armado y desarmado transmision 930

Disassembly and Assembly 920 & 930 WHEEL LOADER POWER TRAIN

Transmission SMCS - 3150-16; 3150-15

Disassemble Transmission

start by:

a) separation of torque converter from transmission

1. Remove sleeves (1) from the manifold.

Shutdown SIS

Previous Screen

Product: WHEEL LOADER Model: 930 WHEEL LOADER 41K Configuration: 930 WHEEL LOADER 41K05315-UP (MACHINE) POWERED BY 3304 ENGINE

Media Number -REG00975-01 Publication Date -01/12/1977 Date Updated -10/10/2001

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2. Remove cover (2) and the back-up alarm switch.

3. Remove two bolts from pressure control valve (3) and install two 5/16"-18 NC guide pins approximately 7 in. (17.8 cm) long as shown.

4. Remove the bolts and remove pressure control valve (3).

5. Remove the fitting and cover (5) from the case. Pull the sleeve from plate (4). Remove plate (4).

6. Remove the bolts that hold lever assemblies (8) to the shafts. Remove levers (6) and (7) with the shafts and washers from the transmission case.



7. Remove lever assemblies (8) from the valve spools.

8. Remove guide pins (3) and remove selector valve (9).

NOTE: See DISASSEMBLE TRANSMISSION HYDRAULIC CONTROL VALVES to disassemble the pressure control and selector valves.

9. Remove ring (13) from sleeve (12).

10. Push sleeve (12) down and out of manifold (10).

11. Remove bolts (11) and remove manifold (10).

12. Remove sleeve (12).

13. Remove the ring that holds No. 1 clutch assembly (15) in position from shaft assembly (14).

14. Install two 3/8"-16 NC forged eyebolts in No. 1 clutch assembly (15).

15. Fasten a hoist and remove clutch assembly (15). Weight of the clutch assembly is 60 lb. (27 kg).



16. Remove the eyebolts from the clutch assembly and remove coupling (16) from piston (17).

17. Remove bearing race and roller assembly (18) from the inside of coupling (16) with tooling (A).

18. Remove bolts (19), locks (21) and piston (20) from piston (17).

19. Remove springs (22) and manifold (23) from piston (17).

20. Remove the seal rings from manifold (23).



21. Remove piston (17) from hub (24).

22. Remove disc assemblies (25) and the plate from hub (24).

23. Remove plate (26) from hub (24) with two 3/8"-16 NC forcing screws.

24. Remove bearing race (27) from hub (24).

25. Remove bolts (29) and (30) that hold case (28) in position.



26. Install two 3/8"-16 NC forged eyebolts in case (28). Fasten a hoist to case (28) and remove the case. Weight of the case is 135 lb. (61 kg).

27. Remove springs (33) and bolts (31).

28. Remove plate (32) and the carrier assembly as a unit.

29. Remove the ring that holds carrier assembly (36) and plate (32) together.

30. Remove plate (32) from the carrier assembly.

31. Remove ring (34) and bearing (35) from plate (32).

32. Remove the seal ring from sleeve (37).

33. Remove seal ring (38) from carrier assembly (36).



34. Push the pins into shafts (40) with a punch and hammer.

35. Remove shafts (40), gears (39) and the washers from carrier assembly (36). There is a washer on each side of the gears. Remove the bearings from the gears. Remove the pins from the shafts.

36. Remove the dowel and sleeve (37) from carrier assembly (36) if a replacement is necessary.

37. Remove shaft assembly (42).

38. Remove pin (44) and seal rings (43) from the shaft assembly.

39. Remove the seal ring from coupling (41).

40. Remove the ring that holds coupling (41) in position and remove coupling (41) from shaft assembly (42).

41. Remove gear (45), disc assemblies (46) and plates (47) from the No. 2 clutch housing.

42. Remove No. 2 clutch housing (49) and remove piston (48) from the housing.

43. Remove the seal rings from piston (48).



44. Remove pins (51) and springs (53) from the No. 3 and 4 clutch housing.

45. Push pins (50) into the carrier assembly with a punch and hammer.

46. Pull the ends of the ring that hold gear (52) in position, together and remove gear (52).

47. Remove disc assemblies (54) and plates (56) from No. 3 and 4 clutch housing (55).

48. Remove gear (57) from clutch housing (55).

49. Install tool (B) to hold No. 3 clutch piston (58) and the No. 4 clutch piston in position.



50. Install two 1/2"-13 NC forged eyebolts in clutch housing (55). Fasten a hoist and remove clutch housing (55) the pistons and the two planetary gear assemblies as a unit. Weight of the unit is 90 lb. (41 kg).

