting on the pull stroke.  
Cutting from below = Cutting on the push stroke.  
Turn the log and finish the cut from the opposite side.  
The log is supported at one end. There is a high risk that  
it will split.  
Cutting on the push stroke increases the risk of kickback.  
See instructions under the heading How to avoid kickback.  
Terms  
Start by cutting from below (about 1/3 of the way through).  
Finish by cutting from above so that the two cuts meet.  
The log is supported at both ends. There is a high risk  
that the chain will jam.  
Start by cutting from above (about 1/3 of the way through).  
Finish by cutting from below so that the two cuts meet.  
Cutting = General term for cutting through wood.  
Limbing = Cutting branches off a felled tree.  
Splitting = When the object you are cutting breaks off  
before the cut is complete.  
There are five important factors you should consider  
before making a cut:  
Tree felling technique  
1
2
3
Make sure the cutting equipment will not jam in the cut.  
Make sure the object you are cutting will not split.  
Make sure the chain will not strike the ground or any  
other object during or after cutting.  
Is there a risk of kickback?  
Do the conditions and surrounding terrain affect how  
safely you can stand and move about?  
IMPORTANT! It takes a lot of experience to fell a tree.  
Inexperienced users of chain saws should not fell trees.  
Do not attempt any task that you feel unsure of!  
4
5
Safe distance  
The safe distance between a tree that is to be felled and  
anyone else working nearby is at least 2 1/2 tree lengths.  
Make sure that no-one else is in this ”risk zone” before or  
during felling. (38)  
Two factors decide whether the chain will jam or the object  
that you are cutting will split: the first is how the object is  
supported before and after cutting, and the second is  
whether it is in tension.  
In most cases you can avoid these problems by cutting in  
two stages; from the top and from the bottom.You need to  
support the object so that it will not trap the chain or split  
during cutting.  
Felling direction  
The aim is to fell the tree in a position where you can limb  
and cross-cut the log as easily as possible.You want it to  
fall in a location where you can stand and move about  
safely.  
IMPORTANT! If the chain jams in the cut: stop the  
engine! Don’t try to pull the chain saw free. If you do  
you may be injured by the chain when the chain saw  
suddenly breaks free. Use a lever to open up the cut  
and free the chain saw.  
Once you have decided which way you want the tree to fall  
you must judge which way the tree would fall naturally.  
Several factors affect this:  
Lean of the tree  
Bend  
English – 17  
1153140-26 Rev. 2 2010-02-11  
 
WORKING TECHNIQUES  
Wind direction  
Arrangement of branches  
Weight of snow  
Obstacles within the reach of the tree: for example,  
other trees, power lines, roads and buildings.  
Look for signs of damage and rot in the stem, this makes  
it more probably that the tree will break and start to fall  
before you expect it to.  
Make the felling cut about 3-5 cm (1.5-2 inches) above the  
bottom directional cut.  
Set the spike bumper (if one is fitted) just behind the felling  
hinge. Use full throttle and advance the chain/bar slowly  
into the tree. Make sure the tree does not start to move in  
the opposite direction to your intended felling direction.  
Drive a wedge or breaking bar into the cut as soon as it is  
deep enough. (42)  
You may find you are forced to let the tree fall in its natural  
direction because it is impossible or dangerous to try to  
make it fall in the direction you first intended.  
Another very important factor, which does not affect the  
felling direction but does affect your safety, is to make sure  
the tree has no damaged or dead branches that might  
break off and hit you during felling.  
The main point to avoid is letting the tree fall onto another  
tree. It is very dangerous to remove a trapped tree and  
there is high accident risk. See instructions under the  
heading Freeing a tree that has fallen badly.  
Finish the felling cut parallel with the directional cut line so  
that the distance between them is at least 1/10 of the trunk  
diameter.The uncut section of the trunk is called the felling  
hinge.  
The felling hinge controls the direction that the tree falls in.  
(43)  
All control over the felling direction is lost if the felling hinge  
is too narrow or non-existent, or if the directional cuts and  
felling cut are badly placed.  
