Graco Series A User manual


Model 217–527 Shown
INSTRUCTIONS–PARTS LIST 307–728
Rev. S
Supersedes R
Displacement Pump
FOR BULLDOG, KING, SENATORAND
VISCOUNTPUMPS, AND GH 733 SPRAYER
4500 psi (315 bar) Maximum Working Pressure
Part No. 217–527, Series E
Severe-Duty Pump*, with UHMWPE and leather packings
Part No. 237–406, Series A
Severe-Duty Pump*, with PTFE packings 
Part No. 224–435, Series B
Severe-Duty Pump*, with leather packings
Part No. 223–584, Series C
Severe-Duty Pump*, with leather packings and
Stainless Steel Glands, Intake Housing, Piston V alve and Ball Stop
* Severe-Duty Displacement Pumps have an abrasion
and corrosion-resistant displacement rod and cylinder.
Refer to T echnical Data on the back cover for
W etted Parts information.
Table of Contents
Warnings 2–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service/Parts List
Models 217–527 and 237–406 5–7. . . . . . . . . . . . . .
Models 224–435 and 223–584 8–11. . . . . . . . . . . . .
Accessories 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Data Back Cover . . . . . . . . . . . . . . . . . . . . . . . .
Warranty Back Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Graco Phone Numbers Back Cover . . . . . . . . . . . . . . . . .
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
COPYRIGHT 1985, GRACO INC.
This manual contains important
warnings and information.
READ AND RETAIN FOR REFERENCE

 
WARNINGS
High Pressure Spray Can Cause Serious Injury . For Professional Use Only.
Observe All W arnings. Read and understand all instruction manuals before operating equipment.
FLUID INJECTION HAZARD
General Safety
This equipment generates very high fluid pressure. Spray
from the gun/dispensing valve, leaks or ruptured components
can inject fluid through your skin and into your body and
cause extremely serious bodily injury , including the need for
amputation. Also, fluid injected or splashed into the eyes or
on the skin can cause serious damage.
Never point the spray gun/dispensing valve at anyone or at
any part of the body . Never put hand or fingers over the spray
tip/nozzle. Never try to “blow back” paint; this is not an air
spray system.
Always have the tip guard in place on the spray gun when
spraying.
Always follow the Pressure Relief Procedure , right, before
cleaning or removing the spray tip/nozzle or servicing any
system equipment.
Never try to stop or deflect leaks with your hand or body .
Be sure equipment safety devices are operating properly
before each use.
Medical Alert – Airless Spray W ounds
If any fluid appears to penetrate your skin, get emergency
medical care at once. Do not treat as a simple cut. T ell the
doctor exactly what fluid was injected.
NOTE TO PHYSICIAN: Injection into the skin is a traumatic
injury. It is important to treat the injury surgically as soon
as possible. Do not delay treatment to research toxicity . T ox-
icity is a concern with some exotic coatings injected directly
into the blood stream. Consultation with a plastic surgeon or
reconstructive hand surgeon may be advisable.
Spray Gun/Dispensing V alve Safety Devices
Be sure all spray gun/dispensing valve safety devices are
operating properly before each use. Do not remove or modify
any part of the spray gun/dispensing valve; this can cause a
malfunction and result in serious bodily injury .
Safety Latch
Whenever you stop spraying/dispensing, even for a moment,
always set the safety latch in the closed or “safe” position,
making the spray gun/dispensing valve inoperative. Failure to
set the safety latch can result in accidental triggering of the
spray gun/dispensing valve.
Trigger Guard (if so equipped)
Never operate the spray gun/dispensing valve with the trigger
guard removed. This guard helps prevent the gun/dispensing
valve from triggering accidentally if it is dropped or bumped.
Diffuser (only on spray guns)
The spray gun dif fuser breaks up spray and reduces the risk
of fluid injection when the tip is not installed. Check the dif -
fuser operation regularly . Follow the Pressure Relief Proce -
dure
, below , then remove the spray tip. Aim the spray gun
into a grounded metal pail, holding the spray gun firmly to the
pail. Using the lowest possible pressure, trigger the spray
gun. If the fluid emitted is not dif fused into an irregular stream,
replace the dif fuser immediately .
