Caterpillar Cat 329DL EXCAVATOR (Prefix DJF) Service Repair Manual (DJF00001 and up)

Service Repair Manual

Models

329DL EXCAVATOR

329D & 329D L Excavators DJF00001-UP (MACHINE) POWERED BY C7 Engine(...

S/N - WDK1-UP S/N - WLT1-UP S/N - XDB1-UP S/N - YFW1-UP

Assembly Procedure Table 1 Required Tools Tool

Part Number

Part Description

Qty

B

1P-2420

Transmission Repair Stand

1

C

138-7575

Link Bracket

3

1P-0510

Driver Group

1

Seal Guide

1

D 1U-8605 E

1P-1859

Retaining Ring Pliers

1

H

1U-6396

O-Ring Assembly Compound

1

Illustration 1

g01200516

1. Install gasket (107) onto pump housing (72) .

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Illustration 2

g01200514

2. Install cover (106) and bolts (105) onto pump housing (72) .

Illustration 3

g01200512

3. Install guide pins (104) onto pump housing (72) .

Illustration 4

g01200511

4. Install bearings (103) onto pump housing (72) .

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Illustration 5

g01200510

5. Install bearing (102) into swashplate (97) .

Illustration 6

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6. Install dowel pins (101) into swashplate (97) .

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Illustration 7

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7. Install bearings (100) onto swashplate assembly (97) .

Illustration 8

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8. Install plate (99) onto swashplate assembly (97) .

9. Repeat Step 5 through Step 8 for swashplate assembly (98) .

Illustration 9

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10. Install swashplate assemblies (97) and (98) into pump housing (72) .

Note: The swashplate assemblies must be installed in the original position during assembly.

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329D & 329D L Excavators DJF00001-UP (MACHINE) POWERED BY C7 Engine(...

Illustration 10

g03723301

11. Install retaining ring (90) onto shaft assembly (91) .

Illustration 11

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12. Raise the temperature of bearing (95) and bearing (93) . Install bearing (95) and bearing (93) onto shaft assembly (91) .

Illustration 12

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13. Install ring (94) onto shaft assembly (91) .

14. Repeat Step 11 through Step 13 for shaft assembly (92) .

Illustration 13

g01201657

Illustration 14

g01201658

15. Lower the temperature of the shaft assemblies. Install shaft assemblies (91) and (92) into pump housing (72) .

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Illustration 15

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Note: The pump has been removed from Tooling (B) for photographic purposes only.

16. Use Tooling (E) to install retaining rings (90) .

Illustration 16

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17. Install springs (89) into barrel (84) .

Illustration 17

g01200488

18. Install retainer (88) onto barrel (84) .

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Illustration 18

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19. Install cap (87) onto barrel (84) .

Illustration 19

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20. Install pistons (85) into piston plate (86) .

Illustration 20

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21. Install piston assembly (83) into barrel (84) .

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22. Repeat Step 17 through Step 21 for the remaining barrel assembly.

Illustration 21

g01200482

23. Install barrel assemblies (81) and (82) into pump housing (72) .

Note: It may be necessary to use string to aid in the removal procedure. The barrel assemblies must be installed in the original position during assembly.

Illustration 22

g01200481

24. Install O-ring seal (80) onto covers (78) .

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Illustration 23

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25. Install covers (78) , bolts (77) , and plugs (79) onto pump housing (72) .

Illustration 24

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26. Install O-ring seals (76) into pump housing (72) .

Illustration 25

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27. Install plug (76) into covers (75) .

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Illustration 26

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28. Install covers (75) , bolts (74) , and plugs (73) onto pump housing (72) .

Illustration 27

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29. Install O-ring seals (68) and (69) onto pump housing (72) . Install port plates (70) and (71) .

Note: The port plates must be installed in the original position during assembly.

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329D & 329D L Excavators DJF00001-UP (MACHINE) POWERED BY C7 Engin...

Illustration 28

g01200471

30. Install orifices (67) into head (58) .

Illustration 29

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31. Install plugs (65) and (66) into head (58) .

Illustration 30

g01201668

32. Install bearings (64) into the head.

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Illustration 31

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33. Install O-ring seal (63) into covers (61) .

