Graco Check-Mate 800 User manual

334127D
EN
Instructions-Parts
Check-Mate®800
Displacement Pump
For use with hot-melt applications. For professional use only.
5850 psi (40 MPa, 403 bar) Maximum Fluid Working Pressure
400° F (204° C) Maximum Operating Temperature
See page 2 for model information.
Important Safety Instructions
Read all warnings and instructions in this
manual and in all related manuals. Save all
instructions.
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Models
2334127D
Contents
Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Related Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Component Identification . . . . . . . . . . . . . . . . . . . . 6
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Connect to a Graco Air Motor . . . . . . . . . . . . . . . 7
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Pressure Relief Procedure . . . . . . . . . . . . . . . . . 8
Pump Startup, Adjustment, and Shutdown
Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Required Tools . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Disconnect the Pump . . . . . . . . . . . . . . . . . . . . . 9
Replace the Throat Packings . . . . . . . . . . . . . . 10
Replace the Priming Piston . . . . . . . . . . . . . . . . 11
Replace the Intake Valve . . . . . . . . . . . . . . . . . . 12
Repair the Piston . . . . . . . . . . . . . . . . . . . . . . . . 14
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5 Gallon (20 Liter) Pumps . . . . . . . . . . . . . . . . . 16
55 Gallon (200 Liter) Pumps . . . . . . . . . . . . . . . 18
Technical Specifications . . . . . . . . . . . . . . . . . . . . 20
Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 22
Models
Related Manuals
Manuals are available at www.graco.com.
Component manuals are in English.
Part No. Drum Size Seal Material
24W152 5 Gallon (20 Liter) Carbon Filled PTFE
24W153 5 Gallon (20 Liter) Glass Filled PTFE
24W150 55 Gallon (200 Liter) Carbon Filled PTFE
24W151 55 Gallon (200 Liter) Glass Filled PTFE
334128 Throat Seal Repair Kit, Instructions-Parts
334131 Bulldog®and Senator®Air Motors Tie Rod Kit, Instructions-Parts
334132 NXT®Air Motor Tie Rod Kit, Instructions-Parts

Warnings
334127D 3
Warnings
The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama-
tion point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. When
these symbols appear in the body of this manual or on warning labels, refer back to these Warnings. Product-specific
hazard symbols and warnings not covered in this section may appear throughout the body of this manual where
applicable.
WARNING
SKIN INJECTION HAZARD
High-pressure fluid from dispensing device, hose leaks, or ruptured components will pierce skin. This
may look like just a cut, but it is a serious injury that can result in amputation. Get immediate surgical
treatment.
• Do not point the dispensing device at anyone or at any part of the body.
• Do not put your hand over the fluid outlet.
• Do not stop or deflect leaks with your hand, body, glove, or rag.
• Follow the Pressure Relief Procedure when you stop dispensing and before cleaning, checking, or
servicing equipment.
• Tighten all fluid connections before operating the equipment.
• Check hoses and couplings daily. Replace worn or damaged parts immediately.
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.

Warnings
4334127D
WARNING
FIRE AND EXPLOSION HAZARD
Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. Paint or sol-
vent flowing through the equipment can cause static sparking. To help prevent fire and explosion:
• Use equipment only in well ventilated area.
• Eliminate all ignition sources; such as pilot lights, cigarettes, portable electric lamps, and plastic drop
cloths (potential static sparking).
• Ground all equipment in the work area. See Grounding instructions.
• Never spray or flush solvent at high pressure.
• Keep work area free of debris, including solvent, rags and gasoline.
• Do not plug or unplug power cords, or turn power or light switches on or off when flammable fumes
are present.
• Use only grounded hoses.
• Hold gun firmly to side of grounded pail when triggering into pail. Do not use pail liners unless they
are anti-static or conductive.
•Stop operation immediately if static sparking occurs or you feel a shock.Do not use equipment until
you identify and correct the problem.
• Keep a working fire extinguisher in the work area.
BURN HAZARD
Equipment surfaces and fluid that is heated can become very hot during operation. To avoid severe
burns:
• Do not touch hot fluid or equipment.
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 Specifications in all equipment manuals.
• Use fluids and solvents that are compatible with equipment wetted parts. See Technical Specifica-
tions in all equipment manuals. Read fluid and solvent manufacturer’s warnings. For complete infor-
mation about your material, request Safety Data Sheet (SDS) from distributor or retailer.
• Do not leave the work area while equipment is energized or under pressure.
• 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.

