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Caterpillar Cat 966M Wheel Loader (Prefix L8R) Service Repair Manual (L8R00001 and up)

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Caterpillar Cat 966M Wheel Loader (Prefix L8R) Service Repair Manual (L8R00001 and up)

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  1. Service Repair Manual Models 966M WheelLoader

  2. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M007... 1/21 Shutdown SIS Previous Screen Product: WHEEL LOADER Model: 966M WHEEL LOADER L8R Configuration: 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine Disassembly and Assembly 966M T3, 972M T3, 966L T3 and 972L T3 Wheel Loader Power Train Media Number -M0071452-04 Publication Date -01/02/2018 Date Updated -26/02/2018 i06909951 Transmission Planetary - Disassemble SMCS - 3160-015 Disassembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1P-2420 Transmission Repair Stand 1 B 439-3940 Bracket As 3 C 1P-0520 Driver Gp 1 D 8B-7551 Bearing Puller 1 Start By: a. Separate the transmission from the output transfer gears. Note: Cleanliness is an important factor. Before the disassembly procedure, clean the exterior of the component . Cleaning will help to prevent dirt from entering the internal mechanism. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  3. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M007... 2/21 Illustration 1 g03371891 1. Remove O-ring seal (1) from the housing. 2. Remove bolt (2). Remove drive gear (3) from the end of the input shaft. Illustration 2 g02146314 3. Remove plate (4). Illustration 3 g03368860 4. Attach Tooling (B) and a suitable lifting device to the transmission, as shown. The weight of the transmission is approximately 425 kg (936 lb). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  4. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M007... 3/21 5. Carefully position the transmission on the opposite end so that No. 6 clutch housing (5) is facing upward, as shown. Illustration 4 g03371894 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. 6. Remove retaining ring (6) from output shaft assembly (7). Remove bolts (8) and No. 6 clutch housing (5). Mark the location of the long bolts. Illustration 5 g02146318 7. Remove clutch piston (9) from No. 6 clutch housing (5). 8. Remove seal rings (10) and (11) from clutch piston (9). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  5. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M007... 4/21 Illustration 6 g02146333 9. Remove clutch plate (12), springs (13), and the pins. Illustration 7 g02146353 10. Remove clutch plates (12) and friction discs (14). Remove dowels (15). Illustration 8 g02146354 11. Remove ring gear (16). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  6. https://www.aservicemanualpdf.com/ My Dear Friend! Thank you very much for visiting. Full manual if required, please enter the following URL into your browser. https://www.aservicemanualpdf.com/

