Caterpillar_Cat_D6N_TRACK-TYPE_TRACTOR__Prefix_ALY__Service_Repair_Manual__ALY00001_and_up_.pdf

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1. Service Repair Manual Models D6N TRACK-TYPE TRACTOR
2. Shutdown SIS Previous Screen Product: TRACK-TYPE TRACTOR Model: D6N TRACK-TYPE TRACTOR ALY Configuration: D6N XL, D/S, LGP TRACK-TYPE TRACTOR ALY00001-UP (MACHINE) POWERED BY 3126B Engine Disassembly and Assembly D6N Track-Type Tractor Power Train Media Number -RENR5257-04 Publication Date -01/12/2015 Date Updated -15/12/2015 i02461619 Transmission - Disassemble SMCS - 3030-015 Disassembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1P-1864 Retaining Ring Pliers 1 B 136-1452 Retaining Ring Pliers 1 C 9U-7480 Compressing Tube 1 D 1P-1863 Retaining Ring Pliers 1 E 138-7573 Link Bracket 2 Start By: a. Separate the transmission and bevel gear. Refer to Disassembly and Assembly, "Transmission and Bevel Gear - Seperate". 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.
3. 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. Note: Cleanliness is an important factor. Before you begin the disassembly procedure, the exterior of the components should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism. Precision components can be damaged by contaminants or by dirt. Perform disassembly procedures on a clean work surface. Keep components covered and protected at all times. Illustration 1 g00970309 1. Remove four bolts (1A). 2. Remove transmission hydraulic control valve (1B). Illustration 2 g00960277 3. Loosen nuts (2). 4. Remove sensors (1).
4. Illustration 3 g00960279 5. Use Tooling (A) in order to remove retaining ring (3). Illustration 4 g00960280 6. Remove bolts (4) and housing (5). Illustration 5 g00960281 7. Remove ring (6) and bearing (7) from housing (5).
5. Illustration 6 g00960282 8. Remove springs (8), discs (9), and plates (10). Illustration 7 g00960283 9. Remove piston (11). Illustration 8 g00960286 10. Remove seals (12) from piston (11).
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7. Illustration 9 g01228398 11. Attach Tooling (E) and a suitable lifting device to housing assembly (13). 12. Apply slight lifting pressure. 13. Use Tooling (B) in order to compress retaining ring (14). Remove housing assembly (13). Illustration 10 g00960289 14. Remove retaining ring (14) and seals (15) from housing assembly (13). Illustration 11 g01228395
8. Illustration 12 g00960293 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. 15. Use a suitable press and Tooling (C) in order to remove ring (16). Illustration 13 g00960295 16. Remove plate (17) and springs (18).
9. Illustration 14 g00960298 17. Remove housing assembly (13) from coupling (19). Illustration 15 g00960300 18. Remove piston (20) from housing assembly (13). Illustration 16 g00960299 19. Remove seals (21) from piston (20).
10. Illustration 17 g00960301 20. Use Tooling (D) in order to remove retaining ring (22). 21. Remove gear (23). Illustration 18 g00960302 22. Remove discs (24) and plates (25). Illustration 19 g00960304 23. Remove gear (26).
11. Illustration 20 g00960305 24. Remove ring (27) and plate (28). Illustration 21 g00960307 25. Remove housing (29). Illustration 22 g00960308 26. Remove piston (30) from housing (29).
12. Illustration 23 g00960315 27. Remove seals (31) from piston (30). Illustration 24 g00960316 28. Remove plate (32) and discs (34). Remove springs (33). Illustration 25 g00960317 29. Remove carrier assembly (35).
13. Illustration 26 g00960320 30. Remove ring (36) from carrier assembly (35). Illustration 27 g00960322 31. Compress ring (37) in order to remove gear (38) from carrier assembly (35). Illustration 28 g00960323 32. Remove ring (37) from carrier assembly (35).
14. Illustration 29 g01229177 Illustration 30 g00960325 33. Drive pin (39A) inward in order to remove shaft (39). Note: Pin (39A) must be replaced during assembly. 34. Remove shaft (39). 35. Remove gear (40) and discs (41). Illustration 31 g00960326 36. Remove bearing (42) from gear (40).
15. 37. Repeat Step 33 through Step 36 for the remaining gears. Illustration 32 g00960327 38. Remove bolts (43) and housing (44). Illustration 33 g00960328 39. Remove piston (45) from housing (44). Illustration 34 g00960329 40. Remove seals (46) from piston (45).
16. Illustration 35 g00984150 41. Remove plates (47) and discs (49). 42. Remove springs (48). Illustration 36 g00960332 43. Remove retaining ring (50).
17. Illustration 37 g00960333 44. Remove shaft (51). Illustration 38 g00960334 45. Use Tooling (D) in order to remove retaining ring (52). 46. Remove gear (53) from shaft (51). Illustration 39 g00960335 47. Use a suitable press in order to remove bearing (54) from shaft (51).
18. Illustration 40 g01228432 48. Remove bearings (55) from shaft (51). Illustration 41 g00964653 49. Use Tooling (D) in order to remove retaining ring (56). Illustration 42 g00964663
19. 50. Remove carrier assembly (57). Illustration 43 g00964665 51. Remove gear (58) from carrier assembly (57). Illustration 44 g00964667 Illustration 45 g00964669 52. Use Tooling (D) in order to remove retaining ring (59). 53. Remove bearing (60) and gear (61) as an assembly.
20. Illustration 46 g00964670 54. Use a suitable press in order to remove gear (61) from bearing (60). Illustration 47 g00964672 55. Remove retaining ring (59). Illustration 48 g00964674 56. Compress retaining ring (62) (not shown) in order to remove carrier assembly (57) from gear (63).
