Graco Automobile Parts 205394 Series E User Manual

Instructions - Parts List  
®
50:1 Fire-Ball  
425 Pumps  
306674V  
EN  
For pumping non-corrosive and non-abrasive greases and lubricants only. For  
professional use only.  
Model 205394, Series E  
Model 205395, Series N  
7500 psi (51.7 MPa, 517 bar) Maximum Working  
Pressure  
150 psi (1.0 MPa, 10 bar) Maximum Air Input Pressure  
Important Safety Instructions  
Read all warnings and instructions in this  
manual. Save these instructions.  
This pump is designed to be used only in pumping  
non-corrosive and non-abrasive oils and lubricants.  
Any other use of the pump can cause unsafe  
operating conditions and component rupture, which  
can result in fluid injection or other serious injury or  
fire or explosion.  
 
Warnings  
WARNING  
EQUIPMENT MISUSE HAZARD  
Misuse can cause death or serious injury.  
Do not operate the unit when fatigued or under the influence of drugs or alcohol.  
Do not exceed the maximum working pressure or temperature rating of the lowest rated system com-  
ponent. See Technical Data in all equipment manuals.  
Use fluids and solvents that are compatible with equipment wetted parts. See Technical Data in all  
equipment manuals. Read fluid and solvent manufacturer’s warnings. For complete information  
about your material, request MSDS from distributor or retailer.  
Turn off all equipment and follow the Pressure Relief Procedure when equipment is not in use.  
Check equipment daily. Repair or replace worn or damaged parts immediately with genuine manu-  
facturer’s replacement parts only.  
Do not alter or modify equipment. Alterations or modifications may void agency approvals and create  
safety hazards.  
Make sure all equipment is rated and approved for the environment in which you are using it.  
Use equipment only for its intended purpose. Call your distributor for information.  
Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.  
Do not kink or over bend hoses or use hoses to pull equipment.  
Keep children and animals away from work area.  
Comply with all applicable safety regulations.  
MOVING PARTS HAZARD  
Moving parts can pinch, cut or amputate fingers and other body parts.  
Keep clear of moving parts.  
Do not operate equipment with protective guards or covers removed.  
Pressurized equipment can start without warning. Before checking, moving, or servicing equipment,  
follow the Pressure Relief Procedure and disconnect all power sources.  
TOXIC FLUID OR FUMES HAZARD  
Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin, inhaled, or  
swallowed.  
Read MSDSs to know the specific hazards of the fluids you are using.  
Store hazardous fluid in approved containers, and dispose of it according to applicable guidelines.  
PERSONAL PROTECTIVE EQUIPMENT  
Wear appropriate protective equipment when in the work area to help prevent serious injury, including  
eye injury, hearing loss, inhalation of toxic fumes, and burns. This protective equipment includes but is  
not limited to:  
Protective eyewear, and hearing protection.  
Respirators, protective clothing, and gloves as recommended by the fluid and solvent manufacturer  
306674V  
3
 
