Karcher Pressure Washer K 2300 G User Manual

Model K 2300 G  
Part No. 1.194-110.0  
High Pressure Washer Operator Manual  
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1  
Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2  
Assembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . .3  
Operating Instructions . . . . . . . . . . . . . . . . . . . . . . . . .4  
Using the Accessories . . . . . . . . . . . . . . . . . . . . . . . . .5  
Working with Detergents . . . . . . . . . . . . . . . . . . . . . . .6  
Shut Down and Clean-Up . . . . . . . . . . . . . . . . . . . . . .7  
Taking a Break . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7  
Winterizing and Long-Term Storage . . . . . . . . . . . . . .7  
Cleaning Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-9  
Optional Cleaning Accessories . . . . . . . . . . . . . . . . . .9  
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . .10-11  
Specifications  
Operating pressure 2300 PSI  
Water volume  
Engine  
2.5 GPM  
5.0 HP Honda  
( 800-537-4129  
 
IMPORTANT PRECAUTIONS – Read First!  
Water Supply  
(Cold Water Only)  
• Water hose must be at least 3/4 inch in  
diameter.  
• Flow rate of water supply must not fall  
below 2.5 GPM (gallons per minute).  
• Flow rate can be determined by running  
the water for one minute into an empty  
5-gallon container.  
Safety Warnings  
When using this product basic  
precautions should always be followed:  
• Read all the instructions before using the  
product.  
• FIRE HAZARD! Do not add fuel with the  
engine running. Do not operate if fuel has  
been spilled. Instead move the machine to  
a different location and avoid creating  
sparks.  
• The water supply temperature must not  
exceed 104°F/40°C.  
• Operate and fuel machine in a well venti-  
lated area, free of devices featuring an  
open pilot or flame such as boilers, water  
heaters, etc.  
• Never use the pressure washer to draw in  
water contaminated with solvents, e.g.  
paint thinners, gasoline, oil, etc.  
• Always prevent debris from being drawn  
into the unit by using a clean water  
source.  
• High pressure jets can be dangerous  
if subject to misuse. The jet must not  
be directed at persons, animals, electrical  
devices, or the machine itself.  
We strongly recommend that this high pres-  
sure washer not be left running for periods of  
5 minutes or longer without the trigger gun  
being engaged.  
• Wear safety goggles.  
• Do not use acids, alkaline, solvents, or  
any other flammable material in this prod-  
uct. These products can cause physical  
injuries to the operator and irreversible  
damage to the machine. If you have ques-  
tions regarding a chemical product to be  
used with this machine, please call  
Kärcher Customer Support at  
This Kärcher high pressure washer is  
equipped with thermal protection to extend  
the life of your pressure washer. The thermal  
protector will automatically activate at a pre-  
determined high temperature ejecting hot  
water before resetting. This ensures that the  
pump does not become damaged.  
800-537-4129  
• The machine has hot surfaces which can  
cause burns. Operate the unit in a safe  
environment and away from children.  
• Do not allow the high pressure hose to  
come into contact with the muffler guard.  
• Do not leave the machine running  
unattended.  
Caution  
Follow the maintenance instructions  
specified in the manual.  
• Learn how to stop the machine and  
release pressure quickly. Be thoroughly  
familiar with the controls.  
This machine has been designed for  
use with cleaning detergent supplied  
or recommended by the manufacturer.  
The use of other cleaning detergents  
may affect the operation of the  
• Stay alert — watch what you are doing.  
• Do not operate the product when fatigued  
or under the influence of alcohol or drugs.  
machine and void the warranty.  
• Do not stand on unstable surfaces. Stand  
with both feet balanced at all times.  
• The Gun Safety Lock PREVENTS the  
trigger from accidentally being engaged.  
This safety feature DOES NOT lock trigger  
in the on position.  
 
ASSEMBLY INSTRUCTIONS  
Required tools: adjustable pliers.  
Step2 Attach the handle  
to the frame of the pressure  
washer.  
Step3 Align holes, insert  
bolt, and tighten with knob.  
Step1 Attach the front  
guard to the frame. Align  
holes, insert bolt and tighten  
with lock nut.  
Step4 Attach the triple jet nozzle to the  
spray wand.  
Step5 Attach the spray wand to the trig-  
ger gun.  
Step7 Fill gas tank with  
unleaded gasoline.  
Do not use leaded gasoline.  
Step6 Check oil level. Oil  
level should be to the oil filler  
neck. Be sure the machine is  
level when checking the oil  
level. (Refer to the engine’s  
operating manual for seasonal  
grades.)  
Step8 Attach high pres-  
sure hose to trigger gun.  
Important! Do not run the engine with a high or low oil level as this can cause engine dam-  
age. If you have further questions regarding the engine, please refer to the engine’s oper-  
ating manual included with the unit.  
 
