2. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 336D2 L EXCAVATOR ZCT
Configuration: 336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine
Disassembly and Assembly
330D, 336D, 336D2, 340D and 340D2 Excavators and 336D MHPU Mobile Hydraulic
Power Unit Machine Systems
Media Number -RENR8648-30 Publication Date -01/03/2015 Date Updated -15/08/2018
i03898826
Main Hydraulic Pump - Disassemble
SMCS - 5070-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A
156-7100 Slide Hammer Puller Gp 1
4C-5656 Adapter 1
B 138-7574 Link Bracket 2
C 1P-1855 Retaining Ring Pliers 1
D 1P-1863 Retaining Ring Pliers 1
E 5P-5197 Retaining Ring Pliers As 1
F 5P-4758 Retaining Ring Pliers As 1
Start By:
A. Remove the main hydraulic pump. Refer to Disassembly and Assembly, "Main Hydraulic
Pump - Remove".
B. Remove the gear pump. Refer to Disassembly and Assembly, "Gear Pump (Pilot) -
Remove".
1/15336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine(SEBP65...
2020/6/7https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
3. Illustration 1 g01212500
1. Remove bolts (1) , sensor (2) , the O-ring seal, and the backup ring.
Illustration 2 g01212501
2. Remove bolts (3) , sensor (4) , the O-ring seal, and the backup ring.
Illustration 3 g01212677
3. Remove bolts (5) and housing (6) .
2/15336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine(SEBP65...
2020/6/7https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
4. Illustration 4 g01212502
4. Remove O-ring seals (7) .
Illustration 5 g01212503
5. Remove bolts (9) , solenoid (8) , and the O-ring seals.
3/15336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine(SEBP65...
2020/6/7https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
5. Illustration 6 g01212506
6. Remove bolts (10) and valve (11) .
Illustration 7 g01212507
7. Remove O-ring seals (12) .
Illustration 8 g01212508
8. Remove bolts (13) , cover (14) , and the O-ring seals.
4/15336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine(SEBP65...
2020/6/7https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
6. Illustration 9 g01174684
9. Remove bolts (15) and cover (16) .
Illustration 10 g01174685
10. Use Tooling (A) in order to remove plug (18) and plug (17) .
Illustration 11 g01174686
5/15336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine(SEBP65...
2020/6/7https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
7. Illustration 12 g01174687
Illustration 13 g01174688
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.
11. Remove bolts (19) , cover (20) , and the O-ring seals.
12. Remove bolts (21) , cover (22) , and the O-ring seals.
13. Remove spring (23) , spring (24) , and retainer (25) .
14. Remove spring (26) , sleeve (27) , and piston (28) .
6/15336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine(SEBP65...
2020/6/7https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
8. Illustration 14 g01174691
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.
15. Remove plug (29) .
Illustration 15 g01174692
16. Remove spring (30) .
7/15336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine(SEBP65...
2020/6/7https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
9. Illustration 16 g01174693
Illustration 17 g01174694
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.
17. Use Tooling (C) in order to remove retaining ring (40) .
18. Remove O-ring seals (34) .
19. Remove retainer (39) and spring (38) .
20. Remove lever (31) , lever (32) , and lever (33) .
21. Remove spool (35) , spool (37) , sleeve (36) , and spool (41) .
8/15336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine(SEBP65...
2020/6/7https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
10. Illustration 18 g01174695
22. Repeat Steps 6 through Steps 21 for valve (42) .
Illustration 19 g01174696
23. Attach Tooling (B) and a suitable lifting device to head assembly (45) .
24. Remove bolts (44) and bolts (43) .
25. Remove head assembly (45) .
9/15336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine(SEBP65...
2020/6/7https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
11. Illustration 20 g01174697
26. Remove port plates (47) and barrels (48) .
27. Remove gasket (46) .
Illustration 21 g01175099
28. Remove springs (49) .
Illustration 22 g01174698
10/15336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine(SEBP...
2020/6/7https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
12. 29. Remove bearings (52) , pistons (50) , and retainer (51) .
Illustration 23 g01174699
30. Remove plates (53) and swashplates (54) .
Illustration 24 g02142325
31. Use Tooling (D) in order to remove retaining ring (82) . Remove seal (81) . Remove the O-
ring seal. Attach Tooling (B) and a suitable lifting device to cover (56) .
32. Remove bolts (55) and cover (56) .
11/15336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine(SEBP...
2020/6/7https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
13. Illustration 25 g01174702
33. Use Tooling (D) in order to remove retaining ring (59) .
34. Remove shim (60) and gear (57) .
35. Use Tooling (E) in order to remove retaining ring (58) .
36. Remove shim (62) , gear (57A) , and the gasket (61) .
Illustration 26 g01174723
12/15336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine(SEBP...
2020/6/7https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
14. Illustration 27 g01174724
37. Remove shim (66) .
38. Use Tooling (F) in order to remove retaining ring (63) .
39. Use Tooling (F) in order to remove retaining ring (65) .
40. Remove shaft assembly (64) .
41. Remove shaft assembly (67) .
42. Remove bolts (68) and bearing carriers (69) .
Illustration 28 g01174725
43. Use Tooling (D) in order to remove retaining ring (70) from bearing (72) .
44. Use Tooling (D) in order to remove retaining ring (71) .
Illustration 29 g01174813
45. Use a suitable press in order to remove bearing (72) from shaft assembly (67) .
13/15336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine(SEBP...