Tip Guard (only on spray guns)
Always have the tip guard in place on the spray gun while
spraying. The tip guard alerts you to the fluid injection hazard
and helps reduce, but does not prevent , the risk of acciden -
tally placing your fingers or any part of your body close to the
spray tip.
Spray T ip/Nozzle Safety
Use extreme caution when cleaning or changing spray tips/
nozzles. If the spray tip/nozzle clogs while spraying/dispens -
ing, engage the safety latch immediately . Always follow the
Pressure Relief Procedure and then remove the spray tip/
nozzle to clean it.
Never wipe of f build-up around the spray tip/nozzle until pres -
sure is fully relieved and the safety latch is engaged.
Pressure Relief Procedure
To reduce the risk of serious bodily injury , including fluid injec -
tion, splashing in the eyes or on the skin, or injury from mov -
ing parts, always follow this procedure whenever you shut of f
the pump, when checking or servicing any part of the spray/
dispensing system, when installing, cleaning or changing
spray tips/nozzles, and whenever you stop spraying/dispens -
ing.
1.
Engage the spray gun/dispensing valve safety latch.
2. Shut of f the air or hydraulic fluid to the pump.
3. Close the bleed-type master air valve (required in air-
powered systems).
4.
Disengage the spray gun/dispensing valve safety latch.
5. Hold a metal part of the spray gun/dispensing valve
firmly to the side of a grounded metal pail, and trigger the
gun/dispensing valve to relieve pressure.
6. Engage the spray gun/dispensing valve safety latch.
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/nozzle or hose is completely
clogged, or that pressure has not been fully relieved after
following the steps above, very slowly loosen the retaining
nut or hose end coupling and relieve pressure gradually , then
loosen completely . Now clear the tip/nozzle or hose.

 
EQUIPMENT MISUSE HAZARD
General Safety
Any misuse of the spray/dispensing equipment or accesso -
ries, such as overpressurizing, modifying parts, using incom -
patible chemicals and fluids, or using worn or damaged parts,
can cause them to rupture and result in fluid injection, splash -
ing in the eyes or on the skin, or other serious bodily injury , or
fire, explosion or property damage.
Never alter or modify any part of this equipment; doing so
could cause it to malfunction.
Check all spray/dispensing equipment regularly and repair or
replace worn or damaged parts immediately .
Always wear protective eyewear
, gloves, clothing and respi -
rator as recommended by the fluid and solvent manufacturer .
System Pressure
The maximum safe working pressure is determined by the air
or hydraulic motor. Do not exceed the maximum working
pressure stated on your complete pump.
Be sure that all spray equipment and accessories are rated to
withstand the maximum working pressure of the pump. Do
not exceed the maximum working pressure of any compo -
nent or accessory used in the system.
Fluid Compatibility
Be sure that all fluids and solvents used are chemically com -
patible with the wetted parts shown in the T echnical Data on
the back cover . Always read the manufacturer ’ s literature
before using fluid or solvent in this pump.
FIRE OR EXPLOSION HAZARD
Static electricity is created by the high velocity flow of fluid
through the pump and hose. If every part of the spray/dis -
pensing equipment is not properly grounded, sparking may
occur , and the system may become hazardous. Sparking
may also occur when plugging in or unplugging a power sup -
ply cord. Sparks can ignite fumes from solvents and the fluid
being sprayed/dispensed, dust particles and other flammable
substances, whether you are spraying/dispensing indoors or
outdoors, and can cause a fire or explosion and serious bod -
ily injury and property damage. Do not plug in or unplug any
power supply cords in the spray/dispensing area when there
is any chance of igniting fumes still in the air .
If you experience any static sparking or even a slight shock
while using this equipment, stop spraying/dispensing im -
mediately.
Check the entire system for proper grounding. Do
not use the system again until the problem has been identi -
fied and corrected.
Grounding
T o reduce the risk of static sparking, ground the pump and all
other spray/dispensing equipment used or located in the
spray/dispensing area. Check your local electrical code for
detailed grounding instructions for your area and type of
equipment. Be sure to ground all of this spray/dispensing
equipment:
1. Pump: Ground the complete pump as indicated in your
separate pump instruction manual.