Installation  
Installation  
To ground the pump: Remove the ground screw (Z)  
and insert through the eye of the ring terminal at end of  
ground wire (Y). Fasten the ground screw back onto the  
pump and tighten securely. Connect the other end of the  
ground wire to a true earth ground. See FIG. 1. To order  
a ground and wire clamp, order Part No. 222011.  
Grounding  
The equipment must be grounded to reduce the risk  
of static sparking and electric shock. Electric or static  
sparking can cause fumes to ignite or explode.  
Improper grounding can cause electric shock.  
Grounding provides an escape wire for the electric  
current.  
Mounting the Pump  
Pump: Use a ground wire and clamp as shown in FIG. 1.  
Mount the pump securely so that it cannot move  
around during operation. Failure to do so could result  
in personal injury or equipment damage.  
Select a convenient location for the equipment to  
ensure easy operator access to the pump air con-  
trols, sufficient room to change supply containers,  
and a secure mounting platform.  
Z
Y
If you are mounting the pump directly on the supply  
tank, position the pump so its intake valve is no  
more than 1 inch (25 mm) from the bottom of the  
container. Mount the pump to the cover or other suit-  
able mounting device.  
FIG. 1  
Air and fluid hoses: Use only electrically conductive  
hoses.  
Typical Installation  
Mount the pump to suit the type of installation planned.  
Very heavy lubricant may require an inductor plate. See  
page 17 for the mounting hole layout and dimensions.  
Air compressor: Follow manufacturer’s recommenda-  
tions.  
Dispense valve: Ground through connection to a prop-  
erly grounded fluid hose and pump.  
Install the airline accessories in the approximate order  
shown in FIG. 2. Install a bleed-type master air valve (B)  
within easy reach of the pump, upstream from the air  
regulator. Install an air filter (C) to remove harmful dirt  
and moisture from your compressed air supply. For  
automatic air motor lubrication, install an air line oiler (D)  
close to the pump air inlet. Install an air regulator (E) to  
control pump speed.  
Object being dispensed: follow local code.  
Solvent pails used when flushing: Follow local code.  
Use only conductive metal pails, placed on a grounded  
surface. Do not place the pail on a nonconductive sur-  
face, such as paper or cardboard, which interrupts  
grounding continuity.  
To maintain grounding continuity when flushing or  
relieving pressure: hold metal part of the spray  
gun/dispense valve firmly to the side of a grounded  
metal pail, then trigger the gun/valve.  
4
306674V  
 
   
Installation  
Be sure the air hose is properly sized to deliver an ade-  
quate supply of air to the motor. Refer to the Technical  
Data on page 16.  
A bleed-type master air valve (B) is required to shut  
off an relieve air pressure that may be trapped in the  
air motor. Trapped air could cause the pump to cycle  
unexpectedly and cause serious bodily injury,  
including amputation.  
Connect a dispensing hose to the 3/8 npt(f) pump outlet.  
Install an appropriate gun or dispense valve to the hose.  
Ground the pump as explained on page 4.  
J
A
C
D
F
B
E
G
H
FIG. 2: Typical Installation  
Key:  
A
B
C
D
E
F
G
H
J
Grounded air line  
Bleed-type master air valve  
Air filter  
Air line oiler  
Air regulator  
Grounded dispensing hose  
Dispensing valve  
Elevator assembly with inductors  
Ground wire  
306674V  
5
 
 
Operation  
Operation  
Pressure Relief Procedure  
Startup and Adjustment  
Follow the Pressure Relief Procedure whenever  
you see this symbol.  
Open the bleed-type air master valve (B). Open the dis-  
pensing valve (G), and slowly open the air regulator (E)  
until the pump is running smoothly. After all the air is  
purged, close the dispensing valve. The pump will start  
and stop as the valve is opened and closed.  
This equipment stays pressurized until pressure is  
manually relieved. To help prevent serious injury from  
pressurized fluid, such as skin injection, splashing  
fluid and moving parts, follow the Pressure Relief  
Procedure when you stop spraying and before  
cleaning, checking, or servicing the equipment.  
NOTICE  
Never allow the pump to run dry of the fluid being  
pumped. A dry pump quickly accelerates to a high  
sped and may damage itself. If your pump acceler-  
ates quickly or is running too fast, stop it immediately  
and check the fluid supply. If the supply container is  
empty and air has been pumped into the lines, prime  
the pump and the lines with fluid, or flush the pump  
and leave it filled with a compatible solvent. be sure to  
eliminate all air from the fluid system.  
1. Close the air regulators (E).  
2. Close the supply pump’s bleed-type air master valve  
(B, required in system).  
3. Open the dispensing valve (G) until pressure is fully  
relieved.  
NOTE: If you suspect that the dispensing valve, exten-  
sion, or grease fitting coupler is clogged, or that pres-  
sure has not been fully relieved after following the steps  
above, VERY SLOWLY loosen the coupler or hose end  
coupling and relieve pressure gradually, then loosen  
completely and clear the clog.  
Use the air regulator (E) to control the pump speed and  
fluid pressure. See FIG. 2. Always use the lowest pres-  
sure necessary to obtain the desired results.  
When you are finished using the pump for the day  
always follow the Pressure Relief Procedure.  
Maintenance  
The accessory air line oiler (D) provides automatic air  
motor lubrication. Four daily manual lubrication, discon-  
nect the air hose, place about 15 drops of light machine  
oil in the air inlet, reconnect the hose, and turn on the air  
supply to blow oil into the motor.  
6
306674V  
 
