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Product: WHEEL LOADER

Model: 950F II WHEEL LOADER 8TK

Configuration: 950F Series II Wheel Loader 8TK00001-UP (MACHINE) POWERED BY 3116 Engine

Disassembly and Assembly950F SERIES II WHEEL LOADER POWER TRAIN

Media Number -SENR5918-01 Publication Date -01/12/1997 Date Updated -25/01/2010

SENR59180024

TransmissionSMCS - 3150-015; 3150-016

Disassemble Transmission

a. remove torque converterb. remove transmission hydraulic control valve

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950F Series II Wheel Loader 8TK00001-UP (MACHINE) POWERED BY 3116 Engine(SEBP2218 - 57) - DocumentationWednesday, May 04, 20169:03 AM

General Page 1

b. remove transmission hydraulic control valve

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.

8. Use Tool (B), and remove retaining ring (9) from the output shaft.9. Remove carrier assembly (8).

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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).

14. Remove bolts (17) and the washers that hold No. 6 clutch housing (18) to the planetary group.

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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.

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).

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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).

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).

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26. Remove retaining ring (32) from the support housing with Tool (D).

27. Use Tooling (E) to remove the bearing from the housing.

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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(40) from the clutch housing.

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.

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.

NOTE: Seal carrier (43) must be destroyed when it is removed from housing (36). Use a new part for replacement.

37. Use Tool (D), and remove retaining ring (45).38. Remove sun gear (46).

39. Remove five friction discs (47) and the four clutch plates (second speed).40. Remove ring gear (48).

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41. Remove retaining ring (49) and plate (50) from the ring gear.

42. Remove clutch piston (51) from No. 3 and 4 clutch housing.

43. Remove seal rings (52) and (53) from the clutch piston.

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.

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46. Remove clutch plate (55) from No. 3 and 4 clutch housing.

47. Remove clutch piston (56) from No. 3 and 4 clutch housing.

48. Remove seal rings (57) and (58) from the clutch piston.

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.

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55. Use a hammer and a punch to push the spring pins through carrier (60) into planetary shafts (66). Remove the planetary shafts.

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.

66. Remove clutch piston (80) from the No. 2 clutch housing.

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67. Remove seal rings (81) and (82) from the clutch piston.

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.

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.

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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.

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).

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80. Use a press, and remove bearing (103) from sun gear (105).

81. Remove retaining ring (104) from the carrier.

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.

92. Remove clutch piston (123) from the No. 1 clutch housing.

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93. Remove seal rings (124) and (125) from the clutch piston.

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.

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.

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housing.

98. Remove seals (127) from the shaft.

99. Use a press and Tool (K) to remove bearing (132) from the input shaft.

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.

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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.

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.

4. Carefully install input shaft (126) in the No. 1 clutch housing.

NOTICE

Be sure seals (127) are not damaged when the input shaft is installed in the bore of 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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place.

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.

11. Install ring gear (122) in the No. 1 clutch housing.12. Install sun gear (121) on the input shaft.

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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).

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.

NOTICE

Check the condition of spring pins (134). If the spring pins are worn or damaged, use new parts for replacement.

17. Install seal ring (113) on carrier (111).

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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).

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.

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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.

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.

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31. Use a hammer and punch to install the spring pins that hold planetary shafts (93) in carrier (89).

NOTICE

Check the condition of the spring pins. If the spring pins are worn or damaged, use new parts for replacement.

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.

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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place.

36. Install springs (85) on rods (83) as shown.

37. Install ring gear (87) on carrier assembly (89). Be sure the ring gear teeth are correctly engaged.

38. Install five friction discs (84) and four clutch plates (86) (forward) on center plate (106) in alternating order. Start and stop with a friction disc.

39. Install seal rings (81) and (82) on clutch piston (80) as shown. Be sure the lips of the seal rings are installed as shown in Photo B49366P2.

40. Install clutch piston (80) in No. 2 clutch housing (78).

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41. Install clutch plate (79) on No. 2 clutch housing (78). Be sure small holes (137) in the plate are in alignment with the holes in the No. 2 clutch housing as shown.42. Install Tooling (C) to hold the clutch piston and clutch plate in the No. 2 clutch housing.

43. Install two of Tooling (A) and a hoist on No. 2 clutch housing (78). Install the clutch housing on the clutch plate as shown. The weight of the housing is approximately 23 kg (50 lb).

