background image

Repair 

8

312375J

12. Torque cartridge (3) to specified torque listed in the 

following table.

13. Slide packing nut/wet cup (9) over displacement rod 

(1) and torque to specified torque listed in the follow-
ing table.

14. Fill wet cup (9) 1/3 full of TSL or compatible solvent.

Disassembly

When disassembling displacement pump, lay out all 
removed parts in sequence to ease reassembly. Clean 
all parts with a compatible solvent and inspect them for 
wear or damage.

1.

Relieve pressure. See your Check-Mate Pump 
Packages manual 312376 for instructions.

2.

Disconnect displacement pump from air motor as 
illustrated in your Check-Mate Pump Packages 
manual 312376.

3.

Place displacement pump in a vise, with jaws on 
outlet housing (2). 

4.

Use packing nut wrench (supplied) to loosen and 
remove packing nut/enclosed wet cup (9).

5.

On displacement pumps with enclosed wet cups (9), 
use an M4 hex wrench to remove the three screws 
(14) from wet cup cover (10) and remove cover. 
Drain and clean out the wet cup (9). See F

IG

. 5.

6.

On displacement pumps with enclosed wet cups (9), 
use o-ring pick to remove o-ring (11), and a flat 
head screwdriver to remove snap ring (61), wiper 
(15), and seal (16).

Displacement 
Pump

Torque

60cc and 100cc

90-130 ft-lbs (122-173 N•m)

200cc and 250cc

130-190 ft-lbs (176-258 N•m)

500cc

149-261 ft-lbs (203-355 N•m)

Displacement 
Pump

Torque

60cc and 100cc

28-44 ft-lbs (38-59 N•m)

200cc and 250cc

95-115 ft-lbs (128-155 N•m)

500cc

95-115 ft-lbs (128-155 N•m)

F

IG

. 4

The snap ring (61) is applicable only to 60cc and 
100cc displacement pumps.

F

IG

. 5

9

ti10623a

ti10561a

10

61

11

16

14

9

15

Summary of Contents for Check-Mate 312375J

Page 1: ...ge 3 for model information See page 42 for maximum working pressure and approvals Important Safety Instructions Read all warnings and instructions in this manual Save these instructions Instructions P...

Page 2: ...Pumps 19 200cc and 250cc Displacement Pumps 24 500cc Displacement Pumps 34 Dimensions 39 Outlet Housing Mounting Hole Layout 40 Technical Data 42 Graco Standard Warranty 44 Graco Information 44 Relate...

Page 3: ...er cycle 250 carbon steel construction C and MaxLife coatings packings and enclosed wet cup M To order replacement parts see Parts section starting on page 18 The digits in the matrix do not correspon...

Page 4: ...PARTS HAZARD Moving parts can pinch 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 star...

Page 5: ...om work area Comply with all applicable safety regulations ELECTRIC SHOCK HAZARD Improper grounding setup or usage of the system can cause electric shock Turn off and disconnect power cord before serv...

Page 6: ...Pump Cylinder H Intake Valve Housing J Intake Cylinder K Priming Piston Assembly L Hex Head Bolt 500cc displacement pumps only M Wet Cup Sight Glass MaxLife models only N Wet Cup Fill Cap MaxLife mode...

Page 7: ...displacement pump to bottom of stroke 2 Relieve pressure See Check Mate Pump Packages manual 312376 for instructions 3 Remove air motor coupling assembly from displace ment rod See Check Mate Pump Pa...

Page 8: ...a vise with jaws on outlet housing 2 4 Use packing nut wrench supplied to loosen and remove packing nut enclosed wet cup 9 5 On displacement pumps with enclosed wet cups 9 use an M4 hex wrench to remo...

Page 9: ...ck valve assembly R should slide down priming piston rod 24 as you remove housing if it does not slide easily firmly tap on top of housing 19 with a rubber mallet to loosen 10 Use a 400 mm adjustable...

Page 10: ...aside Be careful not to scratch displacement rod 1 while removing housing Remove seal 18 from top of cyl inder 16 Lift cylinder 17 up off intake housing 22 Dis placement rod 1 piston assembly intake...

Page 11: ...g piston rod 24 will come with it Slide piston guide 28 and seat 30 off piston 23 24 Inspect outer surfaces of displacement rod 1 and priming piston rod 24 for wear scoring or other damage by holding...

