Caterpillar Cat 950F WHEEL LOADER (Prefix 4DJ) Service Repair Manual (4DJ00001-01999).pdf

Service Repair Manual
Models
950F WHEEL LOADER

Shutdown SIS
Previous Screen
Product: WHEEL LOADER
Model: 950F WHEEL LOADER 4DJ
Configuration: 950F WHEEL LOADER 4DJ00001-01999 (MACHINE) POWERED BY 3116 ENGINE
Disassembly and Assembly
950F SERIES II WHEEL LOADER POWER TRAIN
Media Number -SENR5918-01 Publication Date -01/12/1997 Date Updated -28/10/2016
SENR59180024
Transmission
SMCS - 3150-015; 3150-016
Disassemble Transmission
Start By:
a. remove torque converter
b. remove transmission hydraulic control valve
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950F WHEEL LOADER 4DJ00001-01999 (MACHINE) POWERED BY 3116 ENGI...
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1. Fasten Tooling (A) and a hoist to housing (4) as shown.
2. Remove the bolts and elbow (1) from case (2) and the transfer gear case. If necessary remove
the O-ring seal from the elbow.
3. Remove bolts (3), and separate the transmission from the transfer gear case. The weight of the
transmission and case is approximately 340 kg (750 lb).
4. Remove O-ring seals (5) and (6) from housing (4).
5. Fasten Tool (A) and a hoist to housing (4) as shown.
6. Remove bolts (7), and separate the transmission from case (2). The weight of the transmission
is approximately 293 kg (650 lb).
7. Carefully turn the planetary group over so No. 6 (first speed) clutch housing is up.
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8. Use Tool (B), and remove retaining ring (9) from the output shaft.
9. Remove carrier assembly (8).
10. Remove metal seal ring (10) from the carrier assembly.
11. Use a hammer and a punch to push the spring pins through carrier (8) into planetary shafts
(11).
12. Use a hammer and punch, and remove planetary shafts (11) from the carrier.
13. Remove thrust washers (12), planet gears (13), bearings (14) and thrust washers (15) from the
carrier. Remove spring pins (16) from planetary shafts (11).
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14. Remove bolts (17) and the washers that hold No. 6 clutch housing (18) to the planetary group.
15. Install Tooling (C) to hold the clutch piston and clutch plate (19) in the No. 6 clutch housing.
16. Remove No. 6 clutch housing (18).
17. Remove clutch plate (19) from the No. 6 clutch housing.
18. Remove clutch piston (20) and spring pins (21) from No. 6 clutch housing.
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19. Remove seal rings (22) and (23) from the clutch piston.
20. Remove springs (24), four friction discs (27) and four clutch plates (26) (first speed).
21. Remove ring gear (25).
22. Use Tool (B) to remove retaining ring (28) from the output shaft.
23. Use Tool (B), and remove retaining ring (29).
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24. Remove bolts (30) and the washers that hold the support housing in position.
25. Fasten Tool (A) to support housing (31) as shown. Remove support housing (31). The weight
of the support housing is 29 kg (64 lb).
26. Remove retaining ring (32) from the support housing with Tool (D).
27. Use Tooling (E) to remove the bearing from the housing.
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28. Remove springs (33).
29. Remove two friction discs (34) and two clutch plates (35) (third speed).
30. Use Tool (F) to compress retaining ring (37). Remove clutch housing (36).
31. Remove retaining ring (37) from the clutch housing.
32. Use steel spacers (38) and a press to push on retainer plate (39), and remove retaining ring (40)
from the clutch housing.
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33. Remove retainer ring (41) and the retainer plate from the clutch housing.
34. Remove five disc springs (42) from the housing.
35. Remove seal rings (44) from the housing.
NOTE: Seal carrier (43) must be destroyed when it is removed from housing (36). Use a new part
for replacement.
36. Do not remove seal carrier (43) from the housing unless it is worn or damaged. Use a hammer
and chisel to break the carrier and remove it. After carrier (43) is removed, remove the pin that
holds the carrier in position on the housing.
37. Use Tool (D), and remove retaining ring (45).
38. Remove sun gear (46).
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39. Remove five friction discs (47) and the four clutch plates (second speed).
40. Remove ring gear (48).
41. Remove retaining ring (49) and plate (50) from the ring gear.
42. Remove clutch piston (51) from No. 3 and 4 clutch housing.
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44. Install Tooling (G) to hold the clutch plate and the clutch piston in No. 3 and 4 clutch housing
(54).