OPERATING INSTRUCTIONS  
Step1 Connect the high pressure hose to  
the unit’s high pressure outlet.  
Step2 Connect garden hose to unit’s  
water inlet.  
Step4 Trigger the gun to eliminate  
trapped air, wait for a steady flow of water to  
emerge from the spray nozzle.  
Step3 Connect garden hose to the cold  
water source and turn water on completely.  
Step5 Slide the throttle control to the fast  
position. Move the choke lever to the  
“CHOKE” position (only if the engine is cool).  
After starting, move the choke to “RUN”.  
Step6 Pull the starter handle. If the  
engine fails to start after 3 pulls squeeze the  
trigger gun to release pressure, and repeat  
step 6.  
 
USING THE ACCESSORIES  
The triple jet nozzle must be positioned to one of the two settings for high pressure cleaning  
by turning the the nozzle tip. The pencil jet spray (0º) should be used for stubborn dirt. The  
High pressure flat spray (25º) should be used for cleaning over a large surface area. The third  
setting on the triple jet nozzle is used for the application of detergents.  
High pressure  
pencil jet cleaning.  
High pressure  
fan spray cleaning.  
Low Pressure  
Detergent application  
“CHEM” position.  
WARNING TO AVOID  
SERIOUS INJURY, NEVER  
POINT SPRAY NOZZLE AT  
YOURSELF, OTHER PERSONS  
OR ANIMALS  
 
WORKING WITH DETERGENT  
Detergents can only be applied in the “CHEM” setting.  
Step2 Fill a container with Kärcher  
Step1 Insert the detergent tray to the  
mounting bracket and secure it to the frame  
by fastening the screw.  
detergent. Place the filter end of detergent  
suction tube into the container. Be sure to  
adjust the filter by turning it to the desired  
detergent intake.  
For best results see Cleaning Tips  
on pages 8 & 9 for specific  
information on how to clean  
different surfaces.  
Always Use Karcher  
Detergents for Best Results.  
6
Karcher biodegradable detergents are spe-  
cially formulated to protect the environment  
and your pressure washer. Special formula  
won’t clog the suction tube filter and will pro-  
tect the internal parts of the pressure washer  
for a longer life. For Karcher Detergents,  
check your retailer or call:  
Step3 To apply detergents the triple jet  
nozzle must be set to the “CHEM” position.  
1-800-537-4129  
The following Karcher detergents are  
available:  
• Vehicle Wash  
• Degreaser  
• House Wash  
• Deck Wash  
• All Purpose Cleaner  
Caution  
Never use:  
• Bleach, Chlorine products and other  
corrosive chemicals  
• Liquids containing solvents  
(i.e., paint thinners, gasoline, oils)  
Tri-sodium phosphate products  
• Ammonia products  
Step4 With the engine running, pull  
trigger to operate unit: Liquid detergent is  
drawn into the unit and mixed with water.  
Apply detergent to work area. Do not allow  
detergent to dry on surface.  
• Acid-based products  
These chemicals will harm the unit and  
will damage the surface being cleaned.  
 
SHUTTING DOWN & CLEAN-UP  
Step1 Remove  
Step2  
Turn off the engine.  
Step3  
Turn off the  
water source.  
Step4  
Press trigger to  
release water  
pressure.  
detergent suction tube  
from container and insert  
into one gallon of fresh  
water. Siphon water at low  
pressure for one minute.  
Step5 Disconnect the  
garden hose from the  
water inlet on the unit.  
Step6 Disconnect the high pressure hose from the  
high pressure outlet and engage the gun safety lock.  
TAKING A BREAK... five minutes or more  
Step1 Turn off the  
engine.  
Step2 Press trigger to  
release water pressure.  
Step3 Engage gun  
safety lock.  
WINTERIZING AND LONG-TERM STORAGE  
1. Disconnect all water connections.  
2. Start the machine for a few seconds, until  
the water which had remained in the pump  
exits. Turn off immediately.  
3. Drain the gas and oil from the engine.  
4. Do not allow high pressure hose to  
become kinked.  
5. Store the machine and accessories in  
a room which does not reach freezing  
temperatures. The machine should not be  
placed near an open flame i.e. furnace,  
hot water heater etc.  
Caution: Failure to follow the above direc-  
tions will result in damage to the pump  
assembly and accessories.  
 