51. Remove tool (B) and remove the pistons from clutch housing (55).

52. Remove the seal rings from the pistons.

53. Remove bolt (59), the plate and the No. 3 carrier from clutch housing (55).

54. Turn clutch housing (55) over. Remove ring (63) that holds carrier (60) in position and remove No. 2 carrier (60) from the clutch housing.

55. Remove ring (61) and bearing (62) from clutch housing (55).

56. Remove seal rings (64) from each side of the clutch housing.

57. Remove the pins and the ring from the groove in No. 2 carrier (60).

58. Push pins (66) into shafts (65) with a punch and hammer.

59. Remove shafts (65), gears (67) and the washers from carrier (60). There is a washer on each side of the



gears. Remove the bearings from the gears. Remove the pins from the shafts.

60. Remove seal ring (68) from No. 3 carrier (71).

61. Push pins (70) into shafts (69) with a punch and hammer.

62. Remove shafts (69), gears (72) and the washers from carrier (71). There is a washer on each side of the gears. Remove the bearings from the gears. Remove the pins from the shafts.

63. Remove springs (73) and pins (74).

64. Remove No. 4 disc assemblies (75) and the plates.

65. Remove ring (76) and remove gear (77).

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66. Install tool (B) to hold No. 5 piston (79) in No. 5 clutch housing (78).

67. Install two 7/16"-14 NC forged eyebolts in clutch housing (78). Remove the clutch housing and piston (79) by hand.

68. Remove tool (B) and piston (79) from the clutch housing. Remove the seal rings from the piston and clutch housing.

69. Remove springs (80), disc assemblies (81), plate (83) and gear (82).

70. Remove plate (85).

71. Remove the bolt and washer and remove gear (84).



72. Remove bolts (87) and the washer and remove carrier (86).

73. Push pins (88) into the shafts with a punch and hammer.

74. Remove the shafts, the washers and gears (89) from carrier (86). There is a washer on each side of the gears. Remove the bearings from the gears. Remove the pins from the shafts.

75. Remove springs (90), pins (91), gear (93), disc assemblies (92) and the plates.

76. Remove bolts (94), the locks and retainer (95).



77. Install two 3/8"-16 NC forged eyebolts in No. 6 clutch housing (97) and remove the clutch housing and piston (96).

78. Remove piston (96) from clutch housing (97). Remove the seal rings from the piston and clutch housing.

79. Remove the ring that holds the bearing in No. 6 clutch housing (97).

80. Remove the bearing from clutch housing (97) with a press and tool (C).

Assemble Transmission

1. If necessary, make a replacement of dowels (3) in No. 6 clutch housing (2) so they extend the same height as the original dowels.



2. Lower the temperature of bearing (4) and install it in No. 6 clutch housing (2).

3. Install ring (1) to hold bearing in position.

4. Install the pistons and seal rings in all of the clutch housings as follows:

a) Put clean oil on the seal rings.

b) Install seal rings (6) in the clutch housings.

c) Install seal rings (7) in pistons (5).

d) Make sure the seal rings are in the centers of their respective grooves. Lightly push the pistons into position in the housings.

5. Install two 3/8"-16 NC forged eyebolts in No. 6 clutch housing (2) and install the clutch housing and piston in the output transfer gear case.

NOTICEBe extra careful when the pistons are installed in the housings. Seal rings with damage or broken seal rings can be the result of too much force used or the pistons not in alignment with the housings.



6. Install retainer (8), the three locks and tighten the bolts.

7. Install gear (9) and pins (11) and (12) in No. 6 clutch housing.

8. Install three disc assemblies (10) and two plates (13). Start with a disc assembly.

9. Install springs (14) on the pins for No. 6 clutch housing assembly.

10. Assembly No. 6 planetary carrier (15) as follows:

a) Install bearing (16) in each gear (17).



b) Put gears (17) in position in carrier (15) with washers (20) and (21) on each side of the gears.

c) Install shafts (18) in carrier (15) to hold gears (17) and the washers. Make sure the holes in the shafts are in alignment with the holes in the carrier.

d) Install pins (19) even with the surface of carrier (15) to hold shafts (18) in position.

11. Put No. 6 planet carrier (15) in position on the clutch housing. Make sure the springs and pins are in position and install the washers and bolts (24). Tighten the bolts to a torque of 85 ± 5 lb.ft. (115 ± 7 N·m).