45. Install Tooling (H) and a hoist. Remove No. 3 and 4 clutch housing (54). The weight of the
clutch housing is approximately 32 kg (70 lb).
46. Remove clutch plate (55) from No. 3 and 4 clutch housing.
47. Remove clutch piston (56) from No. 3 and 4 clutch housing.
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49. Remove springs (59) from the rods.
50. Remove three friction discs (61) and two clutch plates (62) (fourth speed).
51. Remove carrier assembly (60) and No. 2 clutch housing.
52. Use 3.175 mm (.125 in) diameter rods (63) with a point ground on one end to put the retaining
ring under compression that holds carrier assembly (60) and ring gear (64) together.
53. Remove carrier assembly (60) from ring gear (64).
54. Remove retaining ring (65) from the carrier.
55. Use a hammer and a punch to push the spring pins through carrier (60) into planetary shafts
(66). Remove the planetary shafts.
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56. Remove thrust washers (67), planet gears (68), bearings (69) and thrust washers (70) from the
carrier. Remove spring pin (71) from planetary shaft (66).
57. Remove the plastic thrust disc located between the reverse planetary carrier and the forward
planetary carrier.
58. Remove retaining ring (72) that holds bearing (73) in the carrier assembly.
59. Remove output shaft (74) and bearing (73) as a unit from the carrier.
60. Use Tool (J) to remove retaining ring (75). Remove sun gear (76) from the output shaft.
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61. Use a press, and push output shaft (74) out of bearing (73) as shown.
62. If necessary, remove bearing (77) from both ends of output shaft (74).
63. Use Tooling (C) to hold the clutch plate and clutch piston in No. 2 clutch housing (78).
64. Fasten Tool (A) and a hoist to No. 2 clutch housing (78), and remove it. The weight of the
housing is approximately 23 kg (50 lb).
65. Remove clutch plate (79) from the No. 2 clutch housing.
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66. Remove clutch piston (80) from the No. 2 clutch housing.
68. Remove springs (85) and rods (83).
69. Remove five friction discs (84) and four clutch plates (86) (forward).
70. Use Tool (B) to remove retaining ring (88) from the input shaft.
71. Remove carrier assembly (89) and ring gear (87) as a unit.
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72. Place a small wood block under carrier assembly (89).
73. Put 2.36 mm (.093 in) diameter rods (90) with a point ground on one end around carrier
assembly (89) and ring gear (91) as shown. This will putcompression on the retaining ring and
allow ring gear (91) be lowered from carrier assembly (89).
74. Remove retaining ring (92) from the carrier assembly.
75. Use a hammer and punch to push the spring pins through carrier (89) into planetary shafts
(93).
76. Use a hammer and punch, and remove planetary shafts (93) from the carrier.
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77. Remove thrust washers (99), planet gears (94), bearings (100), thrust washers (95), thrust
washers (101), planet gears (96), bearings (102) and thrust washers (97) from the carrier.
78. Remove spring pins (98) from planetary shafts (93).
79. Use Tool (B) to expand retaining ring (104). Use Tooling (E) to remove bearing (103) and the
sun gear as a unit from the carrier.
80. Use a press, and remove bearing (103) from sun gear (105).
81. Remove retaining ring (104) from the carrier.
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82. Remove center plate (106) from the No. 1 clutch housing.
83. Remove five friction discs (108) and four clutch plates (110) (reverse) from No. 1 clutch
housing (109).
84. Remove carrier assembly (107) from the ring gear.
85. Remove ring carrier (111) from carrier assembly (107).
86. Remove seal ring (112) from the carrier.
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87. Remove seal rings (113) and (114) from the carrier assembly.
88. Use a hammer and a punch to push the spring pins through carrier (107) into planetary shaft
(115).
89. Remove thrust washers (116), planet gears (117), bearings (118) and thrust washers (119)
from the carrier.
90. Remove spring pins (120) from planetary shafts (115).
91. Remove sun gear (121) from the input shaft and ring gear (122) from the No. 1 clutch housing.
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92. Remove clutch piston (123) from the No. 1 clutch housing.
94. Remove seal ring (127) from input shaft (126).
95. Remove bolt (128), retainer (130) and drive gear (129) from the end of the input shaft.
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96. Remove retaining ring (131) that holds the bearing and input shaft in position in the No. 1
clutch housing.
97. Use a soft faced hammer, and remove input shaft (126) and the bearing from the No. 1 clutch
housing.
98. Remove seals (127) from the shaft.
99. Use a press and Tool (K) to remove bearing (132) from the input shaft.
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100. Remove dowels (133) from the No. 1 clutch housing.