Illustration 32

g01200458

34. Install nipples (62) , covers (61) and bolts (60) onto head (58) . Install caps (59) onto nipples (62) .

Illustration 33

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Personal injury can result from being struck by parts propelled by a released spring force.

Make sure to wear all necessary protective equipment.

Follow the recommended procedure and use all recommended tooling to release the spring force.

35. Attach Tooling (C) and a suitable lifting device to head (10) . Install head (58) , bolts (56) , and bolts (57) . The weight of head (58) is approximately 41 kg (90 lb).

Illustration 34

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36. Install O-ring seal (54) and lip seal (55) onto the seal assembly.

Illustration 35

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37. Install shrink wrap on the shaft. This will protect the seal during the installation procedure.

Install the gasket and bell housing (53) . Install bolts (51) .

Illustration 36

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38. Use Tooling (D) to install seal assembly (52) .

Illustration 37

g00706275

39. Install plugs (49) . Install three plugs (50) into the pump control.

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329D & 329D L Excavators DJF00001-UP (MACHINE) POWERED BY C7 Engin...

Illustration 38

g00882609

40. Install slide plate (47) and dowel (48) onto the control linkage.

Illustration 39

g00706273

41. Install control linkage (46) and sleeve (45) into the pump control.

Illustration 40

g00706272

42. Install O-ring seal (44) onto the pin.

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Illustration 41

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g00706271

43. Install pin (43) into the pump control.

Illustration 42

g00882608

Personal injury can result from being struck by parts propelled by a released spring force.

Make sure to wear all necessary protective equipment.

Follow the recommended procedure and use all recommended tooling to release the spring force.

44. Install shims (38) , spool (39) , spring (40) , spring (41) , and control piston (42) into the pump control.

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329D & 329D L Excavators DJF00001-UP (MACHINE) POWERED BY C7 Engin...

Illustration 43

g00706267

45. Install O-ring seal (37) onto the cover.

Illustration 44

g00706266

46. Install cover (36) onto the pump control. Install bolts (35) .

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Illustration 45

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47. Install pilot piston (34) into the pump control.

Illustration 46

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48. Install ball (33) into the guide. Install guide (32) into the pump control. Install spring (31) and spring (30) into the pump control.

Illustration 47

g00882599

49. Install O-ring seal (26) onto the adjuster. Install adjuster (24) . Install setscrew (22) . Install nut (23) and nut (25) . Install O-ring seal (27) onto the retainer. Install retainer (29) . Install O-ring seal (28) .

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329D & 329D L Excavators DJF00001-UP (MACHINE) POWERED BY C7 Engin...

Illustration 48

g00706249

Personal injury can result from being struck by parts propelled by a released spring force.

Make sure to wear all necessary protective equipment.

Follow the recommended procedure and use all recommended tooling to release the spring force.

50. Install cover assembly (21) into the pump control. Install bolts (20) .

Illustration 49

g00706243

51. Install dowel pin (19) into the pin.

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Illustration 50

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52. Place the pump control in a soft jawed vise. Support pin assembly (17) . Install pin assembly (17) into the pump control. Install piston (18) into the pump control.

Illustration 51

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53. Install O-ring seal (15) and backup ring (16) onto the stopper.

Illustration 52

g00706177

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329D & 329D L Excavators DJF00001-UP (MACHINE) POWERED BY C7 Engin...

54. Install stopper (14) into the pump control.

Illustration 53

g00882598

55. Install screw (13) . Install bolts (11) . Install cover (12) into the pump control.

Illustration 54

g00706166

56. Install nut (10) onto the pump control.

57. Repeat Step 53 through Step 56 for the other side of the pump control.

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Illustration 55

g01202631

Right Pump Only

58. Install O-ring seal (6) , O-ring seal (7) , O-ring seal (8) , and O-ring seal (9) onto the proportional reducing valve.

Illustration 56

g01202630

Right Pump Only

59. Install proportional reducing valve (5) onto pump control (1) . Install bolts (4) .

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Illustration 57

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60. Install pump control (1) .

61. Install bolts (2) and fitting (3) .

End By: Install the main hydraulic pump. Refer to Disassembly and Assembly, "Main Hydraulic Pump - Install".

Copyright 1993 - 2020 Caterpillar Inc.

Fri Mar 6 00:26:33 UTC+0800 2020

All Rights Reserved.

Private Network For SIS Licensees.

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