2. Air or hydraulic hoses: use only grounded hoses.
3. Fluid hoses: use only grounded fluid hoses.
4. Air compressor or hydraulic supply: follow manufactur -
er’
s recommendations.
5. Spray gun/dispensing valve: grounding is obtained
through connection to a properly grounded fluid hose
and pump.
6. Fluid supply container: according to your local code.
7. Object being sprayed: according to your local code.
8. 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
nonconductive surface, such as paper or cardboard,
which interrupts the grounding continuity .
9.
T o maintain grounding continuity when flushing or reliev -
ing pressure , always hold a metal part of the spray gun/
dispensing valve firmly to the side of a grounded
metal
pail, then trigger the spray gun/dispensing valve.
Flushing Safety
Before flushing, be sure the entire system and flushing pails
are properly grounded. Refer to Grounding , at the left.
Follow the Pressure Relief Procedure on page 2, and
remove the spray tip/nozzle from the spray gun/dispensing
valve. Always use the lowest possible fluid pressure, and
maintain firm metal-to-metal contact between the spray
gun/dispensing valve and the pail during flushing to reduce
the risk of fluid injection injury , static sparking and splashing.
MOVING P ARTS HAZARD
Moving parts can pinch or amputate your fingers or other
body parts. In air-powered systems, the air motor piston (lo -
cated behind the air motor shield) moves when air is supplied
to the motor . Therefore, never operate the pump with the air
motor shield removed. Keep clear of moving parts when start -
ing
or operating the pump. Before checking or servicing the
pump, follow the Pressure Relief Procedure on page 2 to
prevent the pump from starting accidentally .

4 307-728
HOSE SAFETY
High pressure fluid in the hoses can be very dangerous. If the
hose develops a leak, split or rupture due to any kind of wear ,
damage or misuse, the high pressure spray emitted from it
can cause a fluid injection injury or other serious bodily injury
or property damage.
All fluid hoses must have spring guards on both ends!
The spring guards help protect the hose from kinks or bends
at or close to the coupling which can result in hose rupture.
T ighten all fluid connections securely before each use. High
pressure fluid can dislodge a loose coupling or allow high
pressure spray to be emitted from the coupling.
Never use a damaged hose. Before each use, check the en -
tire hose for cuts, leaks, abrasion, bulging cover , or damage
or movement of the hose couplings. If any of these conditions
exist, replace the hose immediately . Do not try to recouple
high pressure hose or mend it with tape or any other device.
A repaired hose cannot safely contain the high pressure fluid.
Handle and route hoses carefully . Do not pull on hoses to
move equipment. Do not use fluids which are not compatible
with the inner tube and cover of the hose. Do not expose
Graco hoses to temperatures above 180  F (82  C) or below
–40 F (–40 C).
Hose Grounding Continuity
Proper hose grounding continuity is essential to maintaining a
grounded spray/dispensing system. Check the electrical re -
sistance of your air and fluid hoses at least once a week. If
your hose does not have a tag on it which specifies the maxi -
mum electrical resistance, contact the hose supplier or manu -
facturer for the maximum resistance limits. Use a resistance
meter in the appropriate range for your hose to check the
resistance. If the resistance exceeds the recommended lim -
its, replace it immediately . An ungrounded or poorly grounded
hose can make your system hazardous. Also, read FIRE OR
EXPLOSION HAZARD
, on page 3.
IMPORTANT
United States Government safety standards have been adopted under the Occupational Safety and Health Act. These standards
– particularly the General Standards, Part 1910, and the Construction Standards, Part 1926 – should be consulted.

307-728 5
Service
MODELS 217–527 & 237–406
Disassembly
NOTE: Packing Repair Kit 220–395 is available for
Model 217–527. See the parts list on page 7. For the
best results, use all the new parts in the kit, even if the
old ones look good. An asterisk behind a reference
number , for example (9*), indicates that this part is in -
cluded in the repair kit. For Model 237–406, keep the
parts marked with a check (9  ) on hand to reduce
downtime. Refer to the parts list on page 7.
