Caterpillar Cat D6K2 TRACK-TYPE TRACTOR (Prefix MGM) Service Repair Manual Instant Download

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 1/11 Product: TRACK-TYPE TRACTOR Model: D6K2 TRACK-TYPE TRACTOR MGM Configuration: D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERED BY C4.4 ENGINE Disassembly and Assembly D6K Track Type Tractor Power Train Media Number -M0066522-04 Publication Date -01/07/2018 Date Updated -25/07/2018 i06874371 Final Drive and Sprocket - Assemble SMCS - 4050-016; 4164-016 Assembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 439-3941 Link Brackets 3 1U-9200 Lever Puller Hoist Gp 1 B 386-6031(1) Lever Puller Hoist Gp 1 C 3E-3879 Eyebolt 1 D 160-2245 Abrasion Sleeve 1 H 439-3941 Link Brackets 2 L 1U-9895 Crossblock 1 M - Loctite High Temp Flange Sealant - (1)This part number complies with European requirements. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 2/11 Illustration 1 g03043902 1. Lower the temperature of bearing cup (42) and install bearing cup (42). Illustration 2 g03043903 2. Raise the temperature of bearing cones (41) and install bearing cones (41). Lubricate bearing cones (41) with SAE 30 oil. Positively seat the bearing cones against the locating shoulders of the gear assembly after the bearing cones have cooled. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 3/11 Illustration 3 g03043904 3. Install gear assembly (39). 4. Lower the temperature of bearing cup (40) and install bearing cup (40). 5. Install retainer (37) and bolts (38). Illustration 4 g03043896 6. Attach Tooling (A) and a suitable lifting device to final drive case (36). The weight of final drive case (36) is approximately 75 kg (165 lb). Reposition final drive case (36). Illustration 5 g03043844 7. Apply Tooling (M) to the mating surface of thrust button (35) and the final drive case. Install thrust button (35). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

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D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 4/11 Illustration 6 g03044959 8. Raise the temperature of inner bearing (34) and install inner bearing (34) onto bull gear (33). 9. Install bull gear (33). Illustration 7 g03043839 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 5/11 Illustration 8 g03044996 10. Lower the temperature of bearing outer race (31) and install bearing outer race (31) into spindle (30). 11. Attach Tooling (H) and a suitable lifting device to spindle (30). The weight of spindle (30) is approximately 127 kg (280 lb). Install O-ring seal (32), spindle (30), and bolts (29). Lubricate O-ring seal (32) with the lubricant that is being sealed. 12. Raise the temperature of bearing cone (28) and install bearing cone (28). Lubricate bearing cone (28) with SAE 30 oil. 13. Install Duo-Cone seal (27). Refer to Special Instruction, SEHS8364, "Assembly and Installation of Conventional Duo-Cone Seals" for installation instructions. Illustration 9 g03043818 14. Lower the temperature of bearing cups (26) and install bearing cups (26) into sprocket hub (24). 15. Install Duo-Cone seal (25). Refer to Special Instruction, SEHS8364, "Assembly and Installation of Conventional Duo-Cone Seals" for installation instructions. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 6/11 Illustration 10 g03043624 16. Attach Tooling (A) and a suitable lifting device to sprocket hub (24). The combined weight of sprocket hub (24) and the sprocket segments is approximately 186 kg (410 lb). Install sprocket hub (24) and the sprocket segments as a unit. 17. Raise the temperature of bearing cone (23) and install bearing cone (23). Lubricate bearing cone (23) with SAE 30 oil. Illustration 11 g03042177 18. Attach Tooling (D) and a suitable lifting device to hub (19). The weight of hub (19) is approximately 18 kg (40 lb). Install hub (19) into ring gear (18). Install retaining ring (22). Illustration 12 g03045047 19. Attach Tooling (D) and a suitable lifting device to ring gear (18) and hub (19). The combined weight of ring gear (18) and hub (19) is approximately 40 kg (88 lb). Install ring gear (18) and hub (19) as a unit. Install retainer plate (21) and three bolts (20) equally spaced. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 7/11 Illustration 13 g03045048 20. Use Tooling (L) and a suitable press to seat the bearing cones. Use the suitable press to apply an axial load of 120 10 kN (26977 2248 lb). Rotate sprocket hub (24). Tighten three bolts (20) to a torque of 95 10 N m (70 7 lb ft). 21. Remove Tooling (L) and the suitable press. Illustration 14 g03045049 22. Install the remaining bolts (20). Tighten bolts (20) to a torque of 120 20 N m (89 15 lb ft). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 8/11 Illustration 15 g03041776 Illustration 16 g03045118 23. Lower the temperature of bearing cup (14) and bearing cup (16). Install bearing cup (14) and bearing cup (16) into planetary gear (15). Lubricate bearing cone (13) and bearing cone (17) with SAE 30 oil. Install bearing cone (13), planetary gear (15), and bearing cone (17) into the planetary carrier. Use a suitable press to install shaft (12). Repeat for the remaining planetary gears. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 9/11 Illustration 17 g03041719 24. Install O-ring seal (11). Lubricate O-ring seal (11) with the lubricant that is being sealed. 25. Install O-ring seal (10), retainer (9), washer (8), and bolt (7). Repeat for the remaining planetary gears. Illustration 18 g03041498 26. Attach Tooling (D) and a suitable lifting device to planetary assembly (6). The weight of planetary assembly (6) is approximately 109 kg (240 lb). Install planetary assembly (6) and bolts (5). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWE... 10/11 Illustration 19 g03040636 27. Use Tooling (C) to install sun gear shaft assembly (4). Illustration 20 g03039916 28. Install the O-ring seal, cover (1), and bolts (2). Illustration 21 g03039906 29. Attach Tooling (A), Tooling (B), and a suitable lifting device to final drive (1). The weight of final drive (1) is approximately 590 kg (1300 lb). Position final drive (1) onto suitable cribbing. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWE... 11/11 30. Fill the final drive oil. Refer to Operation and Maintenance Manual, "Final Drive Oil - Change" for the correct filling procedure. End By: a. Install the track brake. b. Install the final drive and brake. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 1/4 Product: TRACK-TYPE TRACTOR Model: D6K2 TRACK-TYPE TRACTOR MGM Configuration: D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERED BY C4.4 ENGINE Disassembly and Assembly D6K Track Type Tractor Power Train Media Number -M0066522-04 Publication Date -01/07/2018 Date Updated -25/07/2018 i06667208 Final Drive and Brake - Remove and Install SMCS - 4050-010; 4131-010; 4251-010 Removal Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1U-7498 Support Stand As 2 B 310-3992 Guide Studs 2 C 1U-9200 Lever Puller Hoist Gp 1 Illustration 1 g03019258 1. Position the machine on suitable cribbing, as shown. Position the master link on the final drive, as shown. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 2/4 Illustration 2 g03019259 2. Position bulldozer blade (1) onto Tooling (A). 3. Separate the track. 4. Release system pressure. 5. Remove the track drive motor. Illustration 3 g03019260 6. Remove two bolts (2). Illustration 4 g03019276 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 3/4 Illustration 5 g03019278 Illustration 6 g03019277 7. Install Tooling (B). 8. Disconnect hose assembly (4). 9. Attach a suitable lifting device to final drive and parking brake (3). The weight of final drive and parking brake (3) is approximately 590 kg (1300 lb). 10. Remove bolts (5) and bolts (2). Reposition final drive and parking brake (3) on Tooling (B). Attach Tooling (C) and another suitable lifting device to final drive and parking brake (3). Remove final drive and parking brake (3). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 4/4 Illustration 7 g03039903 11. Position final drive and parking brake (3) onto suitable cribbing. Use the suitable cribbing to support final drive and parking brake (3). Installation Procedure 1. Install final drive and parking brake (3) in the reverse order of removal. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 1/6 Product: TRACK-TYPE TRACTOR Model: D6K2 TRACK-TYPE TRACTOR MGM Configuration: D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERED BY C4.4 ENGINE Disassembly and Assembly D6K Track Type Tractor Power Train Media Number -M0066522-04 Publication Date -01/07/2018 Date Updated -25/07/2018 i06567407 Piston Pump (Hydrostatic) - Remove and Install SMCS - 3203-010; 4306-010; 5070-010-H7 Removal Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1U-7505 Hydraulic Jack 1 B 439-3938 Link Bracket 2 Start By: a. Remove Piston Pump (Winch). b. Remove Piston Pump (Implement) Illustration 1 g06029295 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 2/6 1. Remove bolts (2) and cover (1). Illustration 2 g06029309 2. Remove cable straps holding hoses (3). Position hoses (3) out of the way. Remove bolts (4) and disconnect hose assemblies (6). Illustration 3 g06029340 3. Remove cable straps (10) and disconnect harness assemblies (7). Remove cable straps (9) and disconnect hose assembly (8). Illustration 4 g06029354 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 3/6 4. Disconnect hose assemblies (11). Remove cable strap (13) and disconnect harness assemblies (12). Illustration 5 g06029361 5. Disconnect harness assemblies (14) from pressure sensors (16). Disconnect hose assemblies (15). Illustration 6 g06029369 6. Remove clip (17) and cable straps (18) and disconnect harness assembly (19) Illustration 7 g06029376 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 4/6 7. Remove cable straps (21) and position harness assembly (22) out of the way. Disconnect bracket (20). Illustration 8 g06029416 8. Remove clip (23) and clip (24) from hose (25). Illustration 9 g06029429 9. Remove clamp (26) and disconnect hose (25). Illustration 10 g06029521 10. Use Tooling (A) in order to support piston pump (27). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 5/6 Illustration 11 g06029530 11. Remove bolts (28) on each side of the piston pump (27). Illustration 12 g06029539 12. Use Tooling (A) in order to raise piston pump (27). Install suitable cribbing between the frame and engine. Rest the engine on the suitable cribbing while supporting piston pump (27). 13. Remove engine supports (28) on both sides of the piston pump (27). Illustration 13 g06029546 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 6/6 14. Remove bolts (29) from piston pump (27). Illustration 14 g06029548 15. Using Tooling (A) move piston pump (27) away from the engine. Install Tooling (B) and a suitable lifting device to piston pump (27). The weight of piston pump (27) is approximately 227 kg (500 lb). Remove piston pump (27). Installation Procedure 1. Install piston pump (27) in reverse order of removal. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 1/18 Product: TRACK-TYPE TRACTOR Model: D6K2 TRACK-TYPE TRACTOR MGM Configuration: D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERED BY C4.4 ENGINE Disassembly and Assembly D6K Track Type Tractor Power Train Media Number -M0066522-04 Publication Date -01/07/2018 Date Updated -25/07/2018 i06830154 Piston Pump (Hydrostatic) - Disassemble SMCS - 3203-015; 4306-015 Disassembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty 437-3776 Fixture As. 1 A 1U-9129(1) Adapter Plate 1 1U-5750 Engine Stand 1 B FT-1409 Spacer 4 C 422-5472 Lifting Eye Assembly 2 D 1P-0510 Driver Gp 1 E 136-1452 Retaining Ring Pliers As 1 F 8H-0663 Bearing Puller Gp 1 G 1U-7600 Slide Hammer Puller Gp 1 (1)Part of the Hydraulic Test Bench Tooling. Start By: a. Remove the piston pump. Note: Cleanliness is an important factor. Before the disassembly procedure, clean the exterior of the component. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 2/18 Illustration 1 g06133100 Illustration 2 g06133092 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. 1. Use Tooling (B) to secure the piston pump to Tooling (A) or a suitable fixture. 2. Attach Tooling (C) and a suitable lifting device to pump housing (1). Remove bolts (2) and pump housing (1). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 3/18 Illustration 3 g06133924 3. Remove port plate (3) from pump housing (1). Illustration 4 g06133926 4. Remove O-ring seal (5). Use nylon string to remove rotating assembly (4). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 4/18 Illustration 5 g06133950 5. Remove piston assemblies (6) and retainer plate (7) from barrel assembly (8). Illustration 6 g06133954 6. Remove ball joint (9) from barrel assembly (8). Illustration 7 g06134090 7. Remove shim (10) and spring assembly (11) from barrel assembly (8). Illustration 8 g06134094 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 5/18 Illustration 9 g06134096 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. 8. Use Tooling (D) and a suitable press to compress spring (14). Remove retaining ring (12). 9. Remove washers (13) and spring (14) from barrel assembly (8). Illustration 10 g06134099 Note: Note the orientation of slide (16) for assembly purposes. 10. Remove swashplate assembly (15). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 6/18 Illustration 11 g06134102 11. Remove slide (16) and bearing assemblies (17) from swashplate assembly (15). Illustration 12 g06134104 12. Remove bearing liners (18). Illustration 13 g06134105 13. Use Tooling (E) to remove retaining ring (19) from front mounting flange (21). 14. Use Tooling (G) to remove lip seal (20) from front mounting flange (21). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 7/18 Illustration 14 g06134136 15. Use Tooling (E) to remove retaining ring (22) from front mounting flange (21). Illustration 15 g06134179 16. Use a suitable press to remove shaft (23) from front mounting flange (21). Illustration 16 g06134180 17. Remove retaining ring (24). Use Tooling (F) and a suitable press to remove bearing (25) from shaft (23). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

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D6K2 LGP, XL TRACK-TYPE TRACTOR MGM00001-UP (MACHINE) POWERE... 8/18 Illustration 17 g06134183 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. 18. Reattach pump housing (1) to Tooling (A) with rear mounting flange assembly (27) facing down. 19. Remove bolts (26). Use a suitable lifting device to remove pump housing (1) from rear mounting flange assembly (27). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2021/10/6

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