  7. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M007... 5/21 Illustration 9 g02146356 12. Remove carrier assembly (17). Remove bolts (18). Illustration 10 g02146358 13. Remove metal seal ring (19) from carrier assembly (17). Illustration 11 g03369514 14. Push the spring pins (20) through carrier assembly (17) and into planetary shafts (21). Remove planetary shafts (21) from carrier assembly (17). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  8. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M007... 6/21 Illustration 12 g02146362 15. Remove thrust discs (22), planetary gears (23), and bearings (24) from the carrier assembly. Remove spring pins (20) from planetary shafts (21). Illustration 13 g03369518 16. Disconnect the harness assemblies (26) which are attached to transmission modulating valves (25). Remove transmission modulating valves (25) from the transmission housing. Illustration 14 g02146368 17. Remove retaining ring (27) and (28). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  9. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M007... 7/21 Illustration 15 g03368870 18. Use Tooling (B) and a suitable lifting device to remove housing assembly (29). The weight of housing assembly (29) is approximately 88 kg (195 lb). Illustration 16 g02146402 19. Remove bearing (30) from housing assembly (29). Illustration 17 g03369527 20. Remove retaining ring (33) and clutch assembly (31). Remove springs (32) and rods (34) (not shown). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  10. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M007... 8/21 Illustration 18 g03369533 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. 21. Use steel spacers and a suitable press to install retainer plate (35). Remove retaining ring (36) from the clutch assembly (31). Illustration 19 g03369538 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  11. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M007... 9/21 Illustration 20 g03369542 22. Separate retaining ring (36), retainer plate (35), and five coned disc springs (37). Remove seal rings (39) from clutch piston (38). Remove seal rings (41) from clutch housing (40). Illustration 21 g03368881 23. Remove friction discs (42) and clutch plates (43). Remove dowels (44). Illustration 22 g03368887 24. Remove retaining ring (45) from output shaft assembly (7). Remove sun gear (46). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  12. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M0... 10/21 Illustration 23 g03368894 25. Remove friction discs (47) and clutch plates (48). Illustration 24 g03368903 26. Remove ring gear (49). Illustration 25 g03368911 27. Remove retaining ring (50). Remove plate (51) from ring gear (49). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  13. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M0... 11/21 Illustration 26 g03368917 28. Remove clutch piston (53). Remove O-ring seal (52). Use Tooling (B) and a suitable lifting device to remove housing (54). The weight of housing (54) is approximately 54 kg (119 lb). Note: Remove the clutch piston in the bottom of housing (54). The clutch piston may be stuck in housing (54). As housing (54) is removed, the other clutch piston may fall. Illustration 27 g03368958 29. Remove seal rings (55) and (56) from clutch pistons (53). Illustration 28 g03368965 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  14. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M0... 12/21 30. Remove dowels (57). Remove O-ring seal (58). Remove clutch plate (59). Remove springs (60). 31. Remove friction discs (61) and clutch plates (59). Illustration 29 g03368978 32. Remove carrier assembly (62). Illustration 30 g03368982 33. Use several small steel rods (64) ( 3.175 mm (0.1250 inch) diameter and one pointed tip) to compress the retaining ring that holds carrier assembly (62) to ring gear (65). 34. Remove carrier assembly (62) from ring gear (65). Remove ring seal (63). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  15. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M0... 13/21 Illustration 31 g03368984 35. Remove retaining ring (66) from carrier assembly (62). Illustration 32 g03368986 36. Use a suitable punch to push spring pins (67) (not shown) through carrier assembly (62) and into planetary shafts (68). Illustration 33 g03368993 37. Remove thrust discs (69), planetary gears (70), and bearings (71) from the carrier assembly. Remove spring pins (67) from planetary shafts (68). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  16. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M0... 14/21 Illustration 34 g03368998 38. Remove retaining ring (72). Remove output shaft assembly (7). Illustration 35 g03368999 39. Remove retaining ring (75). Remove sun gear (74). Remove bearing (73). Remove bearings (76) from each end of output shaft assembly (7). Illustration 36 g03369002 Illustration 37 g03369004 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  17. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M0... 15/21 40. Remove bolts (78). Use Tooling (B) and a suitable lifting device to remove housing (77). The weight of housing (77) is approximately 61 kg (135 lb). Note: Remove clutch piston (79) in the bottom of housing (77). Clutch piston (79) may be stuck in housing (77). As housing (77) is removed, clutch piston (79) may fall. 41. Remove seal rings (80) from clutch piston (79). Illustration 38 g03369196 42. Remove plate (81). Remove springs (82). Remove dowels (83). Remove friction discs (84) and clutch plates (85). Illustration 39 g03369203 43. Remove retaining ring (87). Use two people to remove carrier assembly (86). The weight of carrier assembly (86) is approximately 29 kg (65 lb) https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  18. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M0... 16/21 Illustration 40 g03369312 44. Remove ring gear (88) from carrier assembly (86). Illustration 41 g03369218 45. Use several small steel rods (89) ( 2.36 mm (0.093 inch) diameter and one pointed tip) to compress the retaining ring that holds carrier assembly (86) to ring gear (90) together. 46. Remove ring gear (90) from carrier assembly (86). Illustration 42 g03369321 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  19. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M0... 17/21 47. Use a suitable punch to push spring pins (91) through carrier assembly (86) and into planetary shafts (92). Illustration 43 g03369333 48. Use a suitable punch to remove planetary shafts (92) from carrier assembly (86). Illustration 44 g03369340 49. Open retaining ring (93) into slots in the planetary shaft holes. Use Tooling (C) to remove bearing (94) and sun gear (95) from carrier assembly (86). Remove thrust disc (96). Illustration 45 g03369356 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  20. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M0... 18/21 50. Remove thrust discs (97), planetary gears (98), and bearings (99) from the carrier assembly. 51. Remove spring pins (91) from planetary shafts (92). Illustration 46 g03369388 52. Remove O-ring seal (100). Remove plate (101). Illustration 47 g03369404 53. Remove O-ring seal (102). Remove friction discs (103) and clutch plates (104). Illustration 48 g03369414 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  21. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M0... 19/21 54. Remove ring carrier (105) and carrier assembly (106). Illustration 49 g03369415 55. Use a suitable punch to push spring pins (107) through carrier assembly (106) and into planetary shafts (108). Illustration 50 g03369423 56. Remove thrust discs (109), planetary gears (110), and bearings (111) from the carrier assembly. Remove spring pins (107) from planetary shafts (108). Illustration 51 g03369430 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  22. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M0... 20/21 57. Remove coupling (112). Remove sun gear (113). Illustration 52 g03369437 58. Remove clutch piston (114). Illustration 53 g03369478 59. Remove seal rings (115) and (116) from clutch piston (114). Illustration 54 g03369487 60. Remove retaining ring (117) to remove input shaft (119) from housing (118). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  23. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M0... 21/21 Illustration 55 g03369499 61. Remove ring seals (120) from input shaft (119). Illustration 56 g03369500 62. Use a suitable press and Tooling (D) to remove bearing (121) and race (122) from input shaft (119). Copyright 1993 - 2021 Caterpillar Inc. Fri Jul 23 12:50:48 UTC+0800 2021 All Rights Reserved. Private Network For SIS Licensees. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  24. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M007... 1/26 Shutdown SIS Previous Screen Product: WHEEL LOADER Model: 966M WHEEL LOADER L8R Configuration: 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine Disassembly and Assembly 966M T3, 972M T3, 966L T3 and 972L T3 Wheel Loader Power Train Media Number -M0071452-04 Publication Date -01/02/2018 Date Updated -26/02/2018 i06909991 Transmission Planetary - Disassemble SMCS - 3160-015 Disassembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1P-2420 Transmission Repair Stand 1 B 439-3940 Bracket As 3 C 1P-0520 Driver Gp 1 D 8H-0663 Bearing Puller 1 Start By: a. Separate the transmission from the output transfer gears. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  25. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M007... 2/26 Illustration 1 g00458960 1. Remove O-ring seal (1) from the housing. 2. Remove bolt (3), retainer (2), and drive gear (4) from the end of the input shaft. Illustration 2 g00459007 3. Remove plate (5). Illustration 3 g03370500 4. Attach Tooling (B) and a suitable lifting device to the transmission, as shown. The weight of the transmission is approximately 544 kg (1200 lb). 5. Carefully position the planetary group on the opposite end so that No. 6 clutch housing (6) is facing upward, as shown. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  26. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M007... 3/26 Illustration 4 g00459073 6. Remove retaining ring (8) from output shaft (7). Illustration 5 g00459075 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. 7. Remove bolts (9) and No. 6 clutch housing (6). Mark the location of the long bolts. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  27. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M007... 4/26 Illustration 6 g00459079 8. Remove clutch piston (10) from No. 6 clutch housing (6). 9. Remove seal rings (11) and (12) from clutch piston (10). Illustration 7 g00459087 10. Remove clutch plate (14) and springs (13). Illustration 8 g00459090 11. Remove clutch plates (15) and friction discs (16). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  28. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M007... 5/26 Illustration 9 g00459103 12. Remove ring gear (17). Remove transmission speed sensors (18). Illustration 10 g00459133 13. Remove carrier assembly (19). Illustration 11 g00459138 14. Remove metal seal ring (20) from carrier assembly (19). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  29. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M007... 6/26 Illustration 12 g00459150 15. Use a hammer and a suitable punch to push the spring pins through carrier assembly (19) and into planetary shafts (21). Illustration 13 g00459151 16. Use a hammer and a suitable punch to remove planetary shafts (21) from carrier assembly (19). Illustration 14 g00324725 17. Remove thrust discs (22), planetary gears (23), and bearings (24) from the carrier assembly. Remove spring pins (25) from planetary shafts (21). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  30. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M007... 7/26 Illustration 15 g00459161 18. Remove O-ring seal (26). Remove bolts (27) from manifold (28). Illustration 16 g00565113 19. Disconnect the harness assemblies which are attached to transmission modulating valves (29). Remove transmission modulating valves (29) from the transmission housing. Illustration 17 g03370508 20. Remove retaining ring (32) and gear (30). Remove retaining ring (31). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  31. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M007... 8/26 Illustration 18 g03370929 21. Use Tooling (B) and a suitable lifting device to remove manifold (28). The weight of manifold (28) is approximately 85 kg (190 lb). 22. Remove bolt (33) which holds the harness assembly in place. Illustration 19 g00459352 23. Remove retaining ring (34) and bearing (35) from manifold (28). Illustration 20 g03370512 24. Remove retaining ring (36) and clutch housing (37). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  32. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M007... 9/26 Illustration 21 g00459372 25. Remove O-ring seal (38) from clutch housing (37). Illustration 22 g00459375 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. 26. Use steel spacers and a suitable press to push retainer plate (40). Remove retaining ring (39) from the clutch housing. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

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  34. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M0... 10/26 Illustration 23 g00459387 27. Separate retaining ring (39), retainer plate (40), three coned disc springs (41), and clutch piston (42). Illustration 24 g00459393 28. Remove seal rings (43) from clutch piston (42). Illustration 25 g00459394 29. Remove seal rings (44) from clutch housing (37). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  35. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M0... 11/26 Illustration 26 g03370877 30. Remove retaining ring (45) from the output shaft. Remove hub (46). Illustration 27 g03370887 31. Remove friction discs (47) and clutch plates (48). Illustration 28 g03370894 32. Remove clutch plate (49) and ring gear (50). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

  36. 966M Wheel Loader L8R00001-UP (MACHINE) POWERED BY C9.3 Engine(M0... 12/26 Illustration 29 g00565193 33. Remove springs (51). Remove friction discs (52) and clutch plates (53). Illustration 30 g03370903 34. Remove clutch piston (54). Remove O-ring seals (55) and (56). Illustration 31 g00459506 35. Remove seal rings (57) and (58) from clutch piston (54). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/7/23

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