1. Solvent flush the pump, if possible. Follow the
Pressure Relief Procedure on page 2, then dis -
connect all hoses from the pump.
2. Loosen the packing nut (2). Disconnect the dis -
placement pump from the motor (see your sepa -
rate pump manual).
3. Screw the intake valve housing (4) out of the pump
housing (1). See Fig. 1. Note which set of holes
the ball stop pin (1 1) is in, then disassemble and
clean the parts of the valve.
4. Push down on the displacement rod (22) until the
piston (3) flats clear the pump housing (1). Pull the
piston and displacement rod assembly straight out
of the pump housing, being careful not to damage
the rod or housing.
5. Unscrew the piston, and remove the ball, washer ,
v-packings and glands.
6. Remove the packing nut/wet-cup (2). Remove the
v-packings and glands from the pump throat.
7. Clean all parts thoroughly , and check for wear ,
scratches or other damage. Be sure the ball seats
of the piston (3) and intake valve housing (4) are
not chipped or nicked. Replace any worn or dam -
aged parts to ensure that the pump will not leak.
Scoring or irregular surfaces on the displacement
rod (22) or polished inner wall of the sleeve (14)
can cause premature packing wear and leaking.
Check these parts by rubbing a finger on the sur -
faces or by holding the parts up to the light at an
angle. If either is worn or scratched, replace it.
NOTE: If replacing the sleeve, be sure to install it with
the tapered end down toward the pump inlet, and also
replace the gasket (15*). If the sleeve is hard to re
-
move, contact Graco T echnical Assistance (see back
page).
02525
Fig. 1
1
3
4
2
2
14
11
4
12
13
16
22
1
3
*29
*6
*15
7*
9*
29*
See detail in Fig. 2.
See detail in Fig. 3.
Apply thread sealant and torque to
150–175 ft–lb (203–237 N.m).
T orque to 80–100 ft–lb (108–136 N.m).
1
2
3
4

6 307-728
Service
MODELS 217–527 & 237–406
Reassembly
1. Lubricate the packings with a lightweight grease
for easier assembly .
2. Remove the shims from one of the packing stacks
(29*) and install the stack in the throat of the pump
housing. Be sure the lips of the v-packings face
down in the throat. See Fig. 2.
3. Loosely install the packing nut/wet-cup (2).
4. Install the other packing stack (29*) on the piston
(3). Do not disassemble the stack. Be sure the
lips of the v-packings face up on the piston. See
Fig. 3.
5. Place the washer (16) and ball (6*) on the piston,
apply thread sealant to the piston threads, and
screw the piston assembly into the displacement
rod (22). T orque to 150–175 ft–lb (203–237 N.m).
See Fig. 1.
6. Lubricate the displacement rod (22). Carefully
guide the rod into the bottom of the pump housing
(1), and push it up through the throat packings.
7. Install the o-ring (9*) and retainer (12) on the in -
take valve housing (4). Install the ball (7*), ball
guide (13), and ball stop pin (1 1) in the intake valve
housing. Be sure the pin (1 1) is in the desired set
of holes. Refer to Check V alve Adjustment.
Screw the assembly into the pump housing (1).
T orque to 80–100 ft–lb (108–136 N.m).
8. Reconnect the displacement pump to the motor
(see your separate pump manual). Reconnect the
ground wire if it was disconnected during repair .
9.
Follow the Pressure Relief Procedure on page
2. T ighten the throat packing nut (2) just enough
to prevent leakage, but no tighter
. Use the wrench
supplied with the complete pump. Fill the wet-cup
half full with TSL or compatible solvent.
Check V alve Adjustment
The intake check valve is set for high flow rates or high
viscosity fluids. T o set the valve for lighter viscosity
fluids or a lower flow rate, to minimize surging at pump
stroke changeover , move the ball stop pin (1 1) to the
lower set of holes, decreasing the check ball travel. T o
adjust the piston check valve for use with very light
viscosity fluids, refer to Accessories on page 1 1.
Fig. 2
1
2
Lips
of v-packings must face down.
*29
Detail of Throat Gland/Packing Stack
02523
2
1
Remove shims from packing stack before
installing in throat.
1 2
Fig. 3
02523
16
3
1
2
Lips
of v-packings must face up.