CLEANING TIPS  
Cement Patios,  
Deck Cleaning  
Brick and Stone  
(with or without detergent)  
(with or without detergent)  
Pre-rinse deck and surrounding area with  
fresh water. If using Kärcher Deck Wash,  
place detergent suction tube directly into  
cleaning solution and apply to surface at low  
pressure. For best results, limit your work  
area to smaller sections of approximately 25  
square feet. Allow Kärcher Deck Wash to  
remain on surface 1-3 minutes. Do not allow  
detergent to dry on surface. Rinse at high  
pressure in a long sweeping motion keeping  
the spray nozzle approximately 6 inches  
from the cleaning surface. Always clean  
from top to bottom and from left to right.  
When moving on to a new section of the  
cleaning surface, be sure to overlap the pre-  
vious section to eliminate stop marks and  
ensure a more even cleaning result.  
Pre-rinse cleaning surface with fresh water.  
If using Kärcher All Purpose Cleaner, place  
detergent suction tube directly into cleaning  
solution and apply to surface at low pres-  
sure. For best results, limit your work area  
to smaller sections of approximately 25  
square feet. Allow Kärcher All Purpose  
Cleaner to remain on surface 1-3 minutes.  
Do not allow detergent to dry on surface.  
Rinse at high pressure in a sweeping  
motion keeping the spray nozzle approxi-  
mately 3-6 inches from the cleaning surface.  
Always clean from top to bottom and from  
left to right.  
Cars, Boats & Motorcycles  
(with or without detergent)  
Pre-rinse vehicle with fresh water. If using  
Kärcher Vehicle Wash, place detergent suc-  
tion tube directly into cleaning solution and  
apply to surface at low pressure. For best  
results, clean one side of vehicle at a time  
and always apply detergent from bottom to  
top, do not allow detergent to dry on sur-  
face. Rinse at high pressure in a sweeping  
motion keeping the spray nozzle approxi-  
mately 8 inches from the cleaning surface  
(distance should increase when rinsing pin-  
striping or other sensitive surfaces). Always  
clean from top to bottom and from left to  
right. For best results, wipe surface dry with  
a chamois or soft dry cloth.  
House Siding  
(with or without detergent)  
Pre-rinse cleaning surface with fresh water.  
If using Kärcher House Wash, place deter-  
gent suction tube directly into cleaning solu-  
tion and apply to surface at low pressure  
(for best results, limit your work area  
to sections of approximately 6 feet and  
always apply detergent from bottom to top).  
Allow Karcher House Wash to remain on  
surface 1-3 minutes. Do not allow detergent  
to dry on surface, if surface appears to be  
drying, simply wet down surface with fresh  
water. Rinse at high pressure from top to  
bottom in an even sweeping motion keeping  
the spray nozzle approximately 6 inches  
from the cleaning surface.  
 
- continued  
CLEANING TIPS  
Barbecue Grills, Outdoor  
Power Equipment &  
Recommendations  
• Before cleaning any surface an inconspicu-  
ous area should be cleaned to test spray  
pattern and distance for maximum cleaning  
results.  
Gardening Tools  
(with or without detergent)  
Pre-rinse cleaning surface with fresh water. If  
using Kärcher All Purpose Cleaner or  
Degreaser, place detergent suction tube  
directly into cleaning solution and apply  
detergent at low pressure. Allow Kärcher  
detergent to remain on surface 1-3 minutes.  
Do not allow detergent to dry on surface.  
Rinse at high pressure keeping the spray  
nozzle approximately 6 inches from the  
cleaning surface. For removing extremely  
stubborn dirt, it may be necessary to move  
the spray nozzle even closer to the surface  
for greater dirt cutting action.  
• If painted surfaces are pealing or chipping,  
use extreme caution as pressure washer  
may remove the loose paint from the  
surface.  
Use extreme caution when cleaning decks,  
siding, and other sensitive surfaces as the  
pencil jet may cause damage if not used cor-  
rectly.  
Patio & Lawn Furniture  
(with or without detergent)  
Pre-rinse furniture and surrounding area with  
fresh water. If using Kärcher All Purpose  
Cleaner, place detergent suction tube direct-  
ly into cleaning solution and apply to surface  
at low pressure. Allow Kärcher All Purpose  
Cleaner to remain on surface 1-3 minutes.  
Do not allow detergent to dry on surface.  
Rinse at high pressure in a sweeping motion  
keeping the spray nozzle approximately 6  
inches from the cleaning surface. For best  
results, clean from top to bottom and from  
left to right.  
OPTIONAL CLEANING ACCESSORIES  
Optional cleaning accessories are available to further enhance your cleaning capabilities.  
Call Kärcher customer service hotline (1-800-537-4129) for details.  
 