Page 12: ...ke valve packing configu ration 2 With beveled side facing up press intake valve seal 38 in to recess of intake valve packing nut 33 until it snaps into place The nose of the seal should be flush with...

Page 13: ...18 and place it on top of the cylin der 17 Screw cylinder handtight into outlet hous ing 2 The cylinder is symmetrical so either end can be the top 8 Carefully insert displacement rod 1 into bottom of...

Page 14: ...stable wrench to screw intake cylinder into intake valve housing 19 Torque intake cylinder see the following table for correct torque This will also torque intake valve housing 19 and displace ment pu...

Page 15: ...d cylinder assembly into intake housing until rod guide 19 bottoms on intake seat 20 and priming piston rod 24 protrudes from bottom of intake housing 22 21 Lubricate seal 18 and place it on top of cy...

Page 16: ...lacement rod Line up holes in cover and wet cup Insert screws 14 Use a hex head screwdriver to tighten screws See FIG 31 Displacement Pump Torque 60cc and 100cc 90 130 ft lbs 122 176 N m 200cc and 250...

Page 17: ...steady with an adjustable wrench on flats and screw seat 27 onto rod with another wrench Torque to specified torque refer to the following table 30 Reconnect displacement pump to the air motor as expl...

Page 18: ...m Torque to 90 130 ft lb 122 173 N m Torque to 44 62 ft lb 60 84 N m Apply thread sealant P Throat Packings S Intake Valve Packings T Piston Check Valve Assembly includes 23 Lubricate all soft seal co...

Page 19: ...Torque to 90 130 ft lb 122 173 N m Torque to 44 62 ft lb 60 84 N m Apply thread sealant L Piston Check Valve Assembly includes 23 M Throat Packings N Intake Valve Packings Lubricate all soft seal comp...

Page 20: ...O RING 12 SIGHTGLASS 1 13 COVER oil hole 1 14 SCREW socket hd cap M5 x 12 3 15 WIPER wet cup cover 1 16 SEAL wet cup cover 1 17 CYLINDER pump 1 CYLINDER pump MaxLife 18 109205 O RING 2 19 184044 HOUS...

Page 21: ...erence Numbers 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 20 21 23 24 29 30 31 32 33 34 35 36 37 38 39 40 41 42 44 51 61 255507 256866 255508 256867 255523 255524 257558 255533 255539 256865 255540 256868...

Page 22: ...Kit CS see page 20 for parts included in kit 257561 Outlet Kit SS see page 20 for parts included in kit 255610 Intake Cylinder Kit CS see page 20 for parts included in kit 257560 Intake Cylinder Kit S...

Page 23: ...SPACER CST 1 SPACER SST 1 7 SPACER acetal 1 Ref Description Qty 5 GLAND packing female 1 6 V PACKING PTFE 5 8 GLAND packing male 1 ti10589a 5 8 6 7 ti10592a 6 5 Severe Duty MaxLife 7 Lips face down Li...

Page 24: ...to 57 63 ft lb 77 85 N m Torque to 130 190 ft lb 176 258 N m Apply thread sealant L Piston Check Valve Assembly M Throat Packings N Intake Valve Packings Lubricate all soft seal components before inst...

Page 25: ...x 12 3 15 WIPER wet cup cover 1 16 SEAL wet cup cover 1 17 CYLINDER pump Severe Duty 1 CYLINDER pump MaxLife 1 18 109499 O RING 2 19 189442 HOUSING valve 1 189512 HOUSING valve SST 1 20 SEAT valve 1 2...

Page 26: ...Kit Reference Numbers 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 20 21 23 24 29 30 31 32 33 34 35 36 37 38 39 40 41 42 51 60 255509 255510 255511 255512 255525 255526 255527 255534 255541 255542 255552 2...

Page 27: ...00CS and L200SS see 25 for parts included in kit 255572 Displacement Rod Kit L200CM and L200SM see 25 for parts included in kit 255579 Priming Piston Rod Kit L200CS 255580 Priming Piston Rod Kit L200C...