21. Illustration 49 g00964675 57. Remove retaining ring (62) from carrier assembly (57). Illustration 50 g00964676 58. Drive pin (64) into shaft (65) (not shown). Note: Replace pin (64) during installation. Illustration 51 g00964677 59. Remove shaft (65), gears (66), and discs (67).
22. Illustration 52 g00964679 60. Remove bearing (68) from gears (66). 61. Repeat Step 58 through Step 60 for remaining gears. Illustration 53 g00964680 62. Remove plate (69) and rods (70). Illustration 54 g00964681 63. Remove discs (71) and plates (72).
23. Illustration 55 g00964682 64. Remove disc (73) and carrier (74). Illustration 56 g00964683 65. Remove carrier (75) from carrier (74). Illustration 57 g00964684 66. Remove ring (76) from carrier (75).
24. Illustration 58 g00964685 67. Remove rings (77) from carrier (74). Illustration 59 g00964686 68. Drive pin (78) into shaft (79) (not shown). Note: Replace pin (64) during installation. Illustration 60 g00964687 69. Remove shaft (79), gear (80), and discs (81).
25. Illustration 61 g00964688 70. Remove bearing (82) from gear (80). 71. Repeat Step 68 through Step 70 for remaining gears. Illustration 62 g01228400 72. Attach Tooling (E) and a suitable lifting device to shaft (83). 73. Remove housing assembly (84) with shaft (83). The weight of housing assembly (84) with shaft (83) is approximately 45 kg (100 lb). Illustration 63 g00970294
26. 74. Remove piston (85). Illustration 64 g00970295 75. Remove seals (86) from piston (85). Illustration 65 g00970296 76. Use Tooling (D) in order to remove retaining ring (87) and retaining ring (88) from housing (84). 77. Remove shaft (83). Illustration 66 g00970297
27. 78. Remove seals (89). Illustration 67 g00970298 79. Use a suitable press in order to remove bearing (90) from shaft (83). Illustration 68 g00970299 80. Remove O-ring seal (91) from cover (92). Copyright 1993 - 2021 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Wed Nov 17 20:30:15 UTC+0800 2021
28. Shutdown SIS Previous Screen Product: TRACK-TYPE TRACTOR Model: D6N TRACK-TYPE TRACTOR ALY Configuration: D6N XL, D/S, LGP TRACK-TYPE TRACTOR ALY00001-UP (MACHINE) POWERED BY 3126B Engine Disassembly and Assembly D6N Track-Type Tractor Power Train Media Number -RENR5257-04 Publication Date -01/12/2015 Date Updated -15/12/2015 i03643037 Transmission - Assemble SMCS - 3030-016 Assembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1P-1864 Retaining Ring Pliers 1 B 136-1452 Retaining Ring Pliers 1 C 9U-7480 Compressing Tube 1 D 1P-1863 Retaining Ring Pliers 1 E 138-7573 Link Bracket 2 Note: Cleanliness is an important factor. Before assembly, thoroughly clean all parts in cleaning fluid. Allow the parts to air dry. Do not use wiping cloths or rags to dry parts. Lint may be deposited on the parts which may cause trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement. Dirt and other contaminants can damage the precision component. Perform assembly procedures on a clean work surface. Keep components covered and protected at all times.
29. Illustration 1 g00970299 1. Install O-ring seal (91) onto cover (92) . Illustration 2 g00970300 2. Raise the temperature of bearing (90) and install bearing (90) onto shaft (83) . Illustration 3 g00970297 3. Install seals (89) . Lubricate seals (89) with the lubricant that is being sealed.
30. Illustration 4 g00970296 4. Install shaft (83) . 5. Use Tooling (D) in order to install retaining ring (87) and retaining ring (88) into housing (84) . Illustration 5 g00970295 6. Install seals (86) onto piston (85) . Lubricate seals (86) with the lubricant that is being sealed.
31. Illustration 6 g00970294 7. Install piston (85) . Illustration 7 g01355021 8. Install sun gear (83A) . Attach Tooling (E) and a suitable lifting device to shaft (83) . 9. Install housing assembly (84) with shaft (83) . The weight of housing assembly (84) with shaft (83) is approximately 45 kg (100 lb). Remove Tooling (E) .
32. Illustration 8 g00964688 10. Install bearing (82) into gear (80) . Illustration 9 g00964687 11. Position discs (81) and gear (80) . 12. Install shaft (79) . Illustration 10 g00964686 13. Drive pin (78) into shaft (79) (not shown). Note: Use a new pin (78) . 14. Repeat Step 10 through Step 13 for the remaining gears.
33. Illustration 11 g00964685 15. Install rings (77) onto carrier (74) . Illustration 12 g00964684 16. Install ring (76) onto carrier (75) . Illustration 13 g00964683 17. Install carrier (75) into carrier (74) .
34. Illustration 14 g00984206 18. Install carrier (74) . Illustration 15 g00984207 19. Lubricate discs (71) and install discs (71) and plates (72) .
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36. Illustration 16 g00984208 20. Install rods (70) and plate (69) . Illustration 17 g00964679 21. Install bearing (68) into gear (66) .
37. Illustration 18 g00964677 22. Position discs (67) and gears (66) . 23. Install shaft (65) . Illustration 19 g00964676 24. Install pin (64) into shaft (65) (not shown). Note: Use a new pin (64) . 25. Repeat Step 21 through Step 24 for the remaining gears.
38. Illustration 20 g00964675 26. Install retaining ring (62) onto carrier assembly (57) . Illustration 21 g00964674 27. Compress retaining ring (62) in order to install carrier assembly (57) into gear (63) . Illustration 22 g00964672 28. Install retaining ring (59) .
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