Detail of Piston Gland/Packing Stack
Do not disassemble stack when installing on piston.
29* 1 2

2
1
15
n*
14
4
13
n*7
n*9
12
n3
22
11
n*29
29*
n
02521
n16
1
2
Lips of v-packings must face down.
Do not disassemble stack when installing on piston.
n*6
3
4
5
6
7
Male Gland
Female Gland
UHMWPE V -Packing (Model 217–527)
Leather V -Packing (Model 217–527)
Shim
1 2
8
Remove shims from packing stack before installing in throat.
Lips of v-packings must face up.
3
4
6
6
5
5
7
7
7
7
7
7
8
8
8
8
PTFE
V -Packing (Model 237–406)
10
10
10
10
10
10
10
10
10
10
10
9
9
 
Parts
Model 217–527, Series E
Ref
No. Part No.
Description Qty
1 207–470
HOUSING, pump; carbon steel 1
2 207–471 PACKING NUT/WET-CUP;
carbon steel 1
3n207–472 PIST
ON; carbon steel with
tungsten carbide seat 1
4 207–473 HOUSING, intake valve; carbon steel
with tungsten carbide seat 1
6* 102–972
BALL, stainless steel; 7/8” dia. 1
7* 102–973
BALL, stainless steel; 1–1/4” dia 1
9 * 106–260 O-RING; PTFE r1
11 167–890
PIN, ball stop, intake valve;
carbon steel 1
12 167–891 RET
AINER; carbon steel 1
13 167–892
GUIDE, ball; carbon steel 1
14 178–894 SLEEVE; stainless steel 1
15* 167–894 GASKET
; PTFE r1
16n167–895 W
ASHER, flat; carbon steel 1
22 178–888
ROD, displacement; stainless steel 1
26Y172–479 T
AG, warning (not shown) 1
29* 223–365 GLAND/PACKING STACK;
UHMWPE/leather 2
* These parts are included in Repair Kit 220–395, which
may be purchased separately . The kit includes a tube of
102–969 thread sealant for use on the piston (3).
n Keep these spare parts on hand to reduce down time.
Y Replacement Danger and W arning labels, tags and cards
are available at no cost.
Model 237–406, Series A
Ref
No. Part No.
Description Qty
1 207–470
HOUSING, pump; carbon steel 1
2 207–471 PACKING NUT/WET-CUP;
carbon steel 1
3n207–472 PIST
ON; carbon steel with
tungsten carbide seat 1
4 207–473 HOUSING, intake valve; carbon steel
with tungsten carbide seat 1
6n102–972
BALL, stainless steel; 7/8” dia. 1
7n102–973
BALL, stainless steel; 1–1/4” dia 1
9 n106–260 O-RING; PTFE r1
11 167–890
PIN, ball stop, intake valve;
carbon steel 1
12 167–891 RET
AINER; carbon steel 1
13 167–892
GUIDE, ball; carbon steel 1
14 178–894 SLEEVE; stainless steel 1
15n167–894 GASKET
; PTFE r1
16n167–895 W
ASHER, flat; carbon steel 1
22 178–888
ROD, displacement; stainless steel 1
26Y172–479 T
AG, warning (not shown) 1
29n223–479 GLAND/PACKING STACK; PTFE r2
n
Keep these spare parts on hand to reduce down time.
Y Replacement Danger and W arning labels, tags and cards
are available at no cost.

 
Service
MODELS 224–435 & 223–584
Disassembly
NOTES: Packing Repair Kits are available. See the
parts list for your pump on pages 10 and 1 1. For the
best results, use all the new parts in the kit, even if the
old ones look good. An asterisk behind a reference
number , for example (9*), indicates that this part is in -
cluded in the repair kit.
1. Solvent flush the pump, if possible. Follow the
Pressure Relief Procedure on page 2, then dis -
connect all hoses from the pump.
2. Loosen the packing nut (2). Disconnect the dis -
placement pump from the motor (see your sepa -
rate pump manual).
3. Screw the intake valve housing (4) out of the pump
housing (1). See Fig. 4. Note which set of holes
the ball stop pin (1 1) is in, then disassemble and
clean the parts of the valve.