 
Troubleshooting  
Troubleshooting  
1. Follow Pressure Relief Procedure, page 6, before  
checking or repairing gun.  
2. Check all possible problems and causes before dis-  
assembling gun.  
Problem  
Cause  
Solution  
Inadequate air supply pressure or  
restricted air lines.  
Increase air supply; clear  
Open; clean  
Closed or clogged valves  
Pump fails to operate  
Clogged fluid lines, hoses, valve,  
etc.  
Clear*  
Damaged air motor  
Service air motor  
Exhausted fluid supply  
Refill and reprime, or flush  
Worn or damaged air motor gasket,  
packing, seal, etc.  
Continuous air exhaust  
Erratic pump operation  
Service air motor  
Exhausted fluid supply  
Refill and reprime, or flush  
Clear; service  
Held open or worn intake valve or  
piston packings  
Pump operates, but output low on  
upstroke  
Held open or worn piston or pack-  
ings  
Clear; service  
Pump operates, but output low on  
downstroke  
Held open or worn intake valve  
Clear; service  
Inadequate air supply or restricted  
air lines  
Increase air supply; clear  
Closed or clogged valves  
Exhausted fluid supply  
Open; clean  
Refill and reprime, or flush  
Pump operates, but output low on  
both strokes  
Clogged fluid lines, hoses, valves,  
etc.  
Clear*  
Packing nut too tight  
Loosen  
Loose packing nut or worn packings Tighten; replace  
* Follow the Pressure Relief Procedure (see page 6), and disconnect the fluid line. If the pump starts when the air is  
turned back on, the fluid line, hose, valve, etc. was clogged.  
306674V  
7
 
Service  
Service  
77  
64  
Ref. 63 (copper gasket) and  
Ref. 60 (cotter pin),  
see Parts Drawing on page 16.  
80  
68  
59  
62  
65  
74  
66  
1
59  
62  
61  
68  
67  
72  
2
1
79  
73  
69  
75  
76  
70  
1/4” ROD  
72  
78  
71  
FIG. 3  
8
306674V  
 