44. Install bolts (138) and the washers that hold the two housings and clutch plate together. Tighten the bolts to a torque of 111 ± 11 N·m (82 ± 8 lb ft).

45. Lower the temperature of the two bearings and put them in position in both ends of output shaft (74). Use Tooling (L) to install the bearings until they are 12.0 ± 0.5 mm (.472 ± .020 in) from the end of the output shaft. The inside diameter of the bearings must be 34.988 ± .039 mm (1.3775 ± .0015 in) after assembly.

46. Heat bearing (73) to a maximum temperature of 135 °C (275 °F), and install it on the output shaft as shown. Be sure ball (139) in the output shaft fits into the notch in the bearing and the

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shaft as shown. Be sure ball (139) in the output shaft fits into the notch in the bearing and the opening (slot) in the bearing is toward the top of the output shaft.

47. Install sun gear (76) on output shaft (74) as shown.48. Use Tool (J) to install retaining ring (75) on the end of the output shaft.

49. Install output shaft (74) over input shaft (126) as shown.

50. Install retaining ring (72) in the carrier assembly to hold output shaft (74) in place.51. Install the plastic thrust disc used between the reverse planetary carrier and the forward planetary carrier.

52. Install bearing (69) in planet gear (68).53. Install thrust washers (67), bearings (68) and thrust washers (70) in the carrier.

54. Install planetary shafts (66) in carrier (60) to hold the thrust washers, bearings and planet

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54. Install planetary shafts (66) in carrier (60) to hold the thrust washers, bearings and planet gears in place.

55. Use a hammer and punch to install spring pins (71) in the carrier that hold the planetary shafts in place.

NOTICE

Check the condition of spring pins (71). If the spring pins are worn or damaged, use new parts for replacement.

56. Install retaining ring (65) in the groove of the carrier as shown.

57. Compress retaining ring (65), and install carrier assembly (60) on ring gear (64). Install the carrier assembly on the ring gear until the retaining ring fits into the groove in the ring gear.

58. Install carrier assembly (60) and ring gear (64) in the No. 2 clutch housing. Be sure all gear teeth are correctly engaged.59. Install three friction discs (61) and two clutch plates (62) (fourth speed) in alternating order. Start and stop with a friction disc as shown.60. Install springs (59) on the rods.

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60. Install springs (59) on the rods.

61. Install seal rings (57) and (58) on clutch piston (56). Be sure the lips of the seal rings are installed as shown in Photo B49385P2.

62. Install Tooling (H) on No. 3 and 4 clutch housing (54).63. Install clutch piston (56) in No. 3 and 4 clutch housing (54) as shown. Be sure that the lips of the seal rings are down.

64. Install clutch plate (55) on the clutch housing as shown. Be sure the larger holes in the clutch plate are in alignment with the larger holes in the clutch housing.65. Install Tooling (G) to hold clutch plate (55) to the clutch housing.

66. Fasten a hoist to No. 3 and 4 clutch housing (54), and install it on the No. 2 clutch housing as shown.

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67. Install seal rings (52) and (53) on clutch piston (51). Be sure the lips of the seal rings are installed as shown in Photo B49389P2.

68. Install clutch piston (51) in the No. 3 and 4 clutch housing as shown. Be sure that the lips of the seal rings are down.

69. Install plate (50) in ring gear (48).70. Install retaining ring (49) in the ring gear that holds the plate in place.

71. Install ring gear (48) and the plate in the No. 3 and 4 clutch housing as shown. Be sure the gear teeth on the ring gear are in alignment with the carrier gears.

72. Install five friction discs (47) and the four clutch plates (second speed) in alternating order in the ring gear. Start and stop with a friction disc.73. Install sun gear (46) as shown.74. Install retaining ring (45) in the groove of the output shaft with Tool (B) as shown.

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74. Install retaining ring (45) in the groove of the output shaft with Tool (B) as shown.

NOTICE

Use the method below only for non-metal rings to make them ready for installation.

Figure 1. Correct method to make (non-metal) new rings ready for installation

Figure 2. Wrong method to make (non-metal) new rings ready for installation

75. Heat seal carrier (43) to a temperature of 127° to 155 °C (260° to 330° F) for a maximum of ten minutes, and install it on housing (36) so the part number can be seen. Install the pin to hold seal carrier (43) in position. Install seal rings (44) on the seal carrier as shown.