TROUBLESHOOTING  
Symptom  
Cause  
Solution  
Engine will not start  
No gasoline.  
Low oil level.  
Fill gas tank.  
Add oil.  
Slide choke lever to “CHOKE”  
position.  
Choke is not in correct  
position.  
Engine throttle is not in  
correct position.  
Position the throttle to “FAST.  
For additional  
engine problems  
refer to the engine  
owners manual.  
Pressure built up in the  
high pressure washer.  
Squeeze the trigger to release the  
pressure.  
Unit does not reach  
high pressure.  
Diameter of garden hose  
is too small.  
Replace with a 3/4 inch garden  
hose.  
Water supply is restricted.  
Check garden hose for kinks, leaks  
and blockage.  
Not enough inlet water supply. Open water source full force.  
Water inlet filter is clogged. Remove filter and rinse out in warm  
water.  
Nozzle is in “CHEM”  
position.  
Turn nozzle to high pressure posi-  
tion.  
Turn water on full force. Check garden  
hose for kinks, leaks or blockage.  
Output pressure  
varies high and low.  
Not enough inlet water supply.  
Pump is sucking air.  
Check that hoses and fittings are air  
tight. Turn off machine and purge  
pump by squeezing trigger gun until  
a steady flow of water emerges  
through the nozzle.  
Water inlet filter is clogged. Remove filter and rinse out in warm  
water.  
Discharge nozzle is  
obstructed.  
Blow out or remove debris with a  
fine needle.  
Calcified gun, hose or  
spray wand.  
Run distilled vinegar through  
detergent suction tube.  
 
- continued  
TROUBLESHOOTING  
Symptom  
Cause  
Solution  
Detergent suction tube not  
properly connected to the  
machine.  
No detergent.  
Check connection.  
Detergent is too thick.  
The filter on is closed.  
Dilute detergent, for best results  
use Kärcher detergent.  
Open the filter by turning it to the  
desired detergent intake.  
Filter on detergent suction  
tube is clogged.  
Run warm water through filter to  
remove debris.  
Damaged or clogged  
detergent suction tube.  
Remove obstruction or replace  
detergent suction tube.  
Spray nozzle is in high  
pressure position.  
Turn spray nozzle tip to ”CHEM”  
position.  
Discharge nozzle is  
obstructed.  
Blow out or remove debris with a  
fine needle.  
Loose fitting.  
Garden hose  
Tighten fittings.  
connection leaks.  
Insert new washer.  
Missing/worn rubber washer.  
Tighten connections  
Nozzle or spray wand not  
properly attached.  
Triple jet nozzle or  
Spray wand leaks.  
Call Kärcher customer service  
hotline and order o”-ring.  
Broken “o”-ring.  
Pump is sucking air.  
Check that hoses and fittings are air  
tight. Turn off machine and purge  
pump by squeezing trigger gun until  
a steady flow of water emerges  
through the nozzle.  
Pump is noisy.  
Water leaks from  
pump (up to 10 drops  
per minute  
Loose fittings.  
Check that all fittings are tight.  
Thermal protection device  
has been activated.  
Thermal protection device will  
automatically reset.  
is permissible).  
Water seals are damaged  
or worn.  
Call service center.  
Oil Drip.  
Call service center.  
Oil seals are damaged or  
worn.  
If you encounter any additional  
difficulties not listed, please call  
our service center for help.  
Karcher Customer Support USA  
1-800-537-4129  
 

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