Graco Heat Pump 223540 User Manual

Instructions–Parts List  
SEVERE-DUTY, UHMWPE/PTFE PACKED  
308118N  
Stainless Steel Pumps  
EN  
55 gallon (200 liter) drum size, with bung adapter.  
For transfer and supply of solventborne and waterborne finishing materials.  
For professional use only.  
Important Safety Instructions  
Read all warnings and instructions in this manual.  
Save these instructions.  
See page 2 for table of contents.  
Model 224348, Series C  
10:1 Ratio Presidentr Pump  
0359  
II 1/2 G T2  
ITS03ATEX11228  
Model 256713, Series A  
10:1 Ratio Presidentr Pump (1.5 in. Female Inlet)  
1800 psi (12.4 MPa, 124 bar) Maximum Fluid Working Pressure  
180 psi (1.25 MPa, 12.5 bar) Maximum Air Inlet Pressure  
Model 224350, Series C  
5:1 Ratio Monarkr Pump  
0359  
II 1/2 G T2  
ITS03ATEX11228  
Model 256714, Series A  
5:1 Ratio Monarkr Pump (1.5 in. Female Inlet)  
900 psi (6.3 MPa, 63 bar) Maximum Fluid Working Pressure  
180 psi (1.25 MPa, 12.5 bar) Maximum Air Inlet Pressure  
0200A  
MODEL 224348 SHOWN  
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WARNING  
SKIN INJECTION HAZARD  
Spray from the gun/valve, hose leaks, or ruptured components can inject fluid into your body and  
cause extremely serious injury, including the need for amputation. Fluid splashed in the eyes or on the  
skin can also cause serious injury.  
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cal treatment.  
D Do not point the gun/valve at anyone or at any part of the body.  
D Do not put your hand or fingers over the spray tip/nozzle.  
D Do not stop or deflect leaks with your hand, body, glove or rag.  
D Do not “blow back” fluid; this is not an air spray system.  
D Always have the tip guard and the trigger guard on the gun when spraying.  
D Check the gun diffuser operation weekly. Refer to the gun manual.  
D Be sure the gun/valve trigger safety operates before spraying/dispensing.  
D Lock the gun/valve trigger safety when you stop spraying/dispensing.  
D Follow the Pressure Relief Procedure on page 9 whenever you: are instructed to relieve pres-  
sure; stop spraying/dispensing; clean, check, or service the equipment; and install or clean the  
spray tip/nozzle.  
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Permanently coupled hoses cannot be repaired; replace the entire hose.  
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hose from rupture caused by kinks or bends near the couplings.  
MOVING PARTS HAZARD  
Moving parts, such as the air motor piston, can pinch or amputate your fingers.  
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equipment from starting unexpectedly.  
308118  
3
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WARNING  
FIRE AND EXPLOSION HAZARD  
Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and  
result in a fire or explosion and serious injury.  
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D If there is any static sparking or you feel an electric shock while using this equipment, stop spray-  
ing/dispensing immediately. Do not use the equipment until you identify and correct the problem.  
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being sprayed/dispensed.  
D Keep the spray/dispense area free of debris, including solvent, rags, and gasoline.  
D Electrically disconnect all equipment in the spray/dispense area.  
D Extinguish all open flames or pilot lights in the spray/dispense area.  
D Do not smoke in the spray/dispense area.  
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.
TOXIC FLUID HAZARD  
Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin,  
inhaled, or swallowed.  
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state and national guidelines.  
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solvent manufacturer.  
4
308118  
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Installation  
4. Spray gun: grounding is obtained through connec-  
Grounding  
tion to a properly grounded fluid hose and pump.  
5. Object being sprayed: according to your local  
WARNING  
code.  
FIRE AND EXPLOSION HAZARD  
Before operating the pump, ground the  
system as explained below. Also read  
the section FIRE AND EXPLOSION  
HAZARD on page 4.  
6. Fluid supply container: according to your local  
code.  
7. All solvent pails used when flushing, according to  
your local code. Use only metal pails, which are  
conductive, placed on a grounded surface. Do not  
place the pail on a non-conductive surface, such  
as paper or cardboard, which interrupts the  
grounding continuity.  
To reduce the risk of static sparking, ground the pump.  
Check your local electrical code for detailed grounding  
instructions for your area and type of equipment. Be  
sure to ground all of this dispensing equipment.  
8. To maintain grounding continuity when flushing or  
relieving pressure, always hold a metal part of the  
spray gun firmly to the side of a grounded metal  
pail, then trigger the spray gun.  
1. Pump: loosen the grounding lug locknut (W) and  
2
washer (X). Insert one end of a 1.5 mm (12 ga)  
minimum ground wire (Y) into the slot in lug (Z)  
and tighten the locknut securely. See Fig. 1. Con-  
nect the other end of the ground wire to a true  
earth ground. Order Part No. 237569 Ground Wire  
and Clamp.  
Z
Y
2. Air and fluid hoses: use only electrically conductive  
hoses with a maximum of 500 ft (150 m) combined  
hose length to ensure grounding continuity.  
X
3. Air compressor: follow manufacturer’s recommen-  
0720  
W
Fig. 1  
dation.  