When the felling cut and directional cut are complete the  
tree should start to fall by itself or with the aid of a felling  
wedge or breaking bar.  
IMPORTANT! During critical felling operations, hearing  
protectors should be lifted immediately when sawing is  
completed so that sounds and warning signals can be  
heard.  
We recommend that you use a bar that is longer than the  
diameter of the tree, so that you can make the felling cut  
and directional cuts with single cutting strokes. See  
instructions under the heading Technical data section to  
find out which lengths of bar are recommended for your  
saw.  
Clearing the trunk and preparing your retreat  
Delimb the stem up to shoulder height. It is safer to work  
from the top down and to have the tree between you and  
the saw.  
Remove any undergrowth from the base of the tree and  
check the area for obstacles (stones, branches, holes, etc.)  
so that you have a clear path of retreat when the tree starts  
to fall.Your path of retreat should be roughly 135 degrees  
away from the intended felling direction. (39)  
There are methods for felling trees with a diameter larger  
than the bar length. However these methods involve a  
much greater risk that the kickback zone of the bar will  
come into contact with the tree.  
Freeing a tree that has fallen badly  
Freeing a ”trapped tree”  
1
2
3
Danger zone  
Retreat path  
Felling direction  
It is very dangerous to remove a trapped tree and there is  
high accident risk.  
Felling  
Never try to fell the tree that is trapped.  
Never work in the risk zone of the hanging trapped tree.  
The safest method is to use a winch.  
WARNING! Unless you have special  
training we advise you not to fell trees  
with a diameter larger than the bar  
length of your saw!  
!
Tractor-mounted  
Portable  
Felling is done using three cuts. First you make the  
directional cuts, which consist of the top cut and the bottom  
cut, then you finish with the felling cut. By placing these  
cuts correctly you can control the felling direction very  
accurately.  
Cutting trees and branches that are in tension  
Preparations: Work out which side is in tension and where  
the point of maximum tension is (i.e. where it would break  
if it was bent even more).  
Directional cuts  
Decide which is the safest way to release the tension and  
whether you are able to do it safely. In complicated  
situations the only safe method is to put aside your chain  
saw and use a winch.  
To make the directional cuts you begin with the top cut.  
Stand to the right of the tree and cut on the pull stroke.  
Next make the bottom cut so that it finishes exactly at the  
end of the top cut. (40)  
The directional cuts should run 1/4 of the diameter through  
the trunk and the angle between the top cut and bottom cut  
should be 45°.  
The line where the two cuts meet is called the directional  
cut line.This line should be perfectly horizontal and at right  
angles (90°) to the chosen felling direction. (41)  
Felling cut  
General advice:  
Position yourself so that you will be clear of the tree or  
branch when the tension is released.  
Make one or more cuts at or near the point of maximum  
tension. Make as many cuts of sufficient depth as  
necessary to reduce the tension and make the tree or  
branch break at the point of maximum tension.  
Never cut straight through a tree or branch that is in  
tension!  
The felling cut is made from the opposite side of the tree  
and it must be perfectly horizontal. Stand on the left side of  
the tree and cut on the pull stroke.  
18 – English  
1153140-26 Rev. 2 2010-02-11  
 
WORKING TECHNIQUES / MAINTENANCE  
If you must cut across tree/limb, make two to three cuts,  
Carburettor adjustment  
Your Husqvarna product has been designed and  
manufactured to specifications that reduce harmful  
emissions.  
one inch apart, one to two inches deep.  
Continue to cut deeper until tree/limb bends and tension is  
released.  
Cut tree/limb from outside the bend, after tension has been  
released.  
Function  
The carburettor governs the engine’s speed via the  
throttle control. Air and fuel are mixed in the carburettor.  
The air/fuel mixture is adjustable. Correct adjustment is  
essential to get the best performance from the machine.  
How to avoid kickback  
WARNING! Kickback can happen very  
suddenly and violently; kicking the chain  
saw, bar and chain back at the user. If  
!
The T-screw regulates the throttle setting at idle speed.  