Page 28: ...l 1 7 SPACER acetal 1 Ref Description Qty 5 GLAND packing female 1 6 V PACKING PTFE 5 8 GLAND packing male 1 ti10590a 5 8 6 7 ti10593a 6 5 Severe Duty MaxLife 7 Lips face down Lips face down ti10590a...

Page 29: ...1 14 SCREW socket hd cap M5 x 12 3 15 WIPER wet cup cover 1 16 SEAL wet cup cover 1 17 CYLINDER pump 1 CYLINDER pump MaxLife 1 18 109499 O RING 2 19 190389 HOUSING valve 1 190390 HOUSING valve SST 1 2...

Page 30: ...Kit Reference Numbers 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 20 21 23 24 29 30 31 32 33 34 35 36 37 38 39 40 41 42 51 60 255513 255514 255515 255516 255528 255529 255530 255536 255543 255544 255545 2...

Page 31: ...Intake Valve Seal Metal and Soft Kit L250SM 255573 Displacement Rod Kit L250CS and L250SS 255574 Displacement Rod Kit L250CM and L250SM 255583 Priming Piston Rod Kit L250CS 255584 Priming Piston Rod...

Page 32: ...iption Qty 5 SEAL u cup 1 6 SPACER metal 1 7 SPACER acetal 1 Ref Description Qty 5 GLAND packing female 1 6 V PACKING PTFE 5 8 GLAND packing male 1 ti10590a 5 8 6 7 ti10593a 6 5 Severe Duty MaxLife 7...

Page 33: ...Parts 312375J 33...

Page 34: ...160 220 ft lb 217 299 N m Torque to 104 136 ft lb 141 185 N m Apply thread sealant L Piston Check Valve Assembly M Throat Packings N Intake Valve Packings Lubricate all soft seal components before ins...

Page 35: ...xLife 1 18 184072 O RING 3 19 184415 HOUSING valve 1 20 SEAT valve 1 SEAT valve SST 1 22 255613 KIT intake housing includes 48 1 255614 KIT intake housing SST includes 48 1 23 SEAT piston 1 24 ROD pis...

Page 36: ...kit Kit Reference Numbers 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 20 23 24 29 30 31 32 33 34 35 36 37 38 39 40 41 42 44 51 60 255517 255518 255519 255520 255531 255532 255538 255547 255548 255549 2555...

Page 37: ...Seal Metal and Soft Kit MaxLife L500SM 255575 Displacement Rod Kit L500CS and L500SS 255576 Displacement Rod Kit L500CM and L500SM 255587 Priming Piston Rod Kit L500CS 255588 Priming Piston Rod Kit L...

Page 38: ...1 6 SPACER metal 1 7 SPACER acetal 1 Ref Description Qty 5 GLAND packing female 1 6 V PACKING PTFE 5 8 GLAND packing male 1 ti10591a 5 8 6 7 ti10594a 6 5 Severe Duty MaxLife 7 Lips face down Lips face...

Page 39: ...L060CM and L100CM Models A A A C C C ti10392a ti10720a ti10396a Displacement Pump A Height in mm C Outlet Size in npt Weight lbs kg 60cc 27 2 691 0 3 4 npt m 34 15 5 100cc 28 62 727 0 3 4 npt m 35 16...

Page 40: ...le Layout 40 312375J Outlet Housing Mounting Hole Layout L060cc and L100cc Displacement Pumps L500cc Displacement Pumps L200cc and L250cc Displacement Pumps 5 91 in 150 mm 8 0 in 203 mm 8 0 in 203 mm...

Page 41: ...Outlet Housing Mounting Hole Layout 312375J 41...

Page 42: ...6100 psi 42 MPa 421 bar 60cc 100cc 6300 psi 44 1 MPa 441 bar 100cc 200cc 6200 psi 43 4 MPa 434 bar 200cc 250cc 6200 psi 43 4 MPa 434 bar 250cc 500cc 3900 psi 27 3 MPa 273 bar 500cc Maximum operating...

Page 43: ...TFE Epoxy Resin 304 316 440 and 17 4 PH Grades of Stainless Steel Acetal Alloy Steel Carbon filled PTFE Carbon Steel Chrome Zinc and Nickel Plating Ductile Iron Glass Filled PTFE Leather PTFE Ultra Hi...

Page 44: ...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 WARRANT...

Reviews: