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Caterpillar Cat 12M Motor Grader (Prefix R9B) Service Repair Manual (R9B00001 and up)

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Caterpillar Cat 12M Motor Grader (Prefix R9B) Service Repair Manual (R9B00001 and up)

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  1. Service Repair Manual Models 12M M otor Grader

  2. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEBP5... 1/45 Shutdown SIS Previous Screen Product: MOTOR GRADER Model: 12M MOTOR GRADER R9B Configuration: 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine Disassembly and Assembly 12M and 120M Motor Graders Power Train Media Number -KENR6419-08 Publication Date -01/05/2017 Date Updated -15/05/2017 i07077362 Transmission - Disassemble SMCS - 3030-015; 3159-015; 3176-015 Disassembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 439-3940 Link Bracket 3 B 422-8733 Jack Stand Gp 3 C 1U-9202 Lever Puller Hoist 1 D 1P-1863 Retaining Ring Pliers 1 E 308-3470 Jack Stand Gp 2 F 140-7742 Sleeve 1 G 154-6181 Forcing Bolt 2 H FT-2769 Table 1 J 4C-8156 Lifting Fixture 1 1U-6410 Three Jaw Puller 1 K 1P-0510 Driver Gp 1 L 9U-7480 Compressing Tube 1 5P-7970 Nut 1 8T-4224 Hard Washer 1 - 1 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  3. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEBP5... 2/45 Bolt M8 - 1.25 by 460mm M 8B-7548 Push-Puller Tool Gp 1 N 2P-8312 Retaining Ring Pliers 1 1P-2321 Combination Puller 1 P 1P-0510 Driver Gp 1 189-0408 Shackle As 1 R 3E-3882 Eyebolt 1 126-7175 Push-Puller Tool Gp 1 S 4C-5653 Threaded Adapter 1 1P-0510 Driver Gp 1 Start By: a. Remove the transmission. NOTICE Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products. Dispose of all fluids according to local regulations and mandates. NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. Note: Put identification marks on all harness assemblies for installation purposes. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  4. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEBP5... 3/45 Illustration 1 g01386565 1. Attach Tooling (A) and a suitable lifting device to transmission (1). The weight of transmission (1) is approximately 862 kg (1900 lb). Use Tooling (A) and the suitable lifting device to position transmission (1) onto Tooling (B). Remove hose assembly (2). Illustration 2 g01386568 2. Remove bolts (3) to remove control module (4) and spacers (5). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  5. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEBP5... 4/45 Illustration 3 g01386574 3. Remove yoke assembly (6). Illustration 4 g01386575 4. Remove retaining ring (7). 5. Remove cup (8). Remove O-ring seal (9). Illustration 5 g01386579 6. Attach Tooling (A), Tooling (C), and a suitable lifting device to transmission (1). Use Tooling (A), Tooling (C), and the suitable lifting device to position transmission (1) onto Tooling (B) and suitable cribbing. Position transmission (1) with the output shaft upward. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

