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Demco LIL'THUMPER, Operator'S Manual

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Demco LIL'THUMPER Operator'S Manual Download Page 8

Page 8

 

REF. 

PART 

QTy. 

  NO. 

NO. 

PP1  PP2 

DESCRIPTION

 

 

 PISTON PUMP  PARTS LIST

  1. 

00087 

 

2 

2 

5/16”-18UNC x 5/16” Socket Set Screw

  2. 

00914

 

2 

2 

3/8”-16UNC x 1-1/2” Hex Bolt 

  3. 

01166 

 

2 

4 

Pump Connecting Slide Cover 

 

  4. 

01167 

 

2 

4 

Pump Connecting Slide

  5. 

01168 

 

1 

2 

UHMW Piston

  6. 

01169 

 

1 

2 

Drive Hub, adjustment side

  7. 

01171 

 

1 

2 

Large Eccentric 

  8. 

01172 

 

1 

2 

Small Eccentric   

 

 

  9. 

01173 

 

1 

2 

Connecting Rod

  10. 

01176 

 

1 

1 

Adjustment Disc

  11. 

01177 

 

2 

4 

Drive Hub Thrust Bearing   

 

  12. 

01191-95

 

1 

1 

Adjustment Pointer

  13. 

01265 

 

1 

2 

Piston Rod

  14. 

01313 

 

2 

4 

SS Piston Thrust Washer

  15. 

01317 

 

1 

2 

Wrist Pin

  16. 

01318 

 

2 

4 

Wrist Pin Snap Ring

  17. 

01320 

 

2 

4 

Intake Manifold Check Valve (Blue)   

  18. 

01321 

 

2 

4 

Exhaust Manifold Check Valve (Red)   

  19. 

01390 

 

2 

4 

Drive Hub Adjusting Pin

  20. 

01391 

 

1 

2 

1/4” x 1-1/8” Woodruff Key

  21. 

01426 

 

1 

2 

Drive Case Gasket

  22. 

01516 

 

2 

2 

Main Shaft O-Ring

  23. 

01517 

 

1 

1 

Drive Hub Oil Seal (Adjustment Side)  

  24. 

01520 

 

2 

4 

Cylinder Housing Small O-Ring

  25. 

01521 

 

3 

6 

Cylinder Housing Large O-Ring

  26. 

01522 

 

4 

8 

Check Valve O-Ring 

 

 

  27. 

01524 

 

2 

4 

Piston Wiper 

 

 

 

  28. 

01528 

 

2 

2 

Main Shaft Snap Ring 

 

 

  29. 

01529-95

 

1 

1 

Adjustment Pointer Locking Plate

  30. 

01530 

 

1 

2 

Piston Rod Retaining Block 

 

  31. 

01534 

 

2 

4 

Cylinder Housing

  32. 

01535 

 

6 

12 

Large Clamp 

 

 

 

  33. 

01536 

 

2 

4 

Intake/Exhaust Manifold

  34. 

01537 

 

1 

2 

Piston Wiper Support Ring

  35. 

01538 

 

1 

2 

End Cap

  36. 

01539 

 

8 

16 

Small Clamp 

 

 

 

  37. 

01597 

 

1 

2 

1/4” NPT Nylon Breather Plug

  38. 

01596 

 

1 

- 

1-1/4” O.D. Main Shaft for PP1

  38. 

01599 

 

- 

1 

1-1/4” O.D. Main Shaft for PP2

  39. 

01979 

 

2 

1 

1-1/4” I.D. 18 Ga. Machine Bushing

   

  40. 

01989  

1 

1 

1/4” x 1/4” x 1” Key

  41. 

12489

 

1 

2 

Piston Rod Guide Bushing O-Ring   

  42. 

01992 

 

1 

2 

Piston Rod Guide Bushing

  43. 

01993 

 

1 

2 

Rear Stackpack Retainer O-Ring

  44. 

01996 

 

17 

34 

5/16”-18UNC Stainless Steel Hex Nut

  45. 

01997 

 

17 

34 

5/16” Stainless Steel Lockwasher

  46. 

01998 

 

34 

68 

5/16” Stainless Steel Flatwasher

  47. 

02000 

 

8 

16 

1/4”-20UNC Stainless Steel Hex Nut   

  48. 

02001 

 

8 

16 

1/4” Stainless Steel Lockwasher

  49. 

02002 

 

16 

32 

1/4” Stainless Steel Flatwasher

  50. 

02004 

 

8 

16 

1/4”-20UNC x 2-1/4” SS Hex Head Bolt

  51. 

02005 

 

6 

12 

5/16”-18UNC x 3” SS Hex Head Bolt

  52. 

02006 

 

11 

22 

5/16”-18UNC x 1” SS Hex Head Bolt

  53. 

 

02200 

 

1 

1 

Half Drive Case

  54. 

04632

 

1 

2 

3/8”-16UNC Stainless Steel Locknut

  55. 

04642

 

1 

2 

Grease Zerk

  56. 

5136 

 

1 

2 

Stackpack Sub-Assembly   

 

  57. 

11924

 

1 

1 

Half drive Case (Clutch side)

  58. 

11926 

 

1 

1 

Drive Hub, Clutch Side

  59. 

11927 

 

- 

1 

Center Drive Case

  60.  