308118  
5
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Installation  
H
Typical Installation  
Y
A
B
E
F
G
N
C
D
M
K
J
L
1/2 in. (13 mm)  
0808A  
KEY  
A
B
C
D
E
F
G
H
J
K
L
Pump  
Pump Runaway Valve  
Air Line Lubricator  
Bleed–Type Master Air Valve (required, for pump)  
Pump Air Regulator  
Air Line Filter  
Bleed–Type Master Air Valve (for accessories)  
Air Supply Hose  
Fluid Drain Valve (required)  
Fluid Filter  
Fluid Supply Hose  
M
N
Y
Spray Gun  
Pump Bung Adapter  
Ground Wire (required; see page 5  
for installation instructions)  
6
308118  
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Installation  
NOTE: Reference numbers and letters in parentheses  
in the text refer to the callouts in the figures and the  
Parts Drawing.  
Connect a electrically conductive fluid hose (L) to the  
fluid filter (K), if used, or directly to the pump’s fluid  
outlet.  
NOTE: Contact you Graco distributor for available  
Graco accessories. If you supply your own accesso-  
ries, be sure they are adequately sized and pressure-  
rated to meet the system’s requirements.  
Use a electrically conductive 1/2 in. ID (minimum) air  
hose (H) to supply air to the pump.  
Air Line Accessories  
The Typical Installation shown on page 6 is only a  
guide for selecting and installing system components  
and accessories. Contact your Graco distributor for  
assistance in designing a system to suit your particular  
needs.  
Install the following accessories in the order shown in  
the Typical Installation, using adapters as necessary.  
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motor lubrication.  
System Accessories  
D A bleed-type master air valve (D) is required in  
your system to relieve air trapped between it and  
the air motor when the valve is closed (see the  
WARNING at left). Be sure the bleed valve is easily  
accessible from the pump, and is located down-  
stream from the air regulator.  
Refer to the Typical Installation on page 6.  
WARNING  
A bleed-type master air valve (D) and a fluid drain  
valve (J) are required in your system. These acces-  
sories help reduce the risk of serious injury includ-  
ing fluid injection, splashing in the eyes or on the  
skin, and injury from moving parts if you are adjust-  
ing or repairing the pump.  
D A pump runaway valve (B) senses when the  
pump is running too fast and automatically shuts off  
the air to the motor. A pump which runs too fast can  
be seriously damaged.  
The bleed-type master air valve relieves air trapped  
between this valve and the pump after the air is  
shut off. Trapped air can cause the pump to cycle  
unexpectedly. Locate the valve close to the pump.  
D An air regulator (E) controls pump speed and  
outlet pressure by adjusting the air pressure to the  
pump. Locate the regulator close to the pump, but  
upstream from the bleed-type master air valve.  
The fluid drain valve assists in relieving fluid pres-  
sure in the displacement pump, hose, and gun.  
Triggering the gun to relieve pressure may not be  
sufficient.  
D
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moisture from the compressed air supply.  
D A second bleed-type master air valve (G) iso-  
lates the air line accessories for servicing. Locate  
upstream from all other air line accessories.  
Mounting Accessories  
Mount the pump (A) to suit the type of installation  
planned. The pump dimensions and mounting hole  
layout are shown on page 26.  
Fluid Line Accessories  
Install the following accessories in the positions shown  
in the Typical Installation, using adapters as neces-  
sary:  
The pump is supplied with a bung adapter. To mount  
the pump, loosen the bung adapter screw and slide the  
adapter off the pump. Screw the bung adapter secure-  
ly into the bung hole on the cover of the supply drum.  
Carefully lower the pump through the bung adapter  
and into the drum until it rests on the bottom, then pull  
it back up 1/2 in. (13 mm). Tighten the bung adapter  
screw to hold the pump in this position. Open the  
drum’s vent plug to prevent a vacuum from forming in  
the drum.  
D A fluid drain valve (J) is required in your system  
to relieve fluid pressure in the hose and gun (see  
the WARNING at left). Install the drain valve point-  
ing down, but so the handle points up when  
opened.  
D
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Air and Fluid Hoses  
fluid.  
Be sure all air and fluid hoses are properly sized and  
pressure-rated for your system. Use only electrically  
conductive air and fluid hoses. Fluid hoses must have  
spring guards on both ends.  
D A spray gun (M) dispenses the fluid. The gun  
shown in the Typical Installation is an airless  
spray gun.  
308118  
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Notes  
8
308118  
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Operation  
Pressure Relief Procedure  
WARNING  
WARNING  
Moving parts can pinch or amputate your fingers or  
other body parts. When air is supplied to the motor,  
the air motor piston (located behind the air motor  
plates) moves. See Fig. 2. Therefore, never oper-  
ate the pump with the air motor plates removed.  
SKIN INJECTION HAZARD  
Fluid under high pressure can be in-  
jected through the skin and cause  
serious injury. To reduce the risk of an  
injury from injection, splashing fluid, or moving  
parts, follow the Pressure Relief Procedure  
whenever you:  
Flush the Pump Before Using  
The pump is tested with lightweight motor oil, which is  
left in to protect the pump parts. If the fluid you are  
using may be contaminated by the oil, flush it out with  
a compatible solvent before using the pump. If the  
pump is being used to supply a circulating system,  
allow the solvent to circulate until the pump is thor-  
oughly flushed.  