Service  
in (6 mm) diameter rod through the holes in the  
tube. Handle the tube carefully to avoid marring the  
surface. Remove the ball, seat, and gasket.  
Displacement Pump  
7. Unscrew the intake valve housing (67) from the pis-  
ton valve housing (64). Remove the ball and pack-  
ings.  
Before starting:  
To reduce down time, be sure you have all neces-  
sary repair parts available. Recommended spare  
parts are listed in the parts list on page 15.  
8. Clean all parts thoroughly. Grease all parts except  
threads when reassembling.  
Reassembly  
The balls (59) in the intake and piston valves cannot  
be reseated on the hardened seats (68).  
1. One at a time, place the female gland (74), five  
leather v-packings (66) with the lips of the packings  
facing up, and the male gland (65) on the intake  
housing (67). Place the gasket (62), seat (68), and  
ball (59) on the housing (67).  
Repair Kit 239320 is available. If you have a repair  
kit, use all the new parts for the best results.  
Whenever replacing packings, also replace the  
glands and bearing.  
2. If the pins (80) were removed from the piston valve  
housing (64), replace them. Hold the piston valve  
housing with a wrench and screw in the intake valve  
housing.  
When cleaning parts, use a compatible solvent.  
Inspect parts for wear or damage and replace as  
necessary. Scoring or irregular surfaces on the  
priming tube (72) or polished inner wall of the riser  
tube (79) causes premature packing wear and leak-  
ing. Check these parts by rubbing a finger on the  
surface and by holding the parts up to the light at a  
slight angle.  
3. Place a gasket (62), seat (68), and ball (59) on the  
priming tube (72). Holding the piston valve housing  
(67) with a wrench, screw the priming tube into it.  
using a 1/4 in. diameter rod through the tube for  
leverage.  
4. Guide the riser tube (79) over the priming tube and  
screw it into the motor base, making sure the gasket  
(63) is in place. Torque to 50 to 70 ft-lb (68 to 95  
N.m).  
Use light, waterproof grease whenever grease is  
mentioned.  
Disassembly  
5. One at a time, place the female gland (76), five  
leather packings (73) with lips of packings facing up,  
a male gland (75), and a bearing (69) in the packing  
housing (70). Screw the housing firmly into the riser  
tube.  
1. Flush the pump if possible. Follow the Pressure  
Relief Procedure on page 6. Disconnect all air and  
fluid hoses.  
2. Clamp the motor base in a vise. Unscrew the prim-  
ing cylinder (78).  
6. Screw the priming piston (71) firmly onto the priming  
tube (72). Screw the intake cylinder (78) firmly onto  
the riser tube.  
3. Hold the priming tube (72) with a 1/4 in (6 mm)  
diameter rod through the holes in the tube. Grip the  
flats of the priming position (71) with a wrench and  
unscrew the piston.  
7. Reconnect the ground wire if it was disconnected  
during repair.  
4. Loosen the packing housing (70). Unscrew the riser  
tube (79) from the air motor.  
5. Remove the packing housing (70) from the riser  
tube (79), and remove the packings from the hous-  
ing.  
6. Hold the intake valve housing (67) with a wrench,  
and unscrew the priming tube (72) by inserting a 1/4  
306674V  
9
 
Service  
Air Motor and Throat Service  
Before starting:  
NOTICE  
Do not damage the plated surface of the trip rod.  
Damaging the surface of the trip rod can result in  
erratic air motor operation. Use the special padded  
pliers, 207579, to grasp the rod.  
Be sure to have all necessary parts on hand. Air  
Motor Repair kit, 207385, includes repair parts for  
the motor. Pump Repair Kit, 239320, includes repair  
parts for the pump and the air motor throat area.  
Use all the parts in the kits for the best results.  
4. Remove the eight screws (7) holding the cylinder  
(32) to the base (56). Carefully pull the cylinder  
straight up off the piston. (FIG. 4)  
Two accessory tools should be used. Padded Pliers,  
207579, is used to grip the trip rod without damag-  
ing its surface. Gauge, 171818, is used to ensure  
the proper clearance between the poppets and seat  
of the transfer valve.  
5. Use a screw driver to push down on the trip rod  
yoke (14) and snap the toggle assemblies (k) down.  
Remove the lockwires (28) from the adjusting nuts  
(27) of the transfer valves (M). Screw the top adjust-  
ing nuts (27) off. Screw the valve stems (30) out of  
the grommets (18) and lower adjusting nuts (27).  
Take the valve poppets (37) off the stems and  
squeeze them firmly to check for cracks. (FIG. 5)  
Disassembly  
6. Grip the toggle rockers (16) with a pliers. Compress  
the springs (17) and swing the toggle assembly (K)  
up and away from the piston lugs (L), and remove  
the parts. Check that the valve actuator (13) is sup-  
ported by the spring clips (4), but slides easily into  
them. (FIG. 5)  
1. Flush the pump. Follow the Pressure Relief Proce-  
dure, page 6.  
2. Disconnect the air hose from the motor. If neces-  
sary, disconnect the motor from the pump. Clamp  
the air motor base in a vise.  
7. Remove the trip rod yoke (14), valve actuator (13)  
and trip rod (1). Check the exhaust valve poppets  
(38) for cracks.  
3. Manually push on the piston rod to move the piston  
assembly to the top of its stroke. Unscrew the cylin-  
der cap nut (31) from the cylinder (32). Pull up on  
the cap nut. Grip the trip rod (1) with a padded pli-  
ers, 207579, and screw the cap nut off the trip rod.  
NOTE: To remove the exhaust valve poppets (38),  
stretch them out and cut with a sharp knife.  
8. Pull the piston (5) up and out of the base (56) and  
inspect the piston o-ring (20) and the o-ring base  
casting.  
31  
1
Hold trip rod with  
padded pliers  
207579, to prevent  
damage to rod  
32  
7
56  
36  
FIG. 4  
10  
306674V  
 