Warnings
334127D 5
WARNING
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 Safety Data Sheet (SDS) 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. 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.

Component Identification
6334127D
Component Identification
Key:
A Displacement Pump
B Wetcup
C Throat Packing
D Outlet Housing
E Fluid Outlet
F Bleed Valve
G Cylinder
H Intake Housing
J Intake Cylinder
K Priming Pistion
FIG. 1: Check-Mate 800 Displacement Pump Component Identification
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Installation
334127D 7
Installation
Grounding
Pump: the displacement pump is grounded with a wire
connecting the pump to the control enclosure. Locate
the small hole (W) in the pump outlet housing. Attach
the ground wire (Y) to the pump outlet housing using the
ground screw (X) supplied with your system. Tighten the
ground screw securely. Do not operate the equipment
without the ground wire in place.
Air compressor: follow manufacturer’s recommenda-
tions.
Fluid supply container: follow local code.
Object being dispensed: follow local code.
Connect to a Graco Air Motor
The displacement pump may be installed on Senator,
Bulldog, King®, and NXT air motors using Tie Rod Kits.
See the following kit manuals for installation instruc-
tions.
The equipment must be grounded to reduce the risk
of static sparking. Static sparking can cause fumes to
ignite or explode. Grounding provides an escape wire
for the electric current.
FIG. 2: Attach Grounding Wire
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Manual Tie Rod Kit Air Motor
334131 24V752
Bulldog
Senator
King
334132 24V754 NXT

Operation
8334127D
Operation
Pressure Relief Procedure
Follow the Pressure Relief Procedure whenever
you see this symbol.
1. Lock the gun/valve trigger safety.
2. Close all air bleed valves (required in your system)
to shut off the air supply to the pump.
3. Unlock the gun/valve trigger safety.
4. Hold a metal part of the gun/valve firmly to the side
of a grounded metal pail and trigger the gun/valve to
relieve pressure.
5. Lock the gun/valve trigger safety.
6. Open the pump bleeder valve (required in your sys-
tem), having a container ready to catch the drain-
age.
7. Leave the pump bleeder valve open until you are
ready to spray/dispense again.
If you suspect that the spray tip/nozzle or hose is com-
pletely clogged, or that pressure has not been fully
relieved after following the steps above, very slowly
loosen the tip retaining nut or hose end coupling and
relieve pressure gradually, then loosen completely.
Clear the tip/nozzle or hose.
Pump Startup, Adjustment, and
Shutdown Instructions
These operations depend on the system you are using.
Refer to the instructions for your system.
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 dispensing and before
cleaning, checking, or servicing the equipment.
Heated fluid can cause severe burns and can cause
equipment surfaces to become very hot. Wear protec-
tive gloves and clothing when operating this equip-
ment in a heated system. Allow the equipment to cool
thoroughly before servicing.

Repair
334127D 9
Repair
NOTE: The numbers and letters in parentheses used in
the Repair section refer to the callouts shown in the Fig-
ures. Also see Parts, beginning on page 16.
Required Tools
• Torque wrench
• Bench vise with soft jaws
• Rubber mallet
•Hammer
• O-ring pick
• 13 mm (1/2 in.) diameter brass rod
• Set of socket wrenches
• Set of adjustable wrenches
•Pipewrench
• Screwdriver
• Heat gun
• Gloves
• Thread lubricant
• Thread sealant
Disconnect the Pump
NOTE: The priming position can be serviced without
disconnecting the displacement pump from the motor.
See Replace the Priming Piston on page 11.
1. Flush the pump, if possible. Stop the pump at the
bottom of its stroke to prevent fluid from drying on
the exposed displacement rod.
2. Relieve the pressure. See Pressure Relieve Pro-
cedure on page 8.
3. Allow the pump to cool if it is being used in a heated
system.
NOTE: It may be necessary to use a heat gun to ease
disassembly of some parts.
4. Disconnect the air and fluid hoses.
5. Disconnect the pump from the heated platen.
6. Disconnect the displacement pump from the motor
as explained in the instructions for the system you
are using.
Heated fluid can cause severe burns and can cause
equipment surfaces to become very hot. Wear protec-
tive gloves and clothing when operating this equip-
ment in a heated system. Allow the equipment to cool
thoroughly before servicing.