Assemble Transmission
NOTE: Check all parts of the transmission for wear or damaged. If any of the parts are worn or
damaged, use new parts for replacement. During assembly, put clean transmission oil on all parts.
1. Install two dowels (133) in each side of No. 1 clutch housing (109). The dowels must be
installed until they protrude 10.5 ± .5 mm (.41 ± .020 in) above the outside surface.
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2. Heat bearing (132) to a maximum temperature of 135 °C (275 °F), and install it on input shaft
(126) as shown.
3. Install seals (127) on the input shaft.
NOTICE
Be sure seals (127) are not damaged when the input shaft is installed in
the bore of the No. 1 clutch housing.
4. Carefully install input shaft (126) in the No. 1 clutch housing.
5. Install retaining ring (131) in the No. 1 clutch housing to hold the input shaft and bearing in
place.
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6. Install drive gear (129) on the end of the input shaft as shown.
7. Install retainer (130) and bolt (128). Tighten the bolt to a torque of 111 ± 11 N·m (82 ± 8 lb ft).
8. Install seal ring (127) on input shaft (126).
9. Install seal rings (124) and (125) on clutch piston (123). Be sure the lips of the seal rings are
installed as shown in Photo B48542P2.
10. Install clutch piston (123) in the No. 1 clutch housing. Be sure that the lips of the seal rings are
down.
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11. Install ring gear (122) in the No. 1 clutch housing.
12. Install sun gear (121) on the input shaft.
13. Install bearings (118) in planet gears (117).
14. Install thrust washers (116), the planet gears, bearings and thrust washers (119) in the carrier.
15. Install planetary shafts (115) that hold the thrust washers, planet gears and bearings in carrier
(107).
NOTICE
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Check the condition of spring pins (134). If the spring pins are worn or
damaged, use new parts for replacement.
16. Use a hammer and a punch to install spring pins (134) that hold the planetary shafts in the
carrier. Be sure the spring pins are installed even with the counterbore in the carrier.
17. Install seal ring (113) on carrier (111).
18. Install seal ring (112) on ring carrier (111).
19. Install ring carrier (111) in carrier assembly (107).
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20. Align the gear on the input shaft and ring carrier (111) and carrier assembly (107) with ring
gear (122). Install carrier assembly (107) in the No. 1 clutch housing.
21. Install clutch plate (135) in the No. 1 clutch housing so the small hole in the plate is in
alignment with small hole (136) in the housing.
22. Install five friction discs (108) and four clutch plates (110) (reverse) in the No. 1 clutch
housing in alternating order. Start and stop with a friction disc.
23. Put center plate (106) in position on the No. 1 clutch housing as shown.
24. Heat bearing (103) to a maximum temperature of 135 °C (275 °F), and install it on sun gear
(105). Be sure the bearing is installed so the groove is toward the top.
25. Install retaining ring (104) in the groove of carrier (89) as shown.
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26. Use Tool (B) to expand the retaining ring. Use Tooling (E) and a press to install the bearing
and sun gear in carrier (89). The retaining ring must be installed in the groove of the bearing.
27. Install bearings (100) in planet gears (94) and bearings (102) in planet gears (96).
28. Install thrust washers (99), planet gears (94) and thrust washers (95) in the upper carrier.
29. Install thrust washers (101), planet gears (96) and thrust washers (97) in the lower carrier.
30. Install planetary shafts (93) in the carrier that hold the thrust washers, planet gears and bearing
in place.
NOTICE
Check the condition of the spring pins. If the spring pins are worn or
damaged, use new parts for replacement.
31. Use a hammer and punch to install the spring pins that hold planetary shafts (93) in carrier
(89).
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32. Install retaining ring (92) in the groove of carrier (89).
33. Compress retaining ring (92), and install carrier assembly (89) in ring gear (91) until the
retaining ring fits into the groove in the ring gear. Install the plastic thrust disc used between the
reverse planetary carrier and the forward planetary carrier.
34. Install carrier assembly (89) and gear (91) on the carrier in the No. 1 clutch housing. Be sure
the gear teeth are correctly engaged.
35. Use Tool (B) to install retaining ring (88) on the input shaft that holds the carrier assembly in
place.
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Caterpillar Cat 950F WHEEL LOADER (Prefix 4DJ) Service Repair Manual (4DJ00001-01999).pdf

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Caterpillar Cat 950F WHEEL LOADER (Prefix 4DJ) Service Repair Manual (4DJ00001-01999).pdf