12. Install sleeve (23), sun gear (22), the washer and bolt. Tighten the bolt to a torque of 34 ± 2 lb.ft. (45 ± 3 N·m).

13. Install plate (26) and No. 5 clutch ring gear (25).

14. Install long pins (28), the two disc assemblies (27) and plate (29). There must be a disc assembly on each side of plate (29).



15. Install springs (30).

16. If necessary, make a replacement of dowels (31) on each side of No. 5 clutch housing (32) so they extend the same height as the original dowels.

17. Use tool (A) to hold the piston in No. 5 clutch housing (32) and install the clutch housing. Remove tooling (A).

18. Install No. 4 clutch ring gear (33) and ring (34) to hold the gear in position.

19. Install the three disc assemblies (35) and two plates (36) for the No. 4 clutch. Start with a disc assembly.




21. Assemble No. 4 planetary carrier as follows:

a) Install seal rings (38) on carrier (45).

b) Install bearings (39) and (41) in each gear (40).

c) Put gears (40) in position in carrier (45) with washers (44) on each side of the gears.

d) Install each shaft (42) in carrier (45) to hold gears (40) and washers (44) in position. Make sure the holes in the shafts are in alignment with the holes in the carrier.

3) Install pins (43) even with the surface of carrier (45) to hold shafts (42) in position.


a) Install seal ring (46) on carrier (47).




c) Put gears (49) in position in carrier (47) with washers (53) on each side of the gears.

d) Install each shaft (51) in carrier (47) to hold gears (49) and washers (53) in position. Make sure the holes in the shafts are in alignment with the holes in the carrier.

e) Install pins (52) even with the surface of carrier (47) to hold shafts (51) in position.

23. Lower the temperature of bearing (54). Install the bearing in No. 3 and 4 clutch housing (55) with the notch of the bearing down toward the No. 3 clutch side of housing (55).

24. Install ring (56) to hold bearing (54) in position.

25. Install No. 3 planetary carrier (47) in the No. 3 and 4 clutch housing. Make sure dowel (57) in the carrier is in alignment with notch (58) in the bearing.

26. Turn housing (55) and planetary carrier (47) over and install ring (59) to hold the planetary carrier in position.



27. Install the No. 4 planetary carrier (45) in clutch housing (55).

28. Turn clutch housing (55) and the No. 4 planetary carrier over and install the plate and bolt (61) to hold the carrier in position. Make sure the boss in the plate is engaged with the hole in the No. 4 planetary carrier. Tighten bolt (61) to a torque of 34 ± 2 lb.ft. (45 ± 3 N·m).

29. Install ring (60) in No. 3 carrier (47).

30. Install tooling (A) to hold the No. 4 piston in position in clutch housing (55).

31. Install two 1/2"-13 NC forged eyebolts in clutch housing (55) and fasten a hoist to it.

32. Put clutch housing (55) in position on the transmission. Make sure the springs are correctly engaged in the No. 4 piston.

33. Remove the eyebolts and tooling (A).



34. Make sure No. 3 piston (63) is in position in clutch housing (55) and install ring gear (62).

35. Install pins (65), the four disc assemblies (64) and three plates (66). Start with a disc assembly.

36. Put ring (60) under compression to install gear (67).

37. Use a hammer and punch and install pins (68) to hold the ends of the ring apart inside gear (67).




39. If necessary, make a replacement of dowels (70) in No. 2 clutch housing (69) so they extend to the same height as the original dowels.

40. Install No. 2 clutch housing (69) and piston. Make sure springs (71) engage in the holes in the No. 2 clutch housing.

41. Install ring gear (74), the five disc assemblies (72) and four plates (73). Start with a disc assembly.

42. Install pin (78), seal rings (77) and coupling (75) in shaft assembly (76). Install the ring that holds coupling (75) in shaft assembly (76).

43. Install the seal ring on coupling (75).

44. Install shaft assembly (76).




a) Install the seal ring on carrier assembly (79).


c) Put gears (81) in position in carrier assembly (79) with washers (85) on each side of the gears.

d) Install shaft (83) in carrier assembly (79) to hold gears (81) and washers (85) in position. Make sure the holes in the shafts are in alignment with the holes in the carrier assembly.

e) Install pins (84) even with the surface of carrier assembly (79) to hold shafts (83) in position.

46. Lower the temperature of bearing (87) and install it in plate (89). Make sure the notch in bearing (87) is down when it is installed in the plate. Install ring (86) to hold the bearing.

47. Heat sleeve (88) in oil to a maximum temperature of 275°F (135°C) and install it on carrier assembly (79). Install the dowel in carrier assembly (79) above sleeve (88). Install the seal ring on sleeve (88).