D are instructed to relieve the pressure,  
D stop spraying,  
D check or service any of the system equipment,  
D or install or clean the spray tips.  
1. Lock the spray gun trigger safety.  
2. Shut off the air to the pump.  
WARNING  
3. Close the bleed-type master air valve (required in  
your system).  
FIRE AND EXPLOSION HAZARD  
For your safety, read the section FIRE  
AND EXPLOSION HAZARD on page 4  
before flushing and follow all the recom-  
mendations given there.  
4. Unlock the gun trigger safety.  
5. Hold a metal part of the gun firmly to the side of a  
grounded metal pail, and trigger the gun to relieve  
pressure.  
6. Lock the spray gun trigger safety.  
7. Open the drain valve (required in your system),  
having a container ready to catch the drainage.  
8. Leave the drain valve open until you are ready to  
spray again.  
If you suspect that the spray tip or hose is completely  
clogged, or that pressure has not been fully relieved  
after following the steps above, very slowly loosen the  
tip guard retaining nut or hose end coupling and relieve  
pressure gradually, then loosen completely. Now clear  
the tip or hose.  
308118  
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Operation  
Starting and Adjusting the Pump  
WARNING  
To reduce the risk of overpressurizing your system,  
which could result in component rupture and cause  
serious injury, never exceed the Maximum Incom-  
ing Air Pressure given on your pump or in the  
Technical Data on pages 22 and 24.  
WARNING  
To reduce the risk of serious injury whenever you  
are instructed to relieve pressure, always follow the  
Pressure Relief Procedure on page 9.  
Keep the packing nut/wet-cup (14) filled with Graco  
Throat Seal Liquid (TSL) or compatible solvent, to help  
prolong the packing life. Adjust the packing nut weekly  
so it is just tight enough to prevent leakage; do not  
overtighten. See Fig. 2. Always relieve the pressure  
before adjusting the packing nut.  
See the Typical Installation on page 6. Be sure the  
air regulator (E) and bleed-type master air valve (D)  
are closed. Do not install the spray tip yet.  
Mount the pump on the supply drum. On bung-style  
drums, open the vent plug to prevent a vacuum from  
forming in the drum. Hold a metal part of the spray gun  
(M) firmly to the side of a grounded metal pail and hold  
the trigger open. Then open the pump’s bleed-type  
master air valve (D). Now slowly open the air regulator  
until the pump starts, about 40 psi (280 kPa, 2.8 bar).  
Never allow the pump to run dry of the fluid being  
pumped. A dry pump will quickly accelerate to a high  
speed, possibly damaging itself. A pump runaway  
valve (B), which shuts off the air supply to the pump if  
the pump accelerates beyond the pre-set speed, is  
available. If your pump accelerates quickly, or is run-  
ning too fast, stop it immediately and check the fluid  
supply. If the supply container is empty and air has  
been pumped into the lines, refill the container and  
prime the pump and the lines with fluid, or flush and  
leave it filled with a compatible solvent. Be sure to  
eliminate all air from the fluid system.  
Cycle the pump slowly until the air is pushed out and  
the pump and hoses are fully primed. Release the  
spray gun trigger and engage the safety latch. The  
pump should stall against pressure when the trigger is  
released.  
Relieve the pressure, then install the spray tip in the  
gun.  
Shutdown and Care of the Pump  
WARNING  
To reduce the risk of serious injury whenever you  
are instructed to relieve pressure, always follow the  
Pressure Relief Procedure on page 9.  
With the pump and lines primed, and with adequate air  
pressure and volume supplied, the pump will start and  
stop as the spray gun is opened and closed. In a  
circulating system, the pump will run continuously and  
will speed up or slow down as supply demands until  
the air supply is shut off.  
For overnight shutdown, relieve the pressure. Always  
stop the pump at the bottom of the stroke to prevent  
the fluid from drying on the exposed displacement rod  
and damaging the throat packings.  
Use an adequately sized air regulator (E) to control the  
pump speed and the fluid pressure. Always use the  
lowest air pressure necessary to get the desired  
results. Higher pressures waste fluid and cause pre-  
mature wear of the packings and spray tip.  
Always flush the pump before the fluid dries on the  
displacement rod. Relieve the pressure after flushing.  
10 308118  
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Operation  
AIR MOTOR PLATE  
14  
0200A  
Fig. 2  
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11  
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Notes  
12 308118  
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Troubleshooting  
Before servicing this equipment always make sure to  
WARNING  
relieve the pressure.  
To reduce the risk of serious injury whenever you  
are instructed to relieve pressure, always follow the  
Pressure Relief Procedure on page 9.  
Check all possible problems and solutions before  
disassembling the pump.  
Problem  
Cause  
Solution  
Restricted line or inadequate air sup- Clear; Increase air supply.  
ply  
Pump fails to operate  
Insufficient air pressure; closed or  
clogged air valves, etc.  
Open, clean.  
Exhausted fluid supply  
Refill; purge all air from pump and  
fluid lines.  
Damaged air valving mechanism;  
stalling  
Service air motor (see manual  
306982 or 307043).  
Dried fluid seizure of displacement  
rod (1)  
Clean, check or replace throat pack-  
ings (3, 25); always stop the pump at  
the bottom of its stroke and keep the  
wet-cup filled with compatible solvent.  