Repair
10 334127D
Replace the Throat Packings
The throat packings are available as pre-assembled
kits.
1. Relieve the pressure. See Pressure Relief Proce-
dure on page 8.
2. See Figure 3. Unscrew the packing nut (2) using a
pipe wrench. Remove the o-ring (27) and washer
(26) from the bottom of the packing housing (25) or
from the outlet housing (3).
3. Place the flats of the packing nut (2) in a vise.
Unscrew the packing housing (25) and discard it
and the packings.
4. Remove the washer (24), seal (23), and back up
washer (22) from the packing nut.
5. The throat repair kit is pre-assembled. Screw the kit
into the packing nut (2), making sure that the
backup washer (22), seal (23), and washer (24) are
properly positioned on top of the packing housing
(25) with the lips of the seal facing down. Torque the
packing housing (25) to 225 +/- 10 ft-lb (305 +/- 14
N•m).
6. Before installing the packing housing into the pump,
generously lubricate the seals with the high tem-
perature grease supplied with the repair kit.
7. If necessary, use an arbor press to install the o-ring
(27) in the packing housing (25).
8. Screw the packing nut (2) and packing housing (25)
into the outlet housing (3). Torque to 150 +/- 30 ft-lb
(203 +/- 41 N•m).
Pump Part No. Throat Seal Repair Kit
24W152 24V752
24W153 24V753
24W150 24V752
24W151 24V753
FIG. 3: Replace Throat Packings
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Torque to 225 +/- 10 ft-lbs (305 +/- 147 N•m).
Torque to 150 +/- 30 ft-lbs (203 +/- 41 N•m).
Lips of the u-cup packing must face down.
1
2
3

Repair
334127D 11
Replace the Priming Piston
1. Stop the pump on the down stroke with the flats of
the priming piston rod (17) exposed below the
intake cylinder (18). It is not necessary to discon-
nect the displacement pump from the motor, but you
may have to disconnect it from the heated platen.
2. Relieve the pressure. See Pressure Relief Proce-
dure on page 8.
3. Hold the flats of the priming piston rod (17) with an
adjustable wrench and use a second wrench to
unscrew the priming piston seat (21) from the rod.
4. Slide the priming piston (20) off the rod. Inspect the
inner and outer surfaces of the piston (20) for scor-
ing, wear, or other damage.
5. Slide the priming piston (20) onto the rod (17) until it
stops. Hold the rod (17) steady with a wrench on the
flats and screw the seat (21) onto the rod with
another wrench. Torque to 60 +/- 3 ft-lb (81 +/- 4
N•m).
Pump Part No. Throat Seal Repair Kit
24W152 237910
24W153 237910
24W150 237909
24W151 237909
FIG. 4: Replace Priming Piston
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Torque to 60 +/- 3 ft-lbs (81 +/- 4 N•m).
Torque to 390 +/- 45 ft-lbs (529 +/- 61 N•m).
Torque to 150 +/- 30 ft-lbs (203 +/- 41 N•m)
1
2
3