   
Service  
Push toggles (K) in  
and then up.  
1
14  
28*  
Cut off tops of  
poppets (x) as  
indicated by dotted  
lines  
Turn wires up.  
17  
16  
K
27*  
30*  
1
L
38*  
4
30*  
27*  
13  
18*  
27*  
18*  
27*  
20*  
M
0.125 in.  
(3.18 mm)  
5
37*  
56  
5
CUTAWAY VIEW  
4
13  
38*  
37*  
FIG. 5  
7. Before installing the lockwires (28) in the adjusting  
nuts (27), use the special gauge, 171818, to adjust  
the transfer valve (M) so there is 0.125 in (3.68 mm)  
clearance between the poppets (37) and the piston  
(5) when the toggle assemblies are in the down  
position. (FIG. 5)  
Reassembly  
1. Clean all the parts carefully in a compatible solvent  
and inspect for wear or damage. Use all the repair  
kit parts during reassembly and replace other parts  
as necessary.  
2. Check the polished surfaces of the piston, piston rod  
and cylinder wall for scratches or wear. A scored rod  
will cause premature packing wear and leaking.  
8. Snap the toggle assemblies (K) to the up position.  
Reinstall the cylinder (32) and cap nut (31). Reas-  
semble the air motor to the displacement pump.  
3. Lubricate all parts with a light, waterproof grease.  
9. Before remounting the pump, connect an air hose  
and run the pump slowly, at about 40 psi (0.28 MPa,  
2.8 bar) to ensure that it operates smoothly.  
4. Be sure the o-rings are in place. Slide the piston rod  
down through the throat bearing and lower the pis-  
ton (5) into the air motor base (56).  
10. Reconnect the ground wire before regular operation.  
5. Pull the exhaust valve poppets (38) into the valve  
actuator (13) and clip off the top part shown with  
dotted lines. (FIG. 5)  
Throat Packing  
6. Install the transfer valve poppets (37) onto the valve  
stems (30), then reassemble the valve stems (30),  
bottom adjusting nuts (27), grommets (18), and top  
adjusting nuts (27) on the piston (5). Assemble the  
trip rod (1), valve actuator (13), trip rod yoke (14)  
and toggle assemblies (K) on the piston. (FIG. 5)  
See FIG. 6 and the parts drawing and list on pages 14  
and 15 for further information.  
1. Clamp the pump in a vise and unscrew the riser  
tube (80) from the air motor base (56). Pull the riser  
tube away from the air motor until the cotter pin (60)  
which secures the displacement pump connecting  
rod to the air motor piston rod (52) is visible.  
306674V  
11  
 