48. Put plate (89) on carrier assembly (79). Make sure the notch in bearing (87) engages with the dowel in carrier assembly (79). Install the ring that holds plate (89) and carrier assembly (79) together.



49. Install plate (89) on the No. 2 clutch housing.

50. Install springs (90), the washers and bolts (91). Make sure all springs are engaged correctly and tighten bolts (91) to a torque of 85 ± 5 lb.ft. (115 ± 7 N·m).

51. Check to make sure the pistons are free in their clutch housings as follows:

a) Put air (free of water) under a pressure of 100 to 150 psi (7.0 to 10.5 kg/cm2) or (690 to 1030 kPa) into the five oil passages with tool (B).

b) There must be .12 to .25 in. (3.0 to 6.4 mm) of travel for each piston.

c) If the pistons do not move the distance in Step 51 b put a small amount of oil in the five passages. Follow procedure in Step 51 a. If the pistons still do not move, the transmission must be disassembled and the pistons checked.

52. Install two 3/8"-16 NC forged eyebolts in case (92). Fasten a hoist to case (92). Make sure the O-ring seals are in position on the output transfer gear case and install case (92).

53. Install the nine long bolts and washers that hold case (92) in position and tighten them to a torque of 85 ± 5 lb.ft. (115 ± 7 N·m).



54. Assemble the No. 1 clutch as follows:

a) Lower the temperature of bearing cup (93) and install it in hub (94).

b) Heat race and roller assembly (95) in oil to a maximum temperature of 275°F (135°C) and install it on coupling (96).

c) Install plate (97) in coupling (96).

d) Install hub (94) in coupling (96).

e) Install the two disc assemblies (98) and plate (99) in coupling (96) as shown.



f) Put clean oil on seal rings (101) and install them on manifold (100).

g) Make sure the seal rings (101) are in the centers of their respective grooves. Lightly push manifold (100) into coupling (96).

h) Install the washers, bolts (103) and springs (102).

j) Make sure the O-ring seal is in position in coupling (96) and install piston (104) on the coupling. Install the bolts and locks that hold the piston and coupling together.

55. Install two 3/8"-16 NC forged eyebolts in the No. 1 clutch and fasten a hoist to it.

56. Install the No. 1 clutch in the transmission as shown.



57. Install ring (105) to hold the No. 1 clutch in position.

58. If necessary make a replacement of the four bearings (106) and two seals for the control lever shafts with tool group (C). Install the inner bearings until they are even with the inside surface of the case. Install the outer two bearings until they are even with the bottom of the seal counterbores. Put 7M7260 Liquid Gasket Material in the seal counterbore. Install the seals with the lip of the seals toward the inside as shown.

59. Install the O-ring seals on sleeve (107).

60. Install sleeve (107) so it is pushed all the way into the output transfer gear case for installation of the valve manifold.

61. Make sure the five O-ring seals (108) are in position on the transmission.



62. Install manifold (109) and tighten the four bolts to a torque of 35 ± 3 lb.ft. (45 ± 4 N·m).

63. Push sleeve (107) up into manifold (109) and install the ring to hold the sleeve in position.

NOTE: See ASSEMBLE TRANSMISSION HYDRAULIC CONTROL VALVES to assemble the selector and pressure control valves.

64. Put selector valve (110) in position and install two 5/16"-18 NC guide bolts approximately 7 in. (17.8 cm) long to hold the valve in position.

65. Put levers (113) in position. Make sure that the levers are engaged with the valve spools and install levers (111) and (112) with the washers and shafts. Install the bolts that hold levers (113) to the shafts and tighten them to a torque of 35 ± 3 lb.ft. (45 ± 4 N·m).

NOTICEWhen selector valve (110) is installed the valve spools must be held in position because they are free to fall out and be damaged.



66. Put plate (114) in position. Install sleeve (115) and the O-ring seals in plate (114). Install the cover and fitting for sleeve (115) on the case.

67. Install pressure control valve (116) and install four of the bolts that hold the valves in position. Remove the guide bolts and install the remainder of the bolts that hold the valve together. Tighten the twelve point 5/16"-18 NC bolts to a torque of 22 ± 3 lb.ft. (28 ± 4 N·m) and the 3/8"-16 NC bolts to a torque of 35 ± 3 lb.ft. (45 ± 4 N·m).

68. Install the gasket, cover (118) and the back-up alarm (119).

69. Install the O-ring seals on sleeves (117) and install the sleeves in the transmission.

end by:

a) connection of torque converter to transmission

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Sun Nov 28 19:20:51 CST 2010



armado y desarmado transmision 930

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