Repair
12 334127D
Replace the Intake Valve
The intake valve (V) is available as a pre-assembled,
pre-lubricated kit. The kit includes the valve and all seals
and packings, and also includes the intake valve seat
(15) and seal (16).
1. Relieve the pressure. See Pressure Relief Proce-
dure on page 8.
2. Disconnect the displacement pump. See the system
manual for instructions.
3. Place the pump in a vise with the outlet housing (3)
positioned as shown in Figure 5.
4. Remove the priming piston (20). See Replace the
Priming Piston on page 11.
5. Using a pipe wrench on the hex of the intake cylin-
der (18), unscrew it from the intake housing (13).
Pump Part No. Repair Kit
24W152 253546
24W153 237907
24W150 253546
24W151 237907
FIG. 5: Remove Priming Piston and Intake Cylinder
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Repair
334127D 13
6. Pull the intake seat (15) and seal (16) out the bot-
tom of the intake housing (13).
NOTE: If the seat (15) is difficult to remove, insert a
brass rod through the top of the housing (13) and drive
the seat out with a hammer.
7. Firmly tap the piston rod with a rubber mallet until
the valve assembly comes free. Take care not to
drop the valve assembly (V) as it comes free.
8. To repair the piston, cylinder, seals, and rods, see
Repair the Piston on page 14.
9. Slide the intake housing (13) onto the priming piston
rod (17), making certain that the smooth surface of
the valve stop (VS) is facing down toward the pump
intake. Screw the housing (13) onto the cylinder (8).
See Figure 7.
10. Lubricate the priming piston rod (17), then slide the
pre-assembled intake valve (V) into the rod, making
certain that the packing nut (31) goes on the rod
first. Push the valve assembly up the rod as far as
possible. Use a rubber mallet on the priming piston
rod (17) to drive the valve assembly up to the stop
(VS).
11. The intake seat (15) is reversible. Push it into the
housing (13) until it seats securely. Lubricate the
seal (16) and install it in the bevel around the bottom
of the seat.
12. Screw the intake cylinder (8) into the intake housing
(13). Using a pipe wrench on the hex of the cylinder
(8), torque the cylinder to 385-400 ft-lb (522-542
N•m).
13. Replace the priming piston. See Replace the Prim-
ing Piston on page 11.
14. Reconnect the displacement pump to the air motor
as explained in the instructions for the system you
are using.
FIG. 6: Remove Valve Assembly
FIG. 7: Replace Valve Assembly
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Repair
14 334127D
Repair the Piston
The piston valve is available as pre-assembled,
pre-lubricated Kit No. 237906, which includes the piston
seat/guide assembly (P, items 6, 9, 10, 11, and 12).
1. Follow the steps in Replace the Intake Valve on
page 12.
2. Remove the outlet housing (3).
3. Using a rubber mallet, drive the displacement rod
(1) and the priming piston rod (17) out of the cylin-
der (8). Inspect the outer surfaces of the rods for
damage by running a finger over the surface.
4. Remove the seal (6) from the bottom of the cylinder
(8). Shine a light into the cylinder to examine the
inside surface for scoring or damage.
5. Only if the cylinder is damaged or there is evi-
dence of leaking around the top of the cylinder
(8), unscrew the cylinder from the outlet housing
using a pipe wrench. Remove the top cylinder seal.
See Figure 9.
6. Place the flats of the displacement rod (1) in a vise.
Unscrew the piston (9) from the displacement rod;
the priming piston rod (17) comes with it. Slide the
piston seat/guide assembly (10, 11, and 12) off the
piston (9) as shown in Figure 10.
7. Place the piston (9) flats in a vise and unscrew the
rod (17).
8. Place the pre-assembled piston seat/guide assem-
bly (P, items 10, 11, and 12) onto the piston (9) so
the 45 beveled seating surfaces match.
9. Place the flats of the displacement rod (1) in a vise.
Screw the piston (9) onto the displacement rod (1)
hand tight, then torque to 250-265 ft-lb (339-359
N•m).
FIG. 8: Remove Piston
FIG. 9: Remove Seal
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FIG. 10: Remove Piston Seat/Guide Assembly
FIG. 11: Attach Piston to Displacement Rod
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Repair
334127D 15
10. Using an adjustable wrench on the flats of the prim-
ing piston rod (17), screw the rod into the piston (9).
Torque to 92-101 ft-lb (125-137 N•m). Be careful not
to create burrs on the flats of the rod.
11. If the cylinder (8) was removed from the valve hous-
ing (13), lubricate the seal (6) and place it on the top
of the cylinder. (The cylinder is symmetrical, so
either end can be the top.) Screw the cylinder into
the valve housing.
12. Screw the outlet housing (3) onto the cylinder.
Torque to 390 +/- 45 ft-lb (528 +/- 61 N•m).
13. Lubricate the displacement rod (1). Slide the rod,
piston assembly, and priming piston rod (17) into
the cylinder (10) from the bottom until the top of the
rod (1) protrudes from the packing nut (2).
14. Lubricate the seal (6) and install it on the bottom of
the cylinder (8).
15. Follow the steps in Replace the Intake Valve on
page 12 to assemble the pump.
FIG. 12: Attach Piston Rod to Piston
FIG. 13: Attach Cylinder to Valve Housing
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FIG. 14: Slide Piston Assembly and Rod into Cylinder
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Parts
16 334127D
Parts
5 Gallon (20 Liter) Pumps
24W152, Pump with Carbon Filled Seals
24W153, Pump with Glass Filled Seals
FIG. 15: Models 24W153 and 24W153
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Torque to 25 +/- 2 ft-lbs (34 +/- 2.7 N•m).
Torque to 390 +/- 45 ft-lbs (528 +/- 61 N•m).
Torque to 150 +/- 30 ft-lbs (203 +/- 41 N•m).
Torque to 60 +/- 3 ft-lbs (81 +/- 4 N•m).
Torque to 97 +/- 5 ft-lbs (131 +/- 7 N•m).
1
2
3
4
5
Torque to 225 +/- 10 ft-lbs (305 +/- 13 N•m).
Torque to 255 +/- 16 ft-lbs (345 +/- 21 N•m).
Torque to 75 +/- 4 ft-lbs (101 +/- 5 N•m).
Apply lubricant.
Apply sealant to threads.
6
7
8
9
10