If the T-screw is turned clockwise this gives a higher idle  
speed; turning it anti-clockwise gives a lower idle speed.  
this happens when the chain is moving it  
can cause very serious, even fatal  
injuries. It is vital you understand what  
causes kickback and that you can avoid  
it by taking care and using the right  
working technique.  
Basic settings and running in  
The basic carburettor settings are adjusted during testing  
at the factory. Fine adjustment should be carried out by a  
skilled technician.  
What is kickback?  
Rec. idle speed: See the Technical data section.  
The word kickback is used to describe the sudden reaction  
that causes the chain saw and bar to jump off an object  
when the upper quadrant of the tip of the bar, known as the  
kickback zone, touches an object. (44)  
Kickback always occurs in the cutting plane of the bar.  
Normally the chain saw and bar are thrown backwards and  
upwards towards the user. However, the chain saw may  
move in a different direction depending on the way it was  
being used when the kickback zone of the bar touched the  
object.  
Fine adjustment of the idle speed T  
Adjust the idle speed with the T-screw. If it is necessary to  
re-adjust, turn the T-screw clockwise while the engine is  
running, until the chain starts to rotate. Then turn anti-  
clockwise until the chain stops. When the idle speed is  
correctly adjusted the engine should run smoothly in every  
position and the engine speed should be safely below the  
speed at which the chain starts to rotate.  
WARNING! Contact your servicing  
Kickback only occurs if the kickback zone of the bar  
touches an object. (45)  
dealer, if the idle speed setting cannot be  
adjusted so that the chain stops. Do not  
use the chain saw until it has been  
properly adjusted or repaired.  
!
Limbing  
WARNING! A majority of kickback  
accidents occur during limbing. Do not  
use the kickback zone of the guide bar.  
Checking, maintaining and  
servicing chain saw safety  
equipment  
!
Be extremely cautious and avoid  
contacting the log, other limbs or  
objects with the nose of the guide bar.  
Be extremely cautious of limbs under  
tension.They can spring back toward  
you and cause loss of control resulting  
in injury.  
Note! All service and repair work on the machine  
demands special training. This is especially true of the  
machine’s safety equipment. If your machine fails any  
of the checks described below we recommend that you  
take it to your service workshop. Any maintenance  
other than that described in this manual must be  
carried out by your servicing dealer (retailer).  
Make sure that you can stand and move about safely.Work  
on the left side of the trunk. Work as close as possible to  
the chain saw for maximum control. If possible, let the  
weight of the chain saw rest on the trunk.  
Switch off the engine and take off the ignition cable  
before repairs or maintenance  
Keep the trunk between you and the chain saw as you  
move along the trunk.  
Chain brake and front hand guard  
Cutting the trunk into logs  
Checking brake band wear  
See instructions under the heading Basic cutting  
technique.  
Brush off any wood dust, resin and dirt from the chain  
brake and clutch drum. Dirt and wear can impair operation  
of the brake. (46)  
General  
Regularly check that the brake band is at least 0.6 mm  
thick at its thinnest point.  
The user must only carry out the maintenance and service  
work described in this Operator’s Manual. More extensive  
work must be carried out by an authorised service  
workshop.  
Checking the front hand guard  
Make sure the front hand guard is not damaged and that  
there are no visible defects such as cracks.  
English – 19  
1153140-26 Rev. 2 2010-02-11  
 
MAINTENANCE  
Move the front hand guard forwards and back to make sure  
it moves freely and that it is securely anchored to the clutch  
cover. (47)  
Note: The spark arrestor screen (A) on this machine is  
serviceable. (50) The mesh must be replaced if it is  
damaged. If the mesh is blocked the machine will overheat  
and this will cause damage to the cylinder and piston.  
Never use a machine with a muffler that is in poor  
condition. Never use a muffler if the spark arrestor  
mesh is missing or defective.  
For normal homeowner use, the muffler and spark  
arresting screen will not require replacement. After 75  
hours of use, we recommend that your muffler be replaced  
by your authorized Husqvarna service dealer.  