Restricted line or inadequate air sup- Clear; increase air supply.  
ply  
Pump operates, but output low on  
both strokes  
Insufficient air pressure; closed or  
clogged air valves, etc.  
Open, clean.  
Exhausted fluid supply  
Refill; purge all air from pump and  
fluid lines.  
Clogged fluid line, valves, etc.  
Packing nut (14) too tight  
Clear*.  
Loosen (see page 10).  
Loose packing nut (14) or worn throat Tighten packing nut (see page 10);  
packings (3, 25)  
replace throat packings.  
Pump operates, but output low on Held open or worn intake valve.  
down stroke  
Clear; service.  
Pump operates, but output low on Held open or worn fluid piston valve  
Clear; service.  
up stroke  
or packings (29, 30)  
Exhausted fluid supply  
Refill; purge all air from the pump and  
fluid lines.  
Erratic or accelerated operation  
Help open or worn intake valve.  
Clear; service.  
Clear; service.  
Help open or worn fluid piston valve  
or packings (29, 30)  
* To determine if the fluid hose or gun is obstructed, relieve the pressure. Disconnect the fluid hose and place a container at the  
pump fluid outlet to catch any fluid. Turn on the air just enough to start the pump (about 20–40 psi [140–280 kPa, 1.4–2.8 bar]). If  
the pump starts when the air is turned on, the obstruction is in the fluid hose or gun.  
308118  
13  
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Service  
Disconnecting the Displacement Pump  
MODEL  
224348  
SHOWN  
Torque to 20–30 ft-lb  
(27–41 NS m) on Model 224348  
Torque to10–15 ft-lb  
1
(14–20 NS m) on Model 224350  
WARNING  
2
Lubricate  
To reduce the risk of serious injury whenever you  
are instructed to relieve pressure, always follow the  
Pressure Relief Procedure on page 9.  
1. Flush the pump, if possible. Stop the pump at the  
bottom of its stroke. Relieve the pressure.  
2. Disconnect the air and fluid hoses. Remove the  
pump from its mounting. Note the relative position  
of the pump’s fluid outlet (R) to the air motor’s air  
inlet (S).  
106  
3. Unscrew the tie rod locknuts (112) from the tie  
rods (102). Remove the cotter pin (109). Unscrew  
the displacement rod (1) from the air motor (106).  
Carefully pull the displacement pump (101) away  
from the air motor (106). Inspect the o-ring (105).  
See Fig. 3.  
107  
4. Refer to page 15 for displacement pump service.  
To service the air motor, refer to the separate air  
motor manual (306982 or 307043), supplied.  
S
Reconnecting the Displacement Pump  
102  
1
105  
1
2
1. Lubricate the o-ring (105) and check that it is in  
place on the displacement rod (1). Orient the  
pump’s fluid outlet (R) to the air motor’s air inlet  
(S) as was noted in step 2 under Disconnecting  
the Displacement Pump. Position the displace-  
ment pump (101) on the tie rods (102). Screw the  
locknuts (112) onto the tie rods (102) loosely. See  
Fig. 3.  
109  
14  
112  
1
2. Screw the displacement rod (1) into the shaft of  
the air motor (106) until the pin holes in the rod  
and shaft align. Install the cotter pin (109).  
R
3. Mount the pump and reconnect all hoses. Recon-  
nect the ground wire if it was disconnected during  
repair. Tighten the packing nut/wet-cup (14) so it is  
just snug – no tighter. Fill the wet-cup with Graco  
Throat Seal Liquid or compatible solvent.  
33  
34  
4. Tighten the tie rod locknuts (112) evenly, and  
torque as shown in Fig. 3.  
101  
5. Start the pump and run it at about 40 psi (280 kPa,  
2.8 bar) air pressure, to check that it is operating  
properly.  
6. Check for fluid leakage at the packing nut/wet-cup  
(14). Relieve the pressure before tightening the  
packing nut/wet-cup.  
0199B  
Fig. 3  
14 308118  
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Service  
5. Loosen the packing nut (14), then pull the dis-  
Displacement Pump Service  
placement rod (1) and connecting rod (8) out the  
bottom of the outlet housing (5).  
Disassembly  
When disassembling the pump, lay out all removed  
parts in sequence to ease reassembly. See Fig. 4.  
6. Secure the flats of the displacement rod (1) in a  
vise. Unscrew the coupling nut (7) from the dis-  
placement rod. Remove the connecting rod (8) and  
attached parts.  
NOTES  
D Standard Repair Kit 224403 (UHMWPE/PTFE  
packings) is available. For the best results, use all  
the new parts in the kit. Parts included in the kit are  
denoted with one asterisk, for example (2*).  
7. Place the flats of the piston mounting stud (13) in a  
vise. Loosen the jam nut (9) and unscrew the  
adapter (10) from the piston mounting stud (13).  
Set the connecting rod (8) aside. Remove one  
cotter pin (12) and the ball stop pin (11), taking not  
which set of holes it is in. Then remove the ball  
(16).  
D
C
o
n
v
e
r
s
i
o
n
K
i
t
2
2
4
8
8
9
i
s
a
v
a
i
l
a
b
l
e
t
o
c
o
n
v
e
r
t
t
h
e
pump to all PTFE packings. See page 18.  
D Clean all the parts thoroughly when disassembling.  
Check them carefully for damage or wear, replacing  
parts as needed.  