Parts
334127D 17
--- Not available for individual sale.
Replacement Warning labels, signs, tags, and card
are available at no cost.
†Parts are available in throat repair kit 24V752 (for
24W152) and 24V753 (for 24W153).
* Parts are available in piston repair kit 237906.
Parts are available in intake valve repair kit 253546
(for 24W152) and 237907 (for 24W153).
Parts are available in priming piston repair kit
237910.
Ref Part Description Qty
116Y958ROD, displacement, chromex,
11 cm 1
2 237799 NUT, packing 1
3 190598 HOUSING, outlet 1
4 190620 FLANGE 1
5 237908 KIT, repair bleed valve 1
6 113040* PACKING, o-ring 2
7 ---* BEARING, piston guide cm 200 1
8 189437 CYLINDER, pump 1
9 189439* SEAT, piston, sst 1
10 15M520* GUIDE, piston, 200 1
11 113355* BEARING, piston 1
12 189441* SEAT, piston 1
13 190597 HOUSING, valve 1
14 189514VALVE, intake 1
15 189446SEAT, valve 1
16 113041PACKING, o-ring 1
17 --- ROD, piston 1
18 190608 CYLINDER, intake 1
19 113054 PACKING, o-ring 1
20 190606PISTON, pump 1
21 190607SEAT, piston 1
Ref Part Description Qty
22 195233† WASHER, seal back-up 1
23 120286† PACKING, u-cup (24W152) 2
113021† PACKING, u-cup (24W153) 2
24 195234† WASHER, scraper 1.476 x
2.157 1
25 190585† NUT, packing 1
26 195232† WASHER, rod scraper 1
27 104537† PACKING, o-ring, ptfe 1
28 113015RING, retainer 1
29 190523WASHER, retainer 1
30 120285PACKING, u-cup (24W152) 1
113020PACKING, u-cup (24W153) 1
31 190762NUT, seal 1
32 184246GLAND, packing male 1
33 109301PACKING, vee 4
34 184196GLAND, packing female 1
35 100508 SCREW, drive 6
36 --- PLATE, designation 1
37 101754 PLUG, pipe, 3/8 nptf 1
38 184090LABEL, warning 2
39 172479TAG, warning 1

