Caterpillar Cat 950H Wheel Loader (Prefix MXL) Service Repair Manual (MXL00001 and up).pdf

Service Repair Manual
Models
950H WHEEL LOADER

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Product: WHEEL LOADER
Model: 950H WHEEL LOADER MXL
Configuration: 950H Wheel Loader MXL00001-UP (MACHINE) POWERED BY C7 Engine
Disassembly and Assembly
950H and 962H Wheel Loaders Power train
Media Number -UENR0789-00 Publication Date -01/10/2012 Date Updated -30/10/2012
i05018792
Transmission Planetary - Assemble
SMCS - 3160-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7575 Link Bracket 2
C 136-1452 Retaining Ring Pliers 1
D 5P-5197 Retaining Ring Pliers 1
E 1P-1863 Retaining Ring Pliers 1
F 1P-0520 Driver Group 1
H 1P-0510 Driver Group 1
Note: Cleanliness is an important factor. Before assembly, clean all parts thoroughly in cleaning
fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts. Lint may be
deposited on the parts causing later trouble. Inspect all parts. If any parts are worn or damaged,
use new parts for replacement. During assembly, put clean transmission oil on all internal parts.
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Illustration 1 g00340875
1. Raise the temperature of bearing (122) and install bearing (122) on input shaft (118), as
shown.
2. Apply clean transmission oil to seals (120) and to seal ring (121). Install seals (120) and seal
ring (121) on input shaft (118) .
3. Install dowels (119) in housing (117). The dowels must protrude from the housing by 10.5 ±
0.5 mm (0.41 ± 0.02 inch).
4. Carefully install input shaft (118) in housing (117) .
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5. Install retaining ring (116) in order to hold the input shaft and the bearing in place in
housing (117) .
6. Install seal rings (114) and (115) on clutch piston (111) .
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7. Install sun gear (113), clutch piston (111), coupling gear (110), and reaction dowels (112) .
Note: Make sure that the lips of the seals on clutch piston (111) are facing downward.
8. Install bearings (107) in planetary gears (106). Install the gear assemblies, thrust disc (105),
thrust disc (108), and planetary shafts (104) in carrier assembly (101) .
9. Use a suitable hammer and a punch to install spring pins (109) that hold planetary shafts
(104) in carrier assembly (101). Make sure that the spring pins are flush with the
counterbore in the carrier.
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10. Install seal rings (103) on carrier assembly (101) .
11. Install seal ring (102) on ring carrier (100) .
12. Install ring carrier (100) in carrier assembly (101) .
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13. Install carrier assembly (101). Align the sun gear on the input shaft with ring carrier (101).
Note: The dowels have been removed for photographic purposes.
14. Install one clutch plate (99) in the housing. Align the small hole in the clutch plate is aligned
with the small hole in the housing, as shown.
15. Install friction discs (98) and clutch plates (99) in alternating order. Start with a friction
disc.
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16. Raise the temperature of bearing (95) and install bearing (95) on sun gear (96), as shown.
Make sure that the groove in bearing (95) is facing upward.
17. Install retaining ring (94) in carrier assembly (85) .
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18. Use Tooling (E) to expand retaining ring (94). Use Tooling (C) and a suitable press to
install bearing (95) and sun gear (96) as a unit. Make sure that retaining ring (94) is installed
in the groove in bearing (95) .
19. Install bearings (93) in planetary gears (92). Install the gear assemblies, thrust discs (91),
and planetary shafts (89) in carrier assembly (85) .
20. Use a suitable hammer and a punch to install spring pins (90) that hold planetary shafts (89)
in carrier assembly (85). Make sure that the spring pins are flush with the counterbore in the
carrier.
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21. Install retaining ring (88) on carrier assembly (85) .
22. Use steel rods (86) to compress retaining ring (88). Install carrier assembly (85) in ring gear
(87) until the retaining ring fits into the groove in the ring gear.
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23. Install plastic thrust disc (123) that is used between the reverse planetary carrier and the
forward planetary carrier.
24. Install carrier assembly (85) and ring gear (87) as a unit.
25. Install the O-ring seal, plate (97), springs (83) and spring rods (76) .
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26. Use Tooling (E) to install retaining ring (82) on the input shaft.
27. Install ring gear (84) .
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disc. Make sure that the top clutch plate is installed so that the small holes are over the
spring rods, as shown.