11929

 

1 

1 

Drive Hub Oil Seal (Clutch side)

  61. 

F1200

 

2 

4 

1/2” NPT Nylon Plug

  62. 

F1400 

 

5 

10 

1/4” NPT Nylon Plug

  63. 

02501  

2 

2 

Main Shaft Bearing (pressed in case)

  64. 

01582 

 

1 

1 

Pump Rate Chart 

 

 

  65. 

11521-95

 

1 

1 

Pump Adjusting Tool 

 

 

  - 

11474-30 

- 

1 

Tool Storage Bracket 

 

 

  66. 

01174

 

- 

1 

Connector Drive Hub  

Please order replacement parts by PART NO. and DESCRIPTION.

NOTE: 

The Intake Manifold Check valves (blue) have weaker springs than the Exhaust Manifold  

 

 

Check valves (red).

65

   

5224 

1

 

2 

Seal Replacement Kit 

  24. 

01520 

 

2 

4 

Cylinder Housing Small O-Ring

  25. 

01521 

 

3 

6 

Cylinder Housing Large O-Ring

  26. 

01522 

 

4 

8 

Check Valve O-Ring

  27. 

01524 

 

2 

4 

Piston Wiper 

 

 

 

  43. 

01993 

 

1 

2 

Rear Stackpack Retainer O-Ring

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

64

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REF. 

PART 

QTy. 

  NO. 

NO. 

PP1  PP2 

DESCRIPTION

 

Summary of Contents for LIL'THUMPER

Page 1: ...Page 1 AP20005 Rev 14 01 16 LIL THUMPER Piston Pump...

Page 2: ...anner Table of Contents General information 2 Bolt Torque 3 Mounting the Pump and Lubrication Requirements 4 Rate Adjustment and Start up Procedure 5 Suggested Plumbing 6 Single and Double Piston Part...

Page 3: ...alues by 5 GRADE or CLASS value for bolts and capscrews are identified by their head markings Torque Specifications Bolt Torque for Standard bolts GRADE 2 GRADE 5 GRADE 8 A lb ft N m lb ft N m lb ft N...

Page 4: ...ound all stackpack surfaces and increases the life of the stackpack considerably Repeat this procedure every six hours of use thereafter Keep the holes at the bottom of the necks clear of dirt and oth...

Page 5: ...rate for the Lil Thumper is determined by using the slide chart included with the pump Complete instructions are on the back of the slide chart Pump output is determined by the drive wheel loaded radi...

Page 6: ...h your pump PRESSURE MUST NOT EXCEED 100 PSI PUMP SPEED MUST NOT EXCEED 210 RPM Optimum operating pressure is 20 40 psi Use of a check valve in each discharge is recommended SUCTION AND DISCHARGE LINE...

Page 7: ...7 17 46 34 27 27 2 1 12 10 44 45 46 66 62 11 46 52 31 53 40 28 1 29 46 45 44 26 18 24 25 25 26 31 22 22 19 46 44 45 33 62 49 49 48 47 63 43 36 55 23 57 4010 320T BOYDE THE DRA INFOR ON ARE INLET OUTLE...

Page 8: ...1 4 O D Main Shaft for PP2 39 01979 2 1 1 1 4 I D 18 Ga Machine Bushing 40 01989 1 1 1 4 x 1 4 x 1 Key 41 12489 1 2 Piston Rod Guide Bushing O Ring 42 01992 1 2 Piston Rod Guide Bushing 43 01993 1 2...

Page 9: ...he side of the throw out arm plate ADJUSTMENT INSTRUCTIONS YOKE PEG 16 28 25 26 27 25 10 17 15 16 10 11 14 10 11 12 20 21 19 22 36 32 30 NOTE Clutch Throw out Yoke must be positioned as shown with blo...

Page 10: ...B This exposes the valves inletvalvesonbottom blue C andoutletvalveson top red D Remove valve o rings E making sure valves are clear of matter and in proper working condition 2 Remove center large cyl...

Page 11: ...s D and o rings E on the top side in an upward direction and replace outlet manifold B clamps A and bolts Do Not Tighten Clamps 8 Replace the blue valves C and o rings E on bottom side in an upward di...

Page 12: ...tackpack retainer assembly H A A B E F D C AA A A C D G 2 Remove large clamp A Proceed by pulling the Piston Large O ring C Small O ring D and the cylinder hous ing assembly AA off of the piston rod G...

Page 13: ...drive wheel with a radius of 17 and the wheel that presses against it has a radius of 6 5 we can simply divide the drive wheel radius 17 by the press wheel radius 6 5 This gives a ratio of 2 615 to 1...

Page 14: ...ch can shorten the life of your pump A high pressure spray washer is recommended to remove dirt and chemicals from the pump and clutch assemblies after each use Cover the vent hole in the 1 4 breather...

Page 15: ...ff valve between tank and pump Remove the inlet and outlet hoses and inlet manifold plugs Using a long thin rod drain the inlet valve by pump ing the rod up and down into each of the inlet manifold pl...

Page 16: ...sure they are in good condition 4 CONTROLS Check for leakage plugging or wear on all valves fit tings etc Clean off any build up of foreign material 5 PUMP Check to be sure pump turns freely 6 FRAME B...

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