8. Unscrew the piston stud (27) from the piston  
mounting stud (13). Remove the piston packings  
(29, 30), glands (28, 31) , shims (35), and washer  
(26).  
1. Remove the displacement pump from the air motor  
as explained on page 14.  
2. Unscrew the locking ring (20) from the cylinder  
(15). See Fig. 4. Remove the intake valve housing  
(21).  
9. Remove the packing nut (14), throat packings (3,  
25), and glands (2, 4) from the outlet housing (5).  
3. Remove the o-ring (19), ball stop pin (17), and ball  
(18) from the intake valve housing (21).  
10. Inspect all parts for damage. Clean all parts and  
threads with a compatible solvent before reassem-  
bling. Inspect the polished outer surface of the  
displacement rod (1) and inner surface of the  
cylinder (15) for scratches, scoring, or other dam-  
age, which can cause premature packing wear and  
leaking. To check, run a finger over the surface or  
hold the part up to the light at an angle. Be sure  
the ball seats of the piston (27) and intake valve  
housing (21) are not chipped or nicked. Replace  
any worn or damaged parts.  
4. Unscrew the cylinder (15) from the outlet housing  
(5), note its orientation and carefully pull the cylin-  
der off the pump. Remove the o-ring (6) from the  
outlet housing.  
NOTE: It is important to replace the cylinder in the  
same orientation as both ends are NOT alike.  
Failure to install correctly may result in failure of  
pump or premature seal wear. For instructions on  
how to verify correct orientation, see NOTE in step  
7 on page 16.  
308118  
15  
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Service  
5. Place the flats of the displacement rod (1) in a  
Displacement Pump Service  
vise. Apply thread lubricant to the bottom threads  
of the rod. Couple the connecting rod (8) to the  
displacement rod with the coupling nut (7). TIghten  
the nut securely.  
Reassembly  
1. Lubricate the throat packings and install them in  
the outlet housing (5) one at a time as follows, with  
the lips of the v-packings facing down: the male  
gland (4*), one UHMWPE v-packing (3*), two  
PTFE v-packings (25*), one UHMWPE v-packing  
(3*), and the female gland (2*). Apply thread  
lubricant to the packing nut (14), and screw it  
loosely into the outlet housing. See Fig. 4.  
6. Place the o-ring (6) into the outlet housing (5).  
Slide the displacement rod and connecting rod  
assembly up into the outlet housing (5) until the  
displacement rod protrudes from the packing nut  
(14).  
2. Lubricate the piston packings and install them on  
the piston stud (27) one at a time in the following  
order, with the lips of the v-packing facing up: the  
shims (35; use 0–3 as required), the female gland  
(31*), one UHMWPE v-packing (30*), two PTFE  
v-packings (29*), one UHMWPE v-packing (30*),  
the male gland (28*), and the washer (26*). See  
Fig. 4.  
NOTE: Before replacing the pump cylinder, note its  
orientation. Failure to install correctly may result in  
failure of pump or premature seal wear. Inspect the  
inner diameter of both ends of the cylinder for  
smoothness and size. The rougher and larger end  
should mate with the outlet housing (5) upon  
reassembly.  
3. Apply thread sealant and screw the piston stud  
(27) onto the piston mounting stud (13). Torque to  
50–70 ft-lb (68–95 NSm). Install the piston ball  
(16*) on the piston seat. Slide the ball stop pin  
(11*) into the desired set of holes, and secure with  
the cotter pin (12*).  
7. Apply thread lubricant to the top threads of the  
cylinder (15). Slide the cylinder straight up over the  
connecting rod (8) and displacement rod (1), being  
careful not to scratch the cylinder by tilting it.  
Screw the cylinder into the outlet housing (5).  
4. Check that the coupling nut (7), jam nut (9) and  
adapter (10) are in place on the connecting rod (8).  
The bottom of the adapter (10) should be flush  
with the end of the rod (8); tighten the jam nut (9)  
down securely to lock these parts. Apply thread  
sealant to the male threads of the adapter (10).  
Screw the piston mounting stud (13) onto the  
connecting rod adapter (10), and torque to 50–70  
ft-lb (68–95 NSm).  
8. Install the ball (18*), o-ring (19) and ball stop pin  
(17*) in the intake valve housing (21). Apply thread  
lubricant to the bottom threads of the cylinder (15).  
Place the intake valve assembly in the locking ring  
(20), and screw the ring onto the cylinder (15).  
9. Reconnect the displacement pump to the motor as  
explained on page 14.  
16 308118  
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Service  
Apply sealant and torque to  
1
2
50–70 ft-lb (68–95 NSm)  
14  
5
Apply thread lubricant  
2
SEE DETAIL A  
1
6
DETAIL A: THROAT PACKINGS  
2
14  
7
5
15  
8
2*  
3*  
25*  
224349 Shown  
3*  
4*  
LIPS OF  
V–PACKINGS  
MUST FACE  
DOWN  
DETAIL B: PISTON PACKINGS  
13  
*26  
9
*28  
*29  
*30  
10  
1
1
*29  
*31  
35  
12*  
11*  
256712 Base  
13  
SEE DETAIL B  
36  
37  
*16  
27  
27  
1
LIPS OF V–PACKINGS  
MUST FACE UP  
17*  
38  
39  
2
20  
r_254999_308118_1c  
19  
21  
*18  
0193B  
Fig. 4  
308118  
17  
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Parts  
Model 224348, Series C  
10:1 Ratio Presidentr Pump  
Model 256713, Series A  
10:1 Ratio Presidentr Pump (1.5 in. Female Inlet)  
Includes items 101–112  
REF PART  
NO. NO.  