 
Service  
2. Remove the cotter pin (60) and unscrew the pump  
connecting rod (79) from the air motor piston rod  
(52). Remove the cylinder (32) from the air motor  
base (56) as described under Disassembly on page  
10.  
NOTE: Make sure the packing (25) lips face down and  
make sure the wiper (22) lips face up.  
8. Insert the bearing (46) and the washer (44) into the  
base. Assemble the female gland (48), v-packings  
(49), and the male gland (47) into the packing nut  
(45).  
3. Remove one louvered air exhaust plate (36) and  
unscrew the throat packing nut (45), using a span-  
ner wrench or a 0.22 in (5.6 mm) diameter rod.  
9. Reinstall the spacer and packing in the base and  
packing nut (45). Screw the packing nut into the  
base and tighten it securely. Carefully slide the pis-  
ton rod (52) down through the throat packing and  
lower the piston into the base. Reinstall the plate  
(36) and cylinder (32). Reassemble the air motor to  
the displacement pump.  
4. Remove the packing nut (45), male and female  
glands (47, 48), v-packings (49), washer (44), bear-  
ing (46), retainer (24), wiper (22), o-ring (23), u-cup  
(25), and washer (26) from the base.  
5. Clean the throat packing area in the base and the  
packing nut. Clean and inspect all parts and replace  
as necessary.  
10. Torque the outlet adapter (42) to 45 to 55 ft-lb (61 to  
75 N.m).  
6. Lubricate the packings, piston rod, and piston flange  
with a light, waterproof grease.  
NOTE: When reinstalling the cotter pin (60), always  
spread and flatten the pin (both the head and prongs)  
around the rod to within 1 inch (25 mm) total diameter.  
see Detail A of FIG. 6.  
7. Install the washer (26) into the base. Assemble the  
packing (25) and the wiper (22) into the retainer  
(24). Install the o-ring (23) onto the retainer, and  
insert the retainer assembly into the base.  
32  
DETAIL A  
52  
56  
45  
60  
79  
1 in.  
(25 mm)  
SEE DETAIL A  
36  
80  
FIG. 6  
12  
306674V  
 
 
Notes  
Notes  
306674V  
13  
 
Parts  
Parts  
45  
48  
31  
9
49  
47  
44  
32  
46  
22  
23  
72  
28*  
27*  
13  
15  
29  
14  
1
24  
25  
26  
17  
16  
38*  
18*  
58  
21*  
19  
3
4
33  
2
27*  
56  
7
5
79  
40  
53  
*20  
69  
75  
42  
1
*37  
*30  
8
63  
60  
73  
76  
57  
33  
70  
71  
6
52  
36  
77  
78  
80  
64  
59  
62  
68  
65  
66  
74  
67  
61  
68  
59  
62  
14  
306674V  
 