Checking the inertia brake release  
Place the chain saw, with the engine switched off, on a  
stump or other stable surface. Release the front handle  
and let the saw fall by its own weight, rotating around the  
rear handle towards the stump.  
When the bar hits the stump the brake should be  
applied. (48)  
Air filter  
Checking the right-hand brake trigger (240eTrioBrake)  
The air filter must be regularly cleaned to remove dust and  
dirt in order to avoid:  
Check that the right hand guard is not damaged and that  
there are no visible defects, such as cracks.  
Carburettor malfunctions  
Starting problems  
Loss of engine power  
Unnecessary wear to engine parts.  
Excessive fuel consumption.  
Remove the air filter (3) after taking off the cylinder  
cover, screw (1) and filter cover (2).When refitting make  
sure that the air filter seals tightly against the filter  
holder. Clean the filter by brushing or shaking it. (51)  
Push the trigger up and forwards to check that it moves  
freely and is securely hinged to the clutch cover.  
Never carry or hang the saw by the trigger!This could  
damage the mechanism and disable the chain brake.  
(49)  
Checking the brake trigger  
Place the chain saw on firm ground and start it. Make sure  
the chain does not touch the ground or any other object.  
See the instructions under the heading Start and stop.  
Grasp the chain saw firmly, wrapping your fingers and  
thumbs around the handles.  
Apply full throttle and activate the chain brake by tilting your  
left wrist forward onto the front hand guard. Do not let go of  
the front handle. The chain should stop immediately.  
The filter can be cleaned more thoroughly by washing it in  
water and detergent.  
An air filter that has been in use for a long time cannot be  
cleaned completely. The filter must therefore be replaced  
with a new one at regular intervals. A damaged air filter  
must always be replaced.  
A HUSQVARNA chain saw can be equipped with different  
types of air filter according to working conditions, weather,  
season, etc. Contact your dealer for advice.  
Throttle lockout  
Make sure the throttle control is locked at the idle setting  
when the throttle lockout is released.  
Press the throttle lockout and make sure it returns to its  
original position when you release it.  
Check that the throttle control and throttle lockout move  
freely and that the return springs work properly.  
Start the chain saw and apply full throttle. Release the  
throttle control and check that the chain stops and  
remains stationary. If the chain rotates when the throttle  
control is in the idle position you should check the  
carburettor idle adjustment.  
Spark plug  
The spark plug condition is influenced by:  
Incorrect carburettor adjustment.  
An incorrect fuel mixture (too much or incorrect type of oil).  
A dirty air filter.  
These factors cause deposits on the spark plug electrodes,  
which may result in operating problems and starting  
difficulties.  
If the machine is low on power, difficult to start or runs  
poorly at idle speed: always check the spark plug first  
before taking any further action. If the spark plug is dirty,  
clean it and check that the electrode gap is 0.5 mm. The  
spark plug should be replaced after about a month in  
operation or earlier if necessary. (52)  
Chain catcher  
Check that the chain catcher is not damaged and is firmly  
attached to the body of the chain saw.  
Note! Always use the recommended spark plug type! Use  
of the wrong spark plug can damage the piston/cylinder.  
Check that the spark plug is fitted with a suppressor.  
Right hand guard  
Check that the right hand guard is not damaged and that  
there are no visible defects, such as cracks.  
Vibration damping system  
Regularly check the vibration damping units for cracks or  
deformation.  
Make sure the vibration damping units are securely  
attached to the engine unit and handle unit.  
Stop switch  
Start the engine and make sure the engine stops when you  
move the stop switch to the stop setting.  
Muffler  
Never use a machine that has a faulty muffler. Regularly  
check that the muffler is securely attached to the machine.  
20 – English  
1153140-26 Rev. 2 2010-02-11  
 
MAINTENANCE  
Maintenance schedule  
The following is a list of the maintenance that must be performed on the machine. Most of the items are described in the  
Maintenance section.  