DESCRIPTION  
QTY  
101 224349}  
DISPLACEMENT PUMP ASSY  
See pages 20 and 21 for parts  
1
256712*  
DISPLACEMENT PUMP ASSY, 1.5 in.  
female inlet  
See pages 20 and 21 for parts  
ROD, tie; stainless steel;  
3.5” (89 mm) shoulder–to–shoulder  
SEAL, o–ring; nitrile rubber  
AIR MOTOR  
1
102 166237  
106  
3
1
105† 156082  
106 207352  
See manual 306982 for parts  
ADAPTER, swivel; 1/2 npt(m) x  
3/8 npsm(f)  
PIN, cotter; stainless steel;  
0.12” (3.2 mm) x 1.5” (3.8 mm)  
NUT, lock; 3/8–16; stainless steel  
1
1
107 158256  
109† 101946  
112 102021  
1
3
{
Recommended “tool box” spare parts. Keep on hand to re-  
duce downtime.  
107  
}
For 224348 assembly  
For 256713 assembly  
*
105†  
102  
109†  
112  
101  
224348 shown  
0199B  
18 308118  
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Parts  
Model 224350, Series C  
5:1 Ratio Monarkr Pump  
Model 256714, Series A  
5:1 Ratio Monarkr Pump (1.5 in. Female Inlet)  
Includes items 101–112  
REF PART  
NO. NO.  
DESCRIPTION  
QTY  
101 224349}  
256712*  
DISPLACEMENT PUMP ASSY  
See pages 20 and 21 for parts  
1
DISPLACEMENT PUMP ASSY, 1.5 in.  
female inlet  
See pages 20 and 21 for parts  
ROD, tie; stainless steel;  
3.5” (89 mm) shoulder–to–shoulder  
SEAL, o–ring; nitrile rubber  
AIR MOTOR  
See manual 307043 for parts  
PIN, cotter; stainless steel;  
0.12” (3.2 mm) x 1.5” (3.8 mm)  
NUT, lock; 3/8–16; stainless steel  
1
102 24B189  
3
1
105† 156082  
106 205997  
106  
1
109† 101946  
112 102021  
1
3
Recommended “tool box” spare parts. Keep on hand to re-  
duce downtime.  
}
For 224350 assembly  
For 256714 assembly  
*
105†  
109†  
102  
112  
101  
224350 shown  
0201B  
308118  
19  
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Parts  
Model 224349, Series C  
Severe–Duty, Stainless Steel Displacement Pump  
Model 256712, Series A  
Severe–Duty, Stainless Steel Displacement Pump (1.5 in. Female Inlet)  
Includes items 1–34  
9
14  
10  
13  
*2  
11*  
*3  
*25  
*3  
12*  
26*  
224349 Shown  
*4  
5
28*  
30*  
29*  
30*  
31*  
35  
16*  
27  
†6  
1
33  
34  
15  
256712 Base  
8
36  
37  
38  
19†  
18*  
21  
17*  
7
39  
20  
r_254999_308118_2c  
0192B  
20 308118  
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Parts  
Model 224349, Series C  
Severe–Duty, Stainless Steel Displacement Pump  
Includes items 1–35  
Model 256712, Series A  
Severe–Duty, Stainless Steel Displacement Pump (1.5 in. Female Inlet)  
Includes items 1–16, 22–39  
REF PART  
NO. NO.  
OPTIONAL PTFE PACKING CONVERSION KIT  
224889  
DESCRIPTION  
QTY  
1
24C506  
186988  
176639  
186987  
192188  
164782  
166033  
206449  
166037  
ROD, displacement; stainless steel  
1
Use to convert the pump to all PTFE packings. Kit  
must be purchased separately. Includes the following  
items:  
2*  
3*  
4*  
5
GLAND, throat, female; stainless steel 1  
V–PACKING, throat; UHMWPE  
GLAND, throat, male; stainless steel  
HOUSING, outlet; stainless steel  
O–RING; PTFE  
2
1
1
1
1
1
6†  
Part No.  
Description  
Qty.  
7
NUT, coupling  
8
ROD, connecting; stainless steel  
NUT, jam; 5/8–11 unc–2b;  
stainless steel  
100063  
PIN, cotter; 1/16 in. x 1/2 in.;  
stainless steel  
9
2
4
1
10  
166036  
ADAPTER, connecting rod;  
stainless steel  
162866  
162947  
V-PACKING; PTFE  
PIN, ball stop, intake;  
1
1
11* 176637  
12* 100063  
PIN, ball stop, piston; stainless steel  
stainless steel  
1
1
1
1
4
1
1
1
3
PIN, cotter; 1/16” x 1/2”; stainless steel 2  
STUD, mounting, piston;  
13  
14  
15  
176644  
186995  
24C504  
186987  
186988  
176634  
176635  
176637  
186989  
186990  
190484  
GLAND, throat, male; stainless steel  
GLAND, throat, female; stainless steel  
WASHER, piston; stainless steel  
V-PACKING, piston; PTFE  
PIN, ball stop, piston; stainless steel  
GLAND, piston, female; stainless steel  
GLAND, piston, male; stainless steel  
SHIM (use as required)  
stainless steel  
1
PACKING NUT/WET–CUP;  
stainless steel  
1
1
CYLINDER; stainless steel  
BALL, piston; stainless steel;  
0.875” (22 mm) dia.  