4. Push down on the displacement rod (22) until the
piston (3) flats clear the pump housing (1). Pull the
piston and displacement rod assembly straight out
of the pump housing, being careful not to damage
the rod or housing.
5. Unscrew the piston, and remove the ball, washer ,
v-packings and glands.
6. Remove the packing nut/wet-cup (2). Remove the
v-packings and glands from the pump throat.
7. Clean all parts thoroughly , and check for wear ,
scratches or other damage. Be sure the ball seats
of the piston (3) and intake valve housing (4) are
not chipped or nicked. Replace any worn or dam -
aged parts to ensure that the pump will not leak.
Scoring or irregular surfaces on the displacement
rod (22) or polished inner wall of the sleeve (14)
can cause premature packing wear and leaking.
Check these parts by rubbing a finger on the sur -
faces or by holding the parts up to the light at an
angle. If either is worn or scratched, replace it.
NOTE: If replacing the sleeve, be sure to install it with
the tapered end down toward the pump inlet, and also
replace the gasket (15*). If the sleeve is hard to re
-
move, contact Graco T echnical Assistance (see back
page).
02524
1
3
4
2
2
14
11
4
12
13
16
22
1
3
*29
*6
*15
7*
9*
29*
See detail in Fig. 5.
See detail in Fig. 6.
Apply thread sealant (Model 224–435 only).
1
2
3
Fig. 4
Torque to 150–175 ft–lb (203–237 N.m).
4

 
Service
MODELS 224–435 & 223–584
Reassembly
1. Lubricate the packings with a lightweight grease
for easier assembly .
2.
Remove the shims from one of the packing stacks
(29*) and install the stack in the throat of the pump
housing. Be sure the lips of the v-packings face
down in the throat. See Fig. 5.
3. Loosely install the packing nut/wet-cup (2).
4. Install the other packing stack (29*) on the piston
(3). Do not disassemble the stack. Be sure the
lips of the v-packings face up on the piston. See
Fig. 6.
NOTE: In step 5, use thread sealant on the piston for
Model 224–435 only . Do not use thread sealant on the
stainless steel piston of Model 223–584.
5. Place the washer (16) and ball (6*) on the piston,
and screw the piston assembly into the displace -
ment rod (22), torquing to 150–175 ft–lb (203–237
N.m). See Fig. 4.
6. Lubricate the displacement rod (22). Carefully
guide the rod into the bottom of the pump housing
(1), and push it up through the throat packings.
7. Install the o-ring (9*) and retainer (12) on the in -
take valve housing (4). Install the ball (7*), ball
guide (13), and ball stop pin (1 1) in the intake valve
housing. Be sure the pin (1 1) is in the desired set
of holes. Refer to Check V alve Adjustment.
Screw the assembly into the pump housing (1).
8. Reconnect the displacement pump to the motor
(see your separate pump manual). Reconnect the
ground wire if it was disconnected during repair .
9.
Follow the Pressure Relief Procedure on page
2. T ighten the throat packing nut (2) just enough
to prevent leakage, but no tighter
. Use the wrench
supplied with the complete pump. Fill the wet-cup
half full with TSL or compatible solvent.
Check V alve Adjustment
The intake check valve is set for high flow rates or high
viscosity fluids. T o set the valve for lighter viscosity
fluids or a lower flow rate, to minimize surging at pump
stroke changeover , move the ball stop pin (1 1) to the
lower set of holes, decreasing the check ball travel. T o
adjust the piston check valve for use with very light
viscosity fluids, refer to Accessories on page 1 1.
Remove shims from packing stack before
installing in throat.
Fig. 5
1
2
Lips
of v-packings must face down.
*29
Detail of Throat Gland/Packing Stack
02523
2
1
1 2
02523
16
3
1
2
Lips
of v-packings must face up.
Detail of Piston Gland/Packing Stack
Do not disassemble stack when installing in pump.
29* 1 2
Fig. 6

02522
2
1
*15
14 4
13
*7
*9
12
n3
22
11
*29
29*
n16
*6
1
2
1
2
Lips
of v-packings must face down.
Do not disassemble stack when installing on piston.