Daily maintenance (Every 5-10 h)  
Weekly maintenance (Every 10-25 h) Monthly maintenance (Every 25-40 h)  
Check the brake band on the chain  
Check the starter, the starter cord and brake for wear. Replace when less  
Clean the outside of the machine.  
the recoil spring.  
than 0.6 mm (0,024 inch) remains at  
the most worn point.  
Check that the components of the  
throttle control work safely. (Throttle  
lockout and throttle control.)  
Check that the vibration damping  
elements are not damaged.  
Check the clutch centre, clutch drum  
and clutch spring for wear.  
Clean the chain brake and check that it  
operates safely. Make sure that the  
chain catcher is undamaged, and  
replace it if necessary.  
File off any burrs from the edges of the Clean the spark plug. Check that the  
bar.  
electrode gap is 0.5 mm.  
The bar should be turned daily for  
more even wear. Check the lubrication  
hole in the bar, to be sure it is not  
clogged. Clean the bar groove. If the  
bar has a sprocket tip, this should be  
lubricated.  
Clean the carburettor compartment.  
Clean the outside of the carburettor.  
Check that the bar and chain are  
getting sufficient oil.  
Clean the air filter. Replace if  
necessary.  
Check the fuel filter and the fuel hose.  
Replace if necessary.  
Check the saw chain with regard to  
visible cracks in the rivets and links,  
whether the saw chain is stiff or  
whether the rivets and links are  
abnormally worn. Replace if  
necessary.  
Empty the fuel tank and clean the  
inside.  
Sharpen the chain and check its  
tension and condition. Check the drive  
sprocket for excessive wear and  
replace if necessary.  
Empty the oil tank and clean the inside.  
Check all cables and connections.  
Clean the starter units air intake.  
Check that nuts and screws are tight.  
Check that the stop switch works  
correctly.  
Check that there are no fuel leaks from  
the engine, tank or fuel lines.  
English – 21  
1153140-26 Rev. 2 2010-02-11  
 
TECHNICAL DATA  
Technical data  
235e  
236e  
240e  
240e TrioBrake  
Engine  
3
Cylinder displacement, cm  
Stroke, mm  
34  
34  
38  
38  
32  
32  
32  
32  
Idle speed, rpm  
Power, kW (Europe)  
Power, kW (Australia)  
Ignition system  
3000  
3000  
3000  
3000  
1,3 / 9000  
1,3 / 9000  
1,4 / 9000  
1,4 / 9000  
1,5 / 9000  
1,5 / 9000  
1,5 / 9000  
1,5 / 9000  
Champion RCJ Champion RCJ Champion RCJ  
Champion RCJ  
7Y  
Spark plug  
7Y  
7Y  
7Y  
Electrode gap, mm  
0,5  
0,5  
0,5  
0,5  
Fuel and lubrication system  
Fuel tank capacity, litre  
Oil pump capacity at 8,500 rpm, ml/min  
Oil tank capacity, litre  
Type of oil pump  
0,3  
0,3  
0,3  
0,25  
7
7
7
7
0,20  
0,20  
0,20  
0,20  
Automatic  
Automatic  
Automatic  
Automatic  
Weight  
Chain saw without bar or chain, empty tanks, kg 4,6  
4,6  
4,7  
5,0  
Noise emissions (see note 1)  
Sound power level, measured dB(A)  
112  
118  
112  
118  
113  
118  
113  
118  
Sound power level, guaranteed L  
dB(A)  
WA  
Sound levels (see note 2)  
Equivalent sound pressure level at the  
operator’s ear, dB(A)  
98,6  
78  
98,6  
78  
100,7  
79  
100,7  
79  
Equivalent sound pressure level at the  
operator’s ear, dB(A) (Australia)  
Equivalent vibration levels, a  
(see note  
hveq  
3)  
2
Front handle, m/s  
2,4  
3,9  
2,4  
3,9  
2,1  
2,7  
2,1  
2,7  
2
Rear handle, m/s  
Chain/bar  
Standard bar length, inch/cm  
16/40  
16/40  
16/40  
16/40  
Recommended bar lengths, inch/cm  
Usable cutting length, inch/cm  
Pitch, inch/mm  
12-18 / 31-46  
11-17 / 29-43  
0,325/8,3  
3/8 / 9,52  
0,050/1,3  
7
12-18 / 31-46  
11-17 / 29-43  
0,325/8,3  
3/8 / 9,52  
0,050/1,3  
7
12-18 / 31-46  
11-17 / 29-43  
0,325/8,3  
3/8 / 9,52  
0,050/1,3  
7
12-18 / 31-46  
11-17 / 29-43  
0,325/8,3  
3/8 / 9,52  
0,050/1,3  
7
Thickness of drive links, inch/mm  
Type of drive sprocket/number of teeth  
Chain speed at max. power, m/sec  
20,0  
20,0  
20,0  
20,0  
Note 1: Noise emissions in the environment measured as sound power (L ) in conformity with EC directive 2000/14/EC.  