 
Parts  
Model 205394, Series E, 120 lb. (55 kg) drum length  
Model 205395, Series N, 400 lb. (180 kg) drum length  
Ref. Part  
Description  
Qty.  
Ref. Part  
Description  
Qty.  
53  
56  
116343 SCREW, grounding  
165362 BASE, motor, air  
1
1
1
2
1
1
2
1
1
1
5
1
2
1
1
1
1
5
1
1
1
1
1
2
207150 TRIP ROD  
1
1
207391 PISTON, includes items 3 to 5 (also  
includes repair kit 207385 when  
ordered as a replacement part)  
102975 SCREW, rd hd mach, 6-32 x 1/4 in.  
158361 CLIP, spring  
BARE PISTON (not sold sepa-  
rately)  
100078 SCREW, hex head, 8-32 x 3/8 in.  
101578 SCREW, hex head Nylock, 8-32 x  
3/8 in.  
150647 GASKET, copper  
156698 O-RING, buna-N  
158359 ACTUATOR, valve  
158360 YOKE, rod, trip  
158362 PIN, toggle  
58177843 PLATE, warning  
59100170 BALL, steel, 3/8” dia.  
60100579 PIN, cotter, 7/64” dia., 1” long  
61108513 PIN, roll, 0.135” dia. 7/8” long  
62150451 GASKET, copper  
63  
64  
65162556 GLAND, male  
66162557 V-PACKING,  
67  
68  
3
4❖  
5
2
2
1
158314 GASKET, copper  
162555 HOUSING, piston valve  
6
7
20  
8
162558 HOUSING, intake valve  
162559 SEAT, valve  
8
1
1
1
1
2
2
2
2
1
1
1
1
1
1
1
1
4
2
2
2
1
1
2
1
2
2
1
1
1
1
1
1
1
4
1
9❖  
13  
14  
15  
16  
17  
18*  
19  
20*  
21*  
69162560 BEARING, brass  
70  
71  
72  
162561 HOUSING, packing  
162562 PISTON, priming  
162564 TUBE, priming  
158364 ROCKER, toggle  
73162566 V-PACKING, leather  
74162568 GLAND, female  
75162602 GLAND, male  
76162603 GLAND, female  
167585 SPRING, helical compression  
158367 GROMMET, rubber  
158377 SEAL, flat ring, nitrile rubber  
158378 SEAL, o-ring, nitrile rubber  
158379 SEAL, o-ring, nitrile rubber  
77  
164234 ROD, connecting, 12.47” (317 mm)  
long, model 205394  
164231 ROD, connecting, 19-13/32” (493  
mm) long, model 205395  
164233 CYLINDER, intake primer  
165381 TUBE, rise, 21.31” (541 mm) long,  
model 205394  
165382 TUBE, riser, 28-1/4” (817 mm) long,  
model 205395  
22113935 WIPER, rod  
1
23113944 PACKING, o-ring  
24192172 RETAINER, packing  
25† 113936 PACKING, u-cup  
26192173 WASHER, packing  
27*  
28*  
29  
30*  
31  
32  
33  
36  
37*  
38*  
40  
78  
79  
1
1
160261 NUT, adjusting  
160618 LOCKWIRE, transfer valve  
160623 ARM, toggle  
1
2
80  
102180 PIN, spring, 0.135” dia. 1” long  
160896 STEM, valve  
161435 NUT, cylinder cap  
15E954 CYLINDER, motor, air  
178270 PLATE, muffler  
15E555 PLATE, identification  
170708 POPPET, valve, urethane  
170709 POPPET, valve, urethane  
150461 GASKET, copper  
158409 ADAPTER, outlet  
Replacement Danger and Warning labels, tags, and  
cards are available at no cost.  
* Parts included in Kit 207385 (purchase separately).  
Parts included in Kit 239320 (purchase separately),  
includes parts to service the air motor throat area  
and the power lower.  
42  
44158697 WASHER, thrust  
45159047 NUT, packing  
46159048 BEARING, brass  
47159306 GLAND, male  
48159307 GLAND, female  
49159308 V-PACKING, nitrile rubber  
52  
† Parts for the air motor throat area.  
‡ Parts for the power lower.  
Recommended spare parts. Keep on hand to reduce  
down time.  
162553 ROD, piston  
306674V  
15  
 
 
Technical Data  
Technical Data  
.
50:1 Fire-Ball 425 Pumps  
US  
Metric  
Maximum fluid working pressure  
Air pressure operating range  
Fluid pressure ratio  
7500 psi  
51.7 MPa, 517 bar  
40 to 150 psi  
0.3 to 1 MPa, 3 to 10 bar  
50:1  
Maximum delivery  
1.9 lpm  
0.5 gpm  
110  
Cycles per gallon (per liter)  
Maximum recommended pump speed  
Air motor effective diameter  
Stroke  
28  
60 cycles per minute  
108 mm  
4.25 in.  
4 in.  
102 mm  
3
Air consumption  
approximately 19 cfm at 1  
gpm at 70 psi  
approximately 0.53 m /min at  
3.8 lpm at 0.48 MPa, 4.8 bar  
Wetted parts  
Weight  
Steel, brass, aluminum, leather  
Model 205394  
Model 205395  
34 lb  
37 lb  
15 kg  
17 kg  
16  
306674V  
 
 
Dimensions  
Dimensions  
3/8 npt  
Fluid  
3/8 npt  
Fluid  
Outlet  
Outlet  
14–9/16”  
14–9/16”  
(369.9 mm)  
(369.9 mm)  
6–1/2”  
6–1/2”  
(165.1 mm)  
Diameter  
(165.1 mm)  
Diameter  
41–1/4”  
(1048 mm)  
1/2 npt(f)  
Air Inlet  
1/2 npt(f)  
Air Inlet  
48–3/16”  
(1224 mm)  
26–11/16”  
(678 mm)  
33–5/8”  
(854.1 mm)  
Priming Piston  
Priming Piston  
Model 205394, Series E  
Model 205395, Series N  
Weight 36 lb (16 kg)  
Weight 36 lb (16 kg)  
Mounting Holes  
3 1/4” (82.6 mm) DIA.  
TWO 5/16” (7.94 mm)  
DIAMETER HOLES ON  
4 1/4” (108 mm)  
BOLT CIRCLE  
2–3/32” (53.18 mm)  
45o  
7/8” (22.2 mm) DIA.  
306674V  
17  
 
 
Graco Standard Warranty  
Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in  
material and workmanship on the date of sale to the original purchaser for use. With the exception of any special, extended, or limited warranty  
published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by  
Graco to be defective. This warranty applies only when the equipment is installed, operated and maintained in accordance with Graco’s written  
recommendations.  
This warranty does not cover, and Graco shall not be liable for general wear and tear, or any malfunction, damage or wear caused by faulty  
installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or substitution of  
non-Graco component parts. Nor shall Graco be liable for malfunction, damage or wear caused by the incompatibility of Graco equipment with  
structures, accessories, equipment or materials not supplied by Graco, or the improper design, manufacture, installation, operation or  
maintenance of structures, accessories, equipment or materials not supplied by Graco.  
This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of  
the claimed defect. If the claimed defect is verified, Graco will repair or replace free of charge any defective parts. The equipment will be returned  
to the original purchaser transportation prepaid. If inspection of the equipment does not disclose any defect in material or workmanship, repairs will  
be made at a reasonable charge, which charges may include the costs of parts, labor, and transportation.  
THIS WARRANTY IS EXCLUSIVE, AND IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED  
TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE.  
Graco’s sole obligation and buyer’s sole remedy for any breach of warranty shall be as set forth above. The buyer agrees that no other remedy  
(including, but not limited to, incidental or consequential damages for lost profits, lost sales, injury to person or property, or any other incidental or  
consequential loss) shall be available. Any action for breach of warranty must be brought within two (2) years of the date of sale.  
GRACO MAKES NO WARRANTY, AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A  
PARTICULAR PURPOSE, IN CONNECTION WITH ACCESSORIES, EQUIPMENT, MATERIALS OR COMPONENTS SOLD BUT NOT  
MANUFACTURED BY GRACO. These items sold, but not manufactured by Graco (such as electric motors, switches, hose, etc.), are subject to  
the warranty, if any, of their manufacturer. Graco will provide purchaser with reasonable assistance in making any claim for breach of these  
warranties.  
In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from Graco supplying equipment hereunder, or  
the furnishing, performance, or use of any products or other goods sold hereto, whether due to a breach of contract, breach of warranty, the  
negligence of Graco, or otherwise.  
FOR GRACO CANADA CUSTOMERS  
The Parties acknowledge that they have required that the present document, as well as all documents, notices and legal proceedings entered into,  
given or instituted pursuant hereto or relating directly or indirectly hereto, be drawn up in English. Les parties reconnaissent avoir convenu que la  
rédaction du présente document sera en Anglais, ainsi que tous documents, avis et procédures judiciaires exécutés, donnés ou intentés, à la suite  
de ou en rapport, directement ou indirectement, avec les procédures concernées.  
Graco Information  
TO PLACE AN ORDER, contact your Graco distributor or call to identify the nearest distributor.  
Phone: 612-623-6928 or Toll Free: 1-800-533-9655, Fax: 612-378-3590  
All written and visual data contained in this document reflects the latest product information available at the time of publication.  
Graco reserves the right to make changes at any time without notice.  
Original instructions. This manual contains English. MM 306674  
Graco Headquarters: Minneapolis  
International Offices: Belgium, China, Japan, Korea  
GRACO INC. AND SUBSIDIARIES • P.O. BOX 1441 • MINNEAPOLIS MN 55440-1441 • USA  
Copyright 2002, Graco Inc. All Graco manufacturing locations are registered to ISO 9001.  
Revised January 2013  
 

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