16* 101917  
1
1
17* 162947  
18* 101968  
PIN, ball stop, intake; stainless steel  
BALL, intake; stainless steel;  
1.25” (31 mm) dia.  
1
1
1
19† 164846  
20  
21  
O–RING; PTFE  
164630  
186991  
RING, locking; stainless steel  
HOUSING, valve, intake;  
stainless steel  
1
2
1
1
1
2
2
25* 162866  
26* 176634  
27  
V–PACKING, throat; PTFE  
WASHER, piston; stainless steel  
STUD, piston; stainless steel  
GLAND, piston, male; stainless steel  
V–PACKING, piston; PTFE  
V–PACKING, piston; UHMWPE  
186993  
28* 186990  
29* 176635  
30* 176638  
31* 186989  
GLAND, piston, female; stainless steel 1  
BUNG ADAPTER  
32  
205573  
Includes items 33 and 34  
. THUMBSCREW; 1/4–20 unc x  
1.5” (3.8 mm) long  
1
33  
101961  
1
1
3
1
1
1
1
34  
35  
36  
37  
38  
39  
205572  
190484  
C38225  
15J577  
101178  
15J574  
. ADAPTER, bung; stainless steel  
SHIM  
PACKING, o–ring  
RETAINER, ball, foot valve  
BALL, metallic  
HOUSING, valve, intake  
*
The replacements for these parts are available in Standard  
Repair Kit 224403 (UHMWPE/PTFE packings). Purchase  
the kit separately.  
Recommended “tool box” spare parts. Keep on hand to re-  
duce downtime.  
308118  
21  
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Technical Data (10:1 President)  
Category  
Data  
Maximum fluid working pressure  
Maximum air input pressure  
Pump cycles per 1 gallon (3.8 liters)  
Fluid flow at 60 cpm  
1800 psi (12.4 MPa, 124 bar)  
180 psi (1.25 MPa, 12.5 bar)  
20  
3 gallon (11.4 liters)  
Recommended speed for optimum  
pump life  
15–25 cycles/min;  
0.75–1.25 gpm (2.84 to 4.73 liters/min)  
3
Air consumption  
approx. 15 scfm (0.42 m /min) at 1 gpm (3.8 liters/min)  
at 100 psi (0.7 MPa, 7 bar) air pressure  
Weight  
approx. 43 lb (19.5 kg)  
Wetted parts  
AISI 302, 303, 304, 316, and 17–4 PH grades of Stainless Steel;  
Chrome Plating; PTFE; Ultra-High Molecular Weight Polyethylene  
22 308118  
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Technical Data (10:1 President)  
Fluid Outlet Pressure Chart  
CPM  
MPa, BAR PSI  
20  
40  
60  
80  
100  
1800  
1600  
1400  
1200  
12.5, 125  
11.0, 110  
9.6, 96  
A
B
C
D
1.25 MPa, 12.5 bar (180 psi) air pressure  
0.7 MPa, 7 bar (100 psi) air pressure  
0.49 MPa, 4.9 bar (70 psi) air pressure  
0.28 MPa, 2.8 bar (40 psi) air pressure  
A
To find Outlet Pressure (MPa/bar/psi) at a specific  
delivery (liter/min or gpm) and operating air pressure  
(MPa/bar/psi):  
1. Locate desired delivery along bottom of chart.  
2. Read vertical line up to intersection with  
selected fluid outlet pressure curve.  
8.4, 84  
7.0, 70 1000  
800  
4.2, 42 600  
B
C
D
5.6, 56  
Curve slopes from left to right.  
Follow left to scale and read outlet pressure.  
400  
200  
0
2.8, 28  
1.4, 14  
0
1
3.8  
2
7.6  
3
11.4  
4
15.2  
5
19.0  
GPM  
l/min  
PUMP DELIVERY (Test Fluid: No. 10 Motor Oil)  
Air Consumption Chart  
CPM  
3
m /min CFM  
20  
40  
60  
80  
100  
A
B
C
D
1.25 MPa, 12.5 bar (180 psi) air pressure  
0.7 MPa, 7 bar (100 psi) air pressure  
0.49 MPa, 4.9 bar (70 psi) air pressure  
0.28 MPa, 2.8 bar (40 psi) air pressure  
100  
80  
60  
40  
20  
0
2.800  
2.240  
1.68  
3
To find Pump Air Consumption (m /min or  
CFM/min) at a specific delivery (liter/min or gpm)  
and operating air pressure (MPa/bar/psi):  
1. Locate desired delivery along bottom of chart.  
2. Read vertical line up to intersection with  
selected air consumption curve.  
A
Curve slopes from right to left. Follow left to  
scale and read air consumption.  