WA  
Note 2: Equivalent sound pressure level, according to ISO 22868, is calculated as the time-weighted energy total for  
different sound pressure levels under various working conditions. Typical statistical dispersion for equivalent sound  
pressure level is a standard deviation of 1 dB (A).  
Note 3: Equivalent vibration level, according to ISO 22867, is calculated as the time-weighted energy total for vibration  
levels under various working conditions. Reported data for equivalent vibration level has a typical statistical dispersion  
2
(standard deviation) of 1 m/s .  
22 – English  
1153140-26 Rev. 2 2010-02-11  
 
TECHNICAL DATA  
Bar and chain combinations  
The following cutting attachments are approved for the models Husqvarna 235e, 236e, 240e and 240e TrioBrake.  
Bar  
Chain  
Length, drive  
links (no.)  
Length, inch  
Pitch, inch  
Gauge, mm  
Max. nose radius Type  
13  
15  
16  
18  
14  
16  
0,325  
0,325  
0,325  
0,325  
3/8  
56  
64  
66  
72  
52  
56  
10T  
7T  
Husqvarna H30  
1,3  
Husqvarna H36  
3/8  
EC-declaration of conformity  
(Applies to Europe only)  
Husqvarna AB, SE-561 82 Huskvarna, Sweden, tel: +46-36-146500, declares under sole responsibility that the chain  
saws Husqvarna 235e, 236e, 240e and 240e TrioBrake from 2009’s serial numbers and onwards (the year is clearly  
stated in plain text on the type plate with subsequent serial number), are in conformity with the requirements of the  
COUNCILS DIRECTIVES:  
- of May 17, 2006 "relating to machinery" 2006/42/EC  
- of December 15, 2004 ”relating to electromagnetic compatibility” 2004/108/EC.  
- of May 8, 2000 ”relating to the noise emissions in the environment” 2000/14/EC.  
For information relating to noise emissions, see the chapter Technical data. The following standards have been applied:  
EN ISO 12100-2:2003, CISPR 12:2001, EN ISO 11681-1:2004  
Notified body: 0404, SMP Svensk Maskinprovning AB, Fyrisborgsgatan 3, SE-754 50 Uppsala, Sweden, has carried out  
EC type examination in accordance with the machinery directive’s (2006/42/EC) article 12, point 3b.The certificates for EC  
type examination in accordance with annex IX, have the numbers: 0404/09/2047 - 235e, 236e, 240e 0404/09/2120 - 240e  
Triobrake.  
In addition, SMP, Svensk Maskinprovning AB, Fyrisborgsgatan 3, SE-754 50 Uppsala, Sweden, has certified conformity  
with annex V of the Council’s Directive of May 8, 2000 ”relating to the noise emissions in the environment” 2000/14/EC.  
The certificates have the numbers: 26/161/001 - 236e, 240e, 240e TrioBrake 26/161/002 - 235e.  
The supplied chain saw conforms to the example that underwent EC type examination.  
Huskvarna December 29, 2009  
Ronnie E. Goldman, Director of Engineering, Handheld Consumer Products. (Authorized representative for Husqvarna AB  
and responsible for technical documentation).  
English – 23  
1153140-26 Rev. 2 2010-02-11  
 

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