3
4
5
6
7
Male Gland
Female Gland
PTFE V -Packing
Leather V -Packing
Shim
8
Remove shims from packing stack before installing in throat.
Lips of v-packings must face up.
3
4
6
5
7
8
8
6
5
7
8
8
8
8
8
8
9
9
10 307-728
Parts
Model 224–435, Series B
Ref
No. Part No.
Description Qty
1 207–470
HOUSING, pump; carbon steel 1
2 207–471 PACKING NUT/WET-CUP;
carbon steel 1
3n207–472 PIST
ON; carbon steel with
tungsten carbide seat 1
4 207–473 HOUSING, intake valve; carbon steel
with tungsten carbide seat 1
6* 102–972
BALL, stainless steel; 7/8” dia. 1
7* 102–973
BALL, stainless steel; 1–1/4” dia 1
9 * 106–260 O-RING; PTFE r1
11 167–890
PIN, ball stop, intake valve;
carbon steel 1
12 167–891 RET
AINER; carbon steel 1
13 167–892
GUIDE, ball; carbon steel 1
14 178–894 SLEEVE; stainless steel 1
15* 167–894 GASKET
; PTFE r1
16n167–895 W
ASHER, flat; carbon steel 1
22 236–278
ROD, displacement; stainless steel 1
26Y172–479 T
AG, warning (not shown) 1
29* 223–480 GLAND/PACKING STACK;
Leather with PTFE backup 2
* These parts are included in Repair Kit 224–438, which
may be purchased separately . The kit includes a tube of
102–969 thread sealant for use on the piston (3).
n Keep these spare parts on hand to reduce down time.
Y Replacement Danger and W arning labels, tags and cards
are available at no cost.
Manual Change Sum -
mary
Model 237–406 PTFE packed pump is added to the manual.

1
2
Lips
of v-packings must face down.
Do not disassemble stack when installing on piston.
3
4
5
6
7
Male Gland
Female Gland
P TFE V -Packing
Leather V -Packing
Shim
8
Remove shims from packing stack before installing in throat.
Lips of v-packings must face up.
02522
2
1
*15
14 4
13
*7
*9
12
n3
22
11
*29
29*
n16
*6
1
2
3
4
6
5
7
8
8
6
5
7
8
8
8
8
8
8
9
9
307-728 11
Parts
Model 223–584, Series C
Ref
No. Part No.
Description Qty
1 207–470
HOUSING, pump; carbon steel 1
2 207–471 PACKING NUT/WET-CUP;
carbon steel 1
3n223–560 PISTON; stainless steel with
tungsten carbide seat 1
4 223–561 HOUSING, intake valve;
stainless steel with
tungsten carbide seat 1
6* 109–217
BALL, stainless steel; 7/8” dia. 1
7* 109–219
BALL, stainless steel; 1–1/4” dia 1
9 * 106–260 O-RING; PTFE r1
11 186–160
PIN, ball stop, intake valve;
stainless steel 1
12 186–165 RETAINER; stainless steel 1
13 186–161
GUIDE, ball; stainless steel 1
14 178–894 SLEEVE; stainless steel 1
15* 167–894 GASKET
; PTFE r1
16n186–159 W
ASHER, flat; stainless steel 1
22 236–278
ROD, displacement; stainless steel 1
26Y172–479 T
AG, warning (not shown) 1
29* 223–642 GLAND/PACKING STACK;
Leather with PTFE backup 2
* These parts are included in Repair Kit 223–643, which
may be purchased separately .
n Keep these spare parts on hand to reduce down time.
Y Replacement Danger and W arning labels, tags and cards
are available at no cost.
Accessories
Piston Ball Stop Bolt 220–420
Use in place of standard piston ball stop when pump -
ing very light viscosity fluids. Decreases piston ball
travel, improves action of piston ball check, and mini -
mizes hammering and seat wear . Apply medium
strength thread locking sealant, screw into bottom of
displacement rod, and torque to 55–60 in–lb (6.2–6.8
N.m).