B
C
1.12  
D
0.56  
0
1
2
3
4
5
GPM  
l/min  
3.8  
7.6  
11.4  
15.2 19.0  
PUMP DELIVERY (Test Fluid: No. 10 Motor Oil)  
308118  
23  
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Technical Data (5:1 Monark)  
Category  
Data  
Maximum fluid working pressure  
Maximum air input pressure  
Pump cycles per 1 gallon (3.8 liters)  
Fluid flow at 60 cpm  
900 psi (6.3 MPa, 63 bar)  
180 psi (1.25 MPa, 12.5 bar)  
24  
2.5 gallon (9.46 liters)  
Recommended speed for optimum  
pump life  
15–25 cycles/min;  
0.63–1.04 gpm (2.38 to 3.94 liters/min)  
3
Air consumption  
approx. 8.2 scfm (0.23 m /min) at 1 gpm (3.8 liters/min)  
at 100 psi (0.7 MPa, 7 bar) air pressure  
Weight  
approx. 30 lb (13.6 kg)  
Wetted parts  
AISI 302, 303, 304, 316, and 17–4 PH grades of Stainless Steel;  
Chrome Plating; PTFE; Ultra-High Molecular Weight Polyethylene  
24 308118  
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Technical Data (5:1 Monark)  
Fluid Outlet Pressure Chart  
CPM  
MPa, BAR PSI  
5.6, 56 800  
24  
48  
72  
96  
120  
A
B
C
D
1.25 MPa, 12.5 bar (180 psi) air pressure  
0.7 MPa, 7 bar (100 psi) air pressure  
0.49 MPa, 4.9 bar (70 psi) air pressure  
0.28 MPa, 2.8 bar (40 psi) air pressure  
A
600  
400  
200  
0
4.2, 42  
2.8, 28  
To find Outlet Pressure (MPa/bar/psi) at a specific  
delivery (liter/min or gpm) and operating air pressure  
(MPa/bar/psi):  
1. Locate desired delivery along bottom of chart.  
2. Read vertical line up to intersection with  
selected fluid outlet pressure curve.  
B
Curve slopes from left to right.  
Follow left to scale and read outlet pressure.  
1.4, 14  
C
D
0
1
3.8  
2
7.6  
3
11.4  
4
15.2  
5
19.0  
GPM  
l/min  
PUMP DELIVERY (Test Fluid: No. 10 Motor Oil)  
Air Consumption Chart  
CPM  
3
m /min CFM  
24  
48  
72  
96  
120  
A
B
C
D
1.25 MPa, 12.5 bar (180 psi) air pressure  
0.7 MPa, 7 bar (100 psi) air pressure  
0.49 MPa, 4.9 bar (70 psi) air pressure  
0.28 MPa, 2.8 bar (40 psi) air pressure  
40  
32  
24  
16  
8
1.120  
0.896  
0.672  
0.448  
0.224  
A
3
To find Pump Air Consumption (m /min or  
CFM/min) at a specific delivery (liter/min or gpm)  
and operating air pressure (MPa/bar/psi):  
1. Locate desired delivery along bottom of chart.  
2. Read vertical line up to intersection with  
selected air consumption curve.  
B
C
Curve slopes from right to left. Follow left to  
scale and read air consumption.  
D
0
0
1
2
3
4
5
GPM  
l/min  
3.8  
7.6  
11.4  
15.2 19.0  
PUMP DELIVERY (Test Fluid: No. 10 Motor Oil)  
308118  
25  
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Dimensions  
Mounting Hole  
Layout  
Model 224348 Shown  
USE GASKET 166392  
(ORDER SEPARATELY)  
B
0.28” (7.1 mm) DIA.  
4.38”  
(111.3 mm)  
DIA.  
Model 224348:  
3/8 npsm(f);  
Model 224350:  
3/8 npt(f)  
AIR INLET  
2.5”  
(64 mm)  
5.0”  
(127 mm)  
0775  
A
3/4 npt(f)  
FLUID OUTLET  
C
34.75 in.  
(883 mm)  
MAXIMUM  
0200A  
0200A  
Pump Model  
224348  
A
B
C
57.31 in.  
14.63 in.  
42.68 in.  
(1456 mm)  
(372 mm)  
(1084 mm)  
256713  
224350  
256714  
58.19 in.  
(1478 mm)  
14.63 in.  
(372 mm)  
43.56 in.  
(1106 mm)  
54.28 in.  
11.60 in.  
42.68 in.  
(1379 mm)  
(295 mm)  
(1084 mm)  
55.16 in.  
11.60 in.  
43.56 in.  
(1401 mm)  
(295 mm)  
(1106 mm)  
26 308118  
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Notes  
308118  
27  
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Graco Standard Warranty  
Graco warrants all equipment 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 sub-  
stitution 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 reconnais-  
sent 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 procedures concernées.  
Graco Information  
patents.  
TO PLACE AN ORDER, contact your Graco distributor or call to identify the distributor closest to you:  
Phone: 612–623–6921 or Toll Free: 1–800–328–0211 Fax: 612–378–3505  
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 308118  
Graco Headquarters: Minneapolis  
International Offices: Belgium, China, Japan, Korea  
GRACO INC. AND SUBSIDIARIES  
S
P.O. BOX 1441  
S
MINNEAPOLIS, MN 55440–1441  
S
USA  
Copyright 1991, Graco Inc. All Graco manufacturing locations are registered to ISO 9001.  
Revised February 2013  
28 308118  
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