Parts
18 334127D
55 Gallon (200 Liter) Pumps
24W150, Pump with Carbon Filled Seals
24W151, Pump with Glass Filled Seals
FIG. 16: Models 24W150 and 24W151
WLD



























































 



Torque to 25 +/- 2 ft-lbs (34 +/- 2.7 N•m).
Torque to 390 +/- 45 ft-lbs (528 +/- 61 N•m).
Torque to 150 +/- 30 ft-lbs (203 +/- 41 N•m).
Torque to 60 +/- 3 ft-lbs (81 +/- 4 N•m).
Torque to 97 +/- 5 ft-lbs (131 +/- 7 N•m).
1
2
3
4
5
Torque to 225 +/- 10 ft-lbs (305 +/- 13 N•m).
Torque to 255 +/- 16 ft-lbs (345 +/- 21 N•m).
Torque to 75 +/- 4 ft-lbs (101 +/- 5 N•m).
Apply lubricant.
Apply sealant to threads.
6
7
8
9
10

Parts
334127D 19
--- Not available for individual sale.
Replacement Warning labels, signs, tags, and card
are available at no cost.
†Parts are available in throat repair kit 24V752 (for
24W150) and 24V753 (for 24W151).
* Parts are available in piston repair kit 237906.
Parts are available in intake valve repair kit 237907
(for 24W150) and 253546 (for 24W151).
Parts are available in priming piston repair kit
237909.
Ref Part Description Qty
1 16Y958 ROD, displacement, chromex,
11 cm 1
2 237799 NUT, packing 1
3 190598 HOUSING, outlet 1
5 237908 KIT, repair, bleed valve 1
6 113040*PACKING, o-ring 2
7---*BEARING, piston guide cm 200 1
8 189437 CYLINDER, pump 1
9 189439*SEAT, piston, sst 1
10 15M520*GUIDE, piston, 200 1
11 113355*BEARING, piston 1
12 189441*SEAT, piston 1
13 190597 HOUSING, valve 1
14 189514VALVE, intake 1
15 189446SEAT, valve 1
16 113041PACKING, o-ring 1
17 184400 ROD, piston 1
18 190586 CYLINDER, intake 1
19 109482 PACKING, o-ring 1
20 276378PISTON, 1
21 190241SEAT, piston 1
Ref Part Description Qty
22 195233 WASHER, seal back-up 1
23 120286† PACKING, u-cup (24W150) 2
113021† PACKING, u-cup (24W151) 2
24 195234† WASHER, scraper 1.476 x
2.157 1
25 190585† NUT, Packing 1
26 195232† WASHER, rod scraper 1
27 104537† PACKING, o-ring, ptfe 1
28 113015RING, retainer 1
29 190523WASHER, retainer 1
30 120285PACKING, u-cup (24W150) 1
113020PACKING, u-cup (24W151) 1
31 190762NUT, seal 1
32 184246GLAND, packing male 1
33 109301PACKING, vee 4
34 184196GLAND, packing female 1
35 100508 SCREW, drive 6
36 --- PLATE, designation 1
37 101754 PLUG, pipe, 3/8 nptf 1
38 184090LABEL, warning 2
39 172479TAG, warning 1

Technical Specifications
20 334127D
Technical Specifications
Check-Mate 800 Displacement Pump
US Metric
Maximum fluid working pressure 5850 psi 40 MPa, 403 bar
Displacement pump effective area 1.24 in.28 cm2
Maximum pump operating temperature 400°F 200°C
Fluid outlet size 1 in. npt(f)
Wetted parts
Carbon steel, chrome, zinc, nickel plating, alloy steel, ductile
iron, fluoroelastomer, PTFE, bronze, stainless steel (304,
316, 440, and 17-4 PH)
Weight
24W152 59 lb 27 kg
24W153 59 lb 27 kg
24W150 59 lb 27 kg
24W151 59 lb 27 kg
Length
On upstroke 31.15 in. 791.2 mm
On downstroke (priming piston exposed) 33.75 in. 857.2 mm