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  7. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEBP5... 5/45 Illustration 6 g01386585 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 (10) to remove plate assembly (11). Illustration 7 g01386589 8. Remove lip seal (12). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  8. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEBP5... 6/45 Illustration 8 g01386599 9. Use Tooling (D) to remove retaining ring (13). Remove coned disc springs (14). Note: Note the orientation of coned disc springs (14) for assembly purposes. Illustration 9 g01386610 10. Remove O-ring seal (15) and piston (16). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  9. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEBP5... 7/45 Illustration 10 g01386621 11. Remove piston seal (17). Remove piston seal (18). Illustration 11 g01386624 12. Disconnect harness assembly (19) and harness assembly (21). Remove guard (20). Illustration 12 g01386632 13. Remove bolts (22). Use two people to remove housing (23). The weight of housing (23) is approximately 20 kg (45 lb). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  10. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEBP5... 8/45 Illustration 13 g01386646 14. Remove pressure sensor (24) and the O-ring seal. Remove solenoid (25). Illustration 14 g01386658 15. Remove O-ring seal (26), O-ring seal (27), O-ring seal (28), O-ring seal (29), and O-ring seal (30). Illustration 15 g01386662 16. Remove seal (31). Illustration 16 g01386663 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  11. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEBP5... 9/45 17. Remove friction discs (32) and clutch plates (33). Note: Note the quantity and the order of friction discs (32) and clutch plates (33) for assembly purposes. 18. Remove O-ring seals (34) and dowels (35). Illustration 17 g01386675 19. Remove retaining ring (36). Remove hub (37). Illustration 18 g01386684 20. Attach Tooling (A), Tooling (C), Tooling F, and a suitable lifting device to transmission (1). Use Tooling (A), Tooling (C), Tooling (F), and the suitable lifting device to position transmission (1) onto Tooling (B) and Tooling (E) with the output shaft downward. The weight of transmission (1) is approximately 862 kg (1900 lb). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  12. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEB... 10/45 Illustration 19 g01386730 21. Remove bolt (38) to remove speed sensor (39) and guard (40). Illustration 20 g01386747 22. Remove bolts (41) to remove speed sensor (42) and speed sensor (43). Illustration 21 g01386749 23. Remove cover (44). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  13. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEB... 11/45 Illustration 22 g01386757 24. Remove bolts (45) to remove speed sensor (46) and speed sensor (47). Illustration 23 g01386764 25. Attach Tooling (A), Tooling (C), and a suitable lifting device to housing (49). The weight of housing (49) is approximately 136 kg (300 lb). Remove bolts (48). 26. Use Tooling (A), Tooling (C), and the suitable lifting device to remove housing (49). Note: If necessary, use Tooling (G) to assist in removal of housing (49). Illustration 24 g01386792 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  14. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEB... 12/45 27. Remove O-ring seal (50). Remove bolts (51) and the locks. Remove tube assembly (52) and the O-ring seal. Illustration 25 g01386795 28. Remove bolts (53) to remove seal carrier (54). Remove bolts (55) to remove seal carrier (56). Illustration 26 g01386797 29. Remove seal rings (57). Remove O-ring seals (58). Repeat this step for the remaining seal carrier. Illustration 27 g01386811 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  15. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEB... 13/45 Illustration 28 g01386815 30. Use Tooling (J) and a suitable lifting device to remove clutch assembly (59) and clutch assembly (60). The combined weight of clutch assembly (59) and clutch assembly (60) is approximately 163 kg (360 lb). 31. Position clutch assembly (59) and clutch assembly (60) onto Tooling (H). If necessary, support clutch assembly (60) with suitable cribbing. 32. Remove Tooling (J) to separate clutch assembly (59) from clutch assembly (60). Illustration 29 g01386827 33. Use Tooling (K) to remove bearing (61) and rotor (62) from clutch assembly (59). Note: Be sure to attach Tooling (K) to gear assembly (63) to prevent damage to rotor (62). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  16. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEB... 14/45 Illustration 30 g01386841 34. Remove thrust washer (64) and gear assembly (63). Note: Note the orientation of thrust washer (64) for assembly purposes. Illustration 31 g01386992 35. Remove bearing sleeves (65) from gear assembly (63). Illustration 32 g01386993 36. Remove thrust washer (66). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  17. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEB... 15/45 Note: Note the orientation of thrust washer (66) for assembly purposes. Illustration 33 g01386997 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. 37. Use Tooling (L) to compress hub assembly (67). Remove lock rings (68) and two half rings (69) (not shown). Note: Note the orientation of lock rings (68) and two ring halves (69) for assembly purposes. Illustration 34 g01387088 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  18. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEB... 16/45 38. Remove hub assembly (67), friction discs (70), and clutch plates (71). Note: Note the order of friction discs (70) and clutch plates (71) for assembly purposes. Illustration 35 g01387093 39. Remove wave spring (72) and piston (73). Illustration 36 g01387119 40. Remove seal rings (74) and (75) from piston (73). Illustration 37 g01387137 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  19. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEB... 17/45 41. Use a suitable lifting device to turn over clutch assembly (59). The weight of clutch assembly (59) is approximately 59 kg (130 lb). Illustration 38 g01387150 Illustration 39 g01387221 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. 42. Use Tooling (M) to remove bearing (76). Remove thrust washer (77), thrust disc (78), and gear assembly (79). Note: Note the orientation of thrust disc (78) for assembly purposes. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  20. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEB... 18/45 Illustration 40 g01387228 43. Remove thrust disc (80), washer (81), half rings (82), and lock rings (83). Note: Note the orientation of thrust disc (80) for assembly purposes. Illustration 41 g01387232 44. Remove hub assembly (84). Remove friction discs (85) and clutch plates (86). Note: Note the orientation of friction discs (85) and clutch plates (86) for assembly purposes. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  21. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEB... 19/45 Illustration 42 g01387235 45. Use Tooling (N) to remove retaining ring (87). 46. Remove balance piston (88). Remove seal ring (89) from balance piston (88). 47. Remove springs (90). 48. Remove piston (91). Remove seal rings (92) and (93) from piston (91). Illustration 43 g01387511 49. Use Tooling (K) to remove inner bearing (94) from clutch assembly (60). Remove thrust disc (95) and gear (96). Note: Note the orientation of thrust disc (95) for assembly purposes. Illustration 44 g01387520 50. Remove thrust disc (97) and gear assembly (98) from clutch assembly (60). Note: Note the orientation of thrust disc (97) for assembly purposes. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  22. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEB... 20/45 Illustration 45 g01387526 51. Remove sleeve bearing (99) from gear assembly (98). Illustration 46 g01387528 52. Remove thrust disc (100) and washer (101) from clutch assembly (60). Note: Note the orientation of thrust disc (100) for assembly purposes. Illustration 47 g01387541 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  23. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEB... 21/45 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. 53. Use Tooling (L) to compress hub assembly (102). Remove lock rings (103) and two half rings (104) (not shown). Note: Note the orientation of lock rings (103) and two ring halves (104) for assembly purposes. Illustration 48 g01387556 54. Remove hub assembly (102), friction discs (105), and clutch plates (106) from clutch assembly (60). Note: Note the orientation of friction discs (105) and clutch plates (106) for assembly purposes. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  24. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEB... 22/45 Illustration 49 g01387573 55. Remove wave spring (107) and piston (108) from clutch assembly (60). Illustration 50 g01387580 56. Remove seal rings (109) and (110) from piston (108). Illustration 51 g01387592 57. Use a suitable lifting device to turn over clutch assembly (60) onto Tooling (H). The weight of clutch assembly (60) is approximately 54 kg (120 lb). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  25. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEB... 23/45 Illustration 52 g01387595 58. Use Tooling (P) to remove inner bearing (111), thrust disc (112), and gear (113) from clutch assembly (60). Note: Note the orientation of thrust disc (112) for assembly purposes. Illustration 53 g01387755 59. Remove thrust disc (114) and gear assembly (115). Note: Note the orientation of thrust disc (114) for assembly purposes. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  26. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEB... 24/45 Illustration 54 g01387765 60. Remove bearing (116) from gear assembly (115). Illustration 55 g01387820 61. Remove thrust disc (117) and washer (118). Note: Note the orientation of thrust disc (117) for assembly purposes. Illustration 56 g01387824 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. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  27. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEB... 25/45 62. Use Tooling (L) to compress hub assembly (119). Remove lock rings (120) and two half rings (121) (not shown). Note: Note the orientation of lock rings (120) and two ring halves (121) for assembly purposes. Illustration 57 g01387846 63. Remove hub assembly (119), friction discs (122), and clutch plates (123). Note: Note the orientation of friction discs (122) and clutch plates (123) for assembly purposes. Illustration 58 g01387852 64. Remove wave spring (124) and piston (125). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  28. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEB... 26/45 Illustration 59 g01387858 65. Remove seal rings (126) and (127) from piston (125). Illustration 60 g01387876 66. Use Tooling (P) to remove inner bearing (128) and gear (129) from input shaft assembly (130). This is necessary at this time so that you can remove the remaining two clutch assemblies. Illustration 61 g01387884 67. Remove bolts (131) to remove seal carrier (132). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  29. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEB... 27/45 Illustration 62 g01387892 68. Remove seal rings (133). Remove O-ring seals (134). Illustration 63 g01387895 69. Attach Tooling (R) and a suitable lifting device to clutch assembly (135). The weight of clutch assembly (135) is approximately 61 kg (135 lb). Use Tooling (R) and the suitable lifting device to remove clutch assembly (135). Position clutch assembly (135) onto Tooling (H). Illustration 64 g01387898 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  30. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEB... 28/45 70. Use Tooling (P) to remove inner bearing (136), spacer (137), and gear (138) from clutch assembly (135). Illustration 65 g01388168 71. Remove spacer (139) and thrust disc (140) from clutch assembly (135). Note: Note the orientation of thrust disc (140) for assembly purposes. 72. Remove gear assembly (141), thrust disc (142), and washer (143). Note: Note the orientation of thrust disc (142) for assembly purposes. Illustration 66 g01388185 73. Remove bearing (144) from gear assembly (141). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