76. Put clutch housing (36) in position on gear (140) as shown.

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76. Put clutch housing (36) in position on gear (140) as shown.

77. Install five disc springs (141) in the housings as shown. Be sure that the outside edges of the disc springs make contact first.

78. Install retainer plate (39) on the housing.

79. Use steel spacers and a press to put the retainer plate and disc springs under compression. Install retaining ring (38).

80. Install retaining ring (37) on the clutch housing as shown.

81. Put the clutch housing and gear in position in the ring gear as shown. Use Tool (F) to compress retaining ring (37) that holds the clutch housing in the ring gear.

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82. Install two clutch plates (35) and two friction discs (34) (third speed) in alternating order. Start with a clutch plate and end with a friction disc. Be sure the small hole in clutch plate (35) is installed on rods (142) as shown.

83. Install springs (33) on the rods.

84. Install Tooling (A) on support housing (31).85. Install bearing (143) in support housing (31) with Tooling (E).

86. Use Tool (B) to install retaining ring (32) in the support housing.

87. Fasten a hoist to Tooling (A), and put support housing (31) in position on the No. 3 and 4 clutch housing.

NOTICE

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NOTICE

Be sure the dowel in gear (96) and the notch in bearing (143) are in alignment. If necessary, turn gear (140) align the components.

88. Install the washers and bolts (30), and tighten them to a torque of 111 ± 11 N·m (82 ± 8 lb ft).

89. Use Tool (B) to install retaining ring (29) on the support housing.

90. Use Tool (B) to install retaining ring (28) on the output shaft.

91. Install ring gear (25) on the housing as shown.92. Install four friction discs (27) and four clutch plates (26) on the gear in alternating order. Start with a clutch plate and stop with a friction disc.93. Install springs (24) in the holes on the housing as shown.

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94. Install spring pins (21) in No. 6 clutch housing (18) as shown.

95. Install seal rings (22) and (23) on clutch piston (20). Be sure the lips of the seal rings are installed as shown in Photo B49416P2.

96. Install clutch piston (20) in the No. 6 clutch housing as shown.

97. Install clutch plate (19) in the No. 6 clutch housing as shown.98. Use Tooling (C) to hold the clutch plate in the clutch housing.

99. Install 1/2"-13 NC X 254 mm (10 in) long guide bolts (144) in the housing as shown.

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100. Install No. 6 clutch housing (18) on the housing as shown.

101. Remove the guide bolts. Install the washers and bolts (17) that hold the No. 6 clutch housing to the housing. Tighten the bolts to a torque of 111 ± 11 N·m (82 ± 8 lb ft).

102. Install bearings (14) in planet gears (13).103. Install thrust washers (12), planet gears (13) and thrust washers (15) in the carrier.

104. Install planetary shafts (11) in carrier (8) to hold the thrust washers, planet gears and bearings in place.

105. Use a hammer and a punch to install spring pins (16) into the carrier and planetary shafts.

NOTICE

Check the condition of spring pins (16). If the spring pins are worn or damaged, use new parts for replacement.

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105. Use a hammer and a punch to install spring pins (16) into the carrier and planetary shafts.

106. Install metal seal ring (10) on the carrier.

107. Compress metal seal ring (10), and install carrier assembly (8) in the ring gear until the metal seal ring fits into the groove of the ring gear.

108. Use Tool (B) to install retaining ring (9) on the output shaft.

a. Put air free of water under a pressure of 690 kPa to 1030 kPa (100 psi to 150 psi) into each of the six oil passages.b. If the clutch pistons do not move, put a small amount of clean SAE 30 oil in each passage. Check for movement again. If the clutch pistons still do not move, the transmission must be disassembled and the clutch pistons and seal rings checked.

109. Check to be sure the clutch pistons are free in their clutch housings with Tool (M) as follows:

110. Install O-ring seals (5) and (6) on the transmission case.

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110. Install O-ring seals (5) and (6) on the transmission case.

111. Fasten Tooling (A) and a hoist to the No. 1 clutch housing as shown. Lower the transmission into the transmission case. Install the two bolts that hold them together.

112. Fasten Tooling (A) and a hoist to housing (4), and carefully lower it on the transfer gear case as shown.113. Install bolts (3) that hold the transmission to the transfer gear case.114. Be sure the O-ring seal is in position in elbow (1). Install elbow (1) on case (2).

a. install transmission hydraulic control valveb. install torque converter

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