2020/6/7https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
15. Illustration 30 g01174814
46. Use Tooling (D) in order to remove retaining ring (73) from bearing (74) .
Illustration 31 g01174815
47. Use a suitable press in order to remove bearing (74) from shaft assembly (64) .
14/15336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine(SEBP...
2020/6/7https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
16. Illustration 32 g01174816
Note: Record the distance between nuts (77) and screws (76) for assembly purposes.
48. Remove nuts (77) and screws (76) .
49. Remove bolts (75) and covers (78) .
Illustration 33 g01174817
50. Remove plugs (79) and the O-ring seals.
Illustration 34 g01174818
51. Remove pistons (80) .
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sun Jun 7 07:31:02 UTC+0800 2020
15/15336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine(SEBP...
2020/6/7https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
17. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 336D2 L EXCAVATOR ZCT
Configuration: 336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine
Disassembly and Assembly
330D, 336D, 336D2, 340D and 340D2 Excavators and 336D MHPU Mobile Hydraulic
Power Unit Machine Systems
Media Number -RENR8648-30 Publication Date -01/03/2015 Date Updated -15/08/2018
i04041156
Main Hydraulic Pump - Assemble
SMCS - 5070-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
B 138-7574 Link Bracket 2
C 1P-1855 Retaining Ring Pliers 1
D 1P-1863 Retaining Ring Pliers 1
E 5P-5197 Retaining Ring Pliers As 1
F 5P-4758 Retaining Ring Pliers As 1
G 1P-0520 Driver Gp 1
H 1P-1861 Retaining Ring Pliers 1
J - M6x2x50mm Guide Pin 2
1/16336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine(SEBP65...
2020/6/7https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
18. Illustration 1 g02251815
1. Install pin assemblies (81).
Illustration 2 g02251817
2. Install pistons (80) into pin assemblies (81).
2/16336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine(SEBP65...
2020/6/7https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
19. Illustration 3 g01174817
3. Install plugs (79) and the O-ring seals.
Illustration 4 g01174816
4. Install covers (78) and bolts (75).
5. Tighten nuts (77) and screws (76).
Illustration 5 g01174814
6. Raise the temperature of bearing (74).
7. Install bearing (74).
3/16336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine(SEBP65...
2020/6/7https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
20. 8. Use Tooling (D) in order to install retaining ring (73).
Illustration 6 g01174725
9. Raise the temperature of bearing (72).
10. Install bearing (72).
11. Use Tooling (D) in order to install retaining ring (70).
12. Use Tooling (D) in order to install retaining ring (71).
Illustration 7 g01174723
4/16336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine(SEBP65...
2020/6/7https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
21. Illustration 8 g01174724
13. Install bearing carriers (69) and bolts (68).
14. Install shaft assembly (67).
15. Install shaft assembly (64).
16. Use Tooling (F) in order to install retaining ring (65).
17. Use Tooling (F) in order to install retaining ring (63).
18. Install shim (66).
Illustration 9 g01174702
19. Install gasket (61), gear (57A), and shim (62).
20. Use Tooling (E) in order to install retaining ring (58).
21. Install gear (57A) and shim (60).
22. Use Tooling (D) in order to install retaining ring (59).
Illustration 10 g02264075
5/16336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine(SEBP65...
2020/6/7https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
22. Illustration 11 g02263333
23. Install the O-ring seal into cover (56). Use Tooling (G) to install seal (82). Use Tooling (H)
in order to install the retaining ring (83).
Note: In order to install seal (82) with the main hydraulic pump assembled, Refer to Service
Magazine, SEPD0930, "New Seals in the Main Hydraulic Pump Prevent Oil Leaks from the
Pump Shaft".
24. Attach Tooling (B) and a suitable lifting device to cover (56).
25. Install a lubricated protective sleeve over the shaft in order to protect the seal during
installation of the cover. Install cover (56) and bolts (55).
Illustration 12 g01174699
26. Install swashplates (54) and plates (53).
6/16336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine(SEBP65...
2020/6/7https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
24. Thank you very much for
your reading. Please Click
Here. Then Get COMPLETE
MANUAL. NO WAITING
NOTE:
If there is no response to
click on the link above,
please download the PDF
document first and then
click on it.
25. Illustration 16 g01175041
Illustration 17 g02257096
30. Use a suitable string in order to retain the pistons during installation.
31. Install barrels (48).
Illustration 18 g02257113
32. Install port plates (47) onto head assembly (45).
33. Install gasket (46).
8/16336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine(SEBP65...
2020/6/7https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
26. Illustration 19 g01174696
34. Use Tooling (B) and a suitable lifting device in order to install head assembly (45).
35. Install bolts (44) and bolts (43).
Illustration 20 g01174693
Illustration 21 g01174694
36. Install spool (35), spool (37), sleeve (36), and spool (41).
37. Install lever (33), lever (32), and lever (31).
38. Install spring (38) and retainer (39).
9/16336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine(SEBP65...
2020/6/7https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...
27. 39. Use Tooling (C) in order to install retaining ring (40).
40. Install O-ring seals (34).
Illustration 22 g01174692
41. Install spring (30).
Illustration 23 g01174691
42. Install plug (29).
Illustration 24 g01174686
10/16336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine(SEBP...
2020/6/7https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...