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  32. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEB... 29/45 Illustration 67 g01388208 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. 74. Use Tooling (L) to compress hub assembly (145). Remove lock rings (146) and two half rings (147) (not shown). Note: Note the orientation of lock rings (146) and two ring halves (147) for assembly purposes. Illustration 68 g01388240 75. Remove hub assembly (145), friction discs (148), and clutch plates (149). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  33. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEB... 30/45 Note: Note the orientation of friction discs (148) and clutch plates (149) for assembly purposes. Illustration 69 g01388243 76. Remove wave spring (150) and piston (151). Illustration 70 g01388246 77. Remove seal rings (152) and (153) from piston (151). Illustration 71 g01388263 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

  34. 12M Motor Grader R9B00001-UP (MACHINE) POWERED BY C6.6 Engine(SEB... 31/45 Illustration 72 g01388277 78. Use a suitable lifting device to turn over clutch assembly (135) onto Tooling (H). The weight of clutch assembly (135) is approximately 41 kg (90 lb). 79. Attach Tooling (S) to clutch assembly (135) to remove inner bearing (154). Remove thrust race (155), thrust disc (156), thrust disc (157), and gear assembly (158). Note: Note the orientation of thrust discs (156) and (157) for assembly purposes. Illustration 73 g01388296 80. Remove roller bearing assembly (159) and thrust disc (160) from clutch assembly (135). Note: Note the orientation of thrust disc (160) for assembly purposes. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2021/1/8

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