12 307-728
Technical Data
Maximum working pressure 4500 psi (315 bar) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fluid inlet size 1–1/2” npt(f) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fluid outlet size 1” npt(f) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wetted parts
Model 217–527 304, 440 and 17–4 PH Grade Stainless Steel, . . . . . . . . . . . . . . . . . . . . . . .
Carbon Steel, T ungsten Carbide, Chrome and Zinc Plating,
PTFE, Leather , Ultra-High Molecular W eight Polyethylene
Model 237–406 304, 440 and 17–4 PH Grade Stainless Steel, . . . . . . . . . . . . . . . . . . . . . . .
Carbon Steel, T ungsten Carbide, Chrome and Zinc Plating, PTFE 
Model 224–435 304, 440 and 17–4 PH Grade Stainless Steel, . . . . . . . . . . . . . . . . . . . . . . .
Carbon Steel, T ungsten Carbide, Chrome and Zinc Plating,
PTFE, Leather
Model 223–584 304, 316, 329 and 17–4 PH Grade Stainless Steel, . . . . . . . . . . . . . . . . . .
Carbon Steel, T ungsten Carbide, Chrome and Zinc Plating,
PTFE, Leather 
 is
a registered trademark
The Graco Warranty and Disclaimers
WARRANTY
Graco
warrants all equipment manufactured by it and bearing its name to be free from defects in material and workman -
ship on the date of sale by an authorized Graco distributor to the original purchaser for use. As purchaser ’ s sole remedy
for breach of this warranty , Graco will, for a period of twelve months from the date of sale, repair or replace any part of the
equipment proven 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 , any malfunction, damage or wear caused by faulty instal -
lation,
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 with Graco equipment of structures, accessories, equipment or materials not supplied by Graco, or the
improper design, manufacture, installation, operation or maintenance of structures, accessories, equipment or materi -
als
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 claim. 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.
DISCLAIMERS AND LIMIT ATIONS
THE TERMS OF THIS W ARRANTY CONSTITUTE PURCHASER’S SOLE AND EXCLUSIVE REMEDY AND ARE IN LIEU OF ANY OTHER W AR-
RANTIES
(EXPRESS OR IMPLIED), INCLUDING W ARRANTY OF MERCHANT ABILITY OR W ARRANTY OF FITNESS FOR A P AR TICULAR PUR -
POSE,
AND OF ANY NON–CONTRACTUAL LIABILITIES, INCLUDING PRODUCT LIABILITIES, BASED ON NEGLIGENCE OR STRICT LIABILITY .
EVERY
FORM OF LIABILITY FOR DIRECT , SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS IS EXPRESSL Y EXCLUDED AND DENIED. IN
NO CASE SHALL GRACO’S LIABILITY EXCEED THE AMOUNT OF THE PURCHASE PRICE. ANY ACTION FOR BREACH OF W ARRANTY MUST
BE BROUGHT WITHIN TWO (2) YEARS OF THE DA TE OF SALE.
EQUIPMENT NOT COVERED BY GRACO W ARRANTY
GRACO MAKES NO W ARRANTY , AND DISCLAIMS ALL IMPLIED W ARRANTIES OF MERCHANT ABILITY AND FITNESS FOR A P ARTICULAR
PURPOSE,
WITH RESPECT T O ACCESSORIES, EQUIPMENT , MA TERIALS, OR COMPONENTS SOLD BUT NOT MANUF ACTURED BY GRACO.
These items sold, but not manufactured by Graco (such as electric motor , switches, hose, etc.) are subject to the war -
ranty, if any, of their manufacturer. Graco will provide purchaser with reasonable assistance in making any claim for
breach
of these warranties.
Graco Phone Numbers
TO PLACE AN ORDER , contact your Graco distrib -
utor
, or call this number to identify the distributor
closest to you: 1–800–367–4023 T oll Free
FOR TECHNICAL ASSIST ANCE, service repair
information or assistance regarding the application of
Graco equipment: 1–800–543–0339 T oll Free
Sales Offices: Atlanta, Chicago, Dallas, Detroit, Los Angeles, Mt. Arlington (N.J.)
Foreign Offices: Canada; England; Korea; Switzerland; France; Germany; Hong Kong; Japan
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
PRINTED IN U.S.A. 307–728 2/85 Revised 8/94
PTF
E