29. Install seal rings (78) and (77) on clutch piston (76) .
30. Install clutch piston (76). Make sure that the lips of the seals are facing downward (toward
the clutch housing).
31. Install the O-ring seal in housing (75). Use Tooling (A) and a suitable lifting device to
install housing (75), as shown. The weight of housing (75) is approximately 29 kg (64 lb).
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32. If bearings (74) were removed, lower the temperature of the two bearings. Then, put the
bearings in position in both ends of output shaft (70) .
33. Use Tooling (H) to install bearings (74) to a depth of 12.0 ± 0.5 mm (0.47 ± 0.02 inch).
After assembly, the inside diameter of bearings (74) must be 34.988 ± 0.039 mm (1.3770 ±
0.0020 inch).
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Note: Make sure that the locating dowel fits into the notch in the bearing. Also, the groove
in the bearing must face the top of the output shaft.
34. Raise the temperature of bearing (73) and install bearing (73) on output shaft (70), as
shown.
35. Install sun gear (71) on output shaft (70) .
36. Use Tooling (E) to install retaining ring (72) .
37. Install output shaft (70) over the input shaft.
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38. Install retaining ring (69) that holds output shaft (70) to the input shaft.
39. Install bearings (67) in planetary gears (66). Install the gear assemblies, thrust discs (65),
and planetary shafts (64) in carrier assembly (57) .
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40. Use a suitable hammer and a punch to install spring pins (68) that hold planetary shafts (64)
in carrier assembly (57). Make sure that the spring pins are flush with the counterbore in the
carrier.
41. Install retaining ring (63) on carrier assembly (57) .
42. Install seal ring (62) onto carrier assembly (57). Set carrier assembly (57) into ring gear
(61) .
43. Use steel rods (60) to compress the retaining ring. Install carrier assembly (57) in ring gear
(61) until the retaining ring fits into the groove in the ring gear.
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44. Install carrier assembly (57). Make sure that all of the gear teeth are correctly engaged.
45. Install reaction dowels (58) and springs (59) .
disc. Make sure that the top clutch plate is installed so that the small holes are over the
spring rods, as shown.
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47. Install seal rings (53) and seal ring (54) on clutch piston (52). Install clutch piston (52) into
housing (51). Make sure that the lips of the seals are facing downward (toward the housing).
48. Install the O-ring seal in housing (51). Use Tooling (A) and a suitable lifting device to
install housing (51), as shown. The weight of housing (51) is approximately 29 kg (64 lb).
49. Install reaction plate (50) and install retaining ring (49) .
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50. Install ring gear (34) .
disc.
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52. Install sun gear (45) and springs (46) .
53. Install retaining ring (44) on the output shaft.
54. Install seal ring (43) and seal ring (42) on piston (41) .
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55. Install piston (41) and seal rings (40) on the clutch housing.
56. Install clutch housing (35) on sun gear shaft (39) .
57. Stack disc springs (38) and install the disc springs in clutch housing (35). Make sure that the
outside edge of the disc springs contact each other first.
58. Install retainer plate (36) on the gear shaft.
59. Use steel spacers and a suitable press to compress retainer plate (36) and the disc springs.
Install retaining ring (37) in the clutch housing.
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60. Install retaining ring (33) on clutch housing (35) .
61. Install clutch housing (35) in ring gear (34). Use Tooling (C) to install retaining ring (33) .
Note: The dowels have been removed for photographic purposes.
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62. Install one clutch plate (32) in the housing. Align the small hole in the clutch plate so that it
is aligned with the small hole in the housing, as shown.
disc. Install the springs.
64. Lower the temperature of bearing (29). Install bearing (29) in housing (28). Install retaining
ring (30) .
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65. Use Tooling (A) and a suitable lifting device to install housing (28), as shown. The weight
of housing (28) is approximately 29 kg (64 lb).
66. Use two screwdrivers to lift clutch housing (35) .
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67. Use Tooling (E) to install retaining ring (27) on the output shaft.
68. Use Tooling (D) to install retaining ring (26) on the output shaft.
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Caterpillar Cat 950H Wheel Loader (Prefix MXL) Service Repair Manual (MXL00001 and up).pdf

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