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Caterpillar Cat 627H WHEEL TRACTOR (Prefix DBW) Service Repair Manual (DBW00001 and up)

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Caterpillar Cat 627H WHEEL TRACTOR (Prefix DBW) Service Repair Manual (DBW00001 and up)

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  1. Service Repair Manual Models 627H WHEEL TRACTOR

  2. w 1/7(W) Shutdown SIS Previous Screen Product: WHEEL TRACTOR Model: 627H WHEEL TRACTOR DBW Configuration: 627H Wheel Tractor Scraper DBW00001-UP (MACHINE) Disassembly and Assembly 621H, 623H and 627H Wheel Tractor-Scrapers Power Train Media Number -KENR8883-02 Publication Date -01/06/2013 Date Updated -01/07/2013 i04496349 Torque Converter - Disassemble - Tractor SMCS - 3101-015 Disassembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 2P-8312 Retaining Ring Pliers 1 B 1P-0510 Driver Group 1 C 6L-7283 Bolts 2 Start By: a. Remove the torque converter. Illustration 1 g01052899 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  3. w 2/7(W) 1. Use Tooling (A) in order to remove retaining ring (1) from carriage support assembly (2). Remove carriage support assembly (2) from hub (3). Use Tooling (B) and a suitable press in order to remove the sleeve bearing from carriage support assembly (2). Illustration 2 g00525303 2. Remove bolts (4) and the washers from torque converter impeller (5). Remove bolts (6), the washers, and clamp plate (7) from impeller hub (8). Illustration 3 g00525304 3. Install Tooling (C) in torque converter impeller (5). Use Tooling in order to remove torque converter impeller (5) and impeller hub (8) from housing (9). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  4. w 3/7(W) Illustration 4 g00525305 4. Remove metal seal ring (10) from torque converter impeller (5). Remove impeller hub (8) from torque converter impeller (5). Illustration 5 g00525306 5. Remove thrust bearing (11) from carrier assembly (12). Illustration 6 g00525308 Illustration 7 g00525309 6. Remove carrier assembly (12) and torque converter stator (13) as a unit from housing (9). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  5. w 4/7(W) 7. Position carrier assembly (12) and torque converter stator (13), as shown. Use Tooling (A) in order to remove retaining ring (14) from torque converter stator (13). Remove thrust race (15) from torque converter stator (13). Illustration 8 g00525863 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. Remove freewheel rollers (16) and freewheel springs (17) from freewheel cam (18). Remove torque converter stator (13) from carrier assembly (12). Illustration 9 g01080684 9. Use Tooling (A) in order to remove retaining ring (19) from torque converter stator (13). Remove side plate (20) from torque converter stator (13). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  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. w 5/7(W) 10. Use Tooling (B) and a suitable press in order to remove freewheel cam (18) (not shown) from torque converter stator (13). Illustration 10 g01052916 11. Remove thrust bearing (21) from carrier assembly (12). Remove sleeve bearing (22) from carrier assembly (12). Illustration 11 g00525315 12. Remove torque converter turbine (23) and hub (3) as a unit from housing (9). Illustration 12 g01052922 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  8. w 6/7(W) 13. Remove thrust bearing (24) and thrust race (25) from hub (3). Illustration 13 g00525320 14. Position torque converter turbine (23), as shown. Remove thrust race (26) from hub (3). Put an alignment mark on torque converter turbine (23) and hub (3) for installation purposes. Remove bolts (27) from torque converter turbine (23). Illustration 14 g00525321 15. Remove clamp ring (28) and torque converter turbine (23) from hub (3). Illustration 15 g00525322 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  9. w 7/7(W) 16. Remove thrust bearing (29) and thrust race (30) from housing (9). Illustration 16 g00528612 17. Remove bolts (31) and flange (32) from housing (9). Illustration 17 g00525323 18. Remove sleeve bearing (33) from flange (32). Copyright 1993 - 2021 Caterpillar Inc. Sat May 1 21:47:10 UTC+0800 2021 All Rights Reserved. Private Network For SIS Licensees. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  10. w 1/10(W) Shutdown SIS Previous Screen Product: WHEEL TRACTOR Model: 627H WHEEL TRACTOR DBW Configuration: 627H Wheel Tractor Scraper DBW00001-UP (MACHINE) Disassembly and Assembly 621H, 623H and 627H Wheel Tractor-Scrapers Power Train Media Number -KENR8883-02 Publication Date -01/06/2013 Date Updated -01/07/2013 i04351575 Torque Converter - Disassemble - Scraper SMCS - 3101-015 S/N - DBW1-UP Disassembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 138-7575 Link Brackets 3 B 1P-2420 Transmission Repair Stand 1 C 1P-0520 Driver Gp 1 D 8H-0663 Bearing Puller Gp 1 1P-2322 Combination Puller 1 E 1P-0546 Puller Jaw 1 1P-0510 Driver Gp 1 F 1P-0074 Slide Hammer Puller Gp 1 Start By: a. Separate Torque Converter, Transmission, and Transfer Gear. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  11. w 2/10(W) Illustration 1 g02477139 Illustration 2 g02477145 1. Attach Tooling (A) and a suitable lifting device to housing assembly (2) . Reposition housing assembly (2) onto Tooling (B). The weight of housing assembly (2) is approximately 73 kg (160 lb). 2. Remove bolts (1) and lift housing assembly (2) from torque converter assembly (3). Illustration 3 g02477249 3. Reposition torque converter assembly (3) on Tooling (B) as shown. The weight of torque converter assembly (3) is approximately 34 kg (76 lb). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  12. w 3/10(W) 4. Remove bolts (4). Illustration 4 g02477847 5. Attach Tooling (A) and a suitable lifting device to cover assembly (5). Remove cover assembly (5) from torque converter assembly (3). Illustration 5 g02494878 6. Remove clutch piston (6). Illustration 6 g02495236 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  13. w 4/10(W) 7. Remove friction disk (7). Remove bolts (10) and shaft retainer (8). Remove hub (9) and seal rings. Illustration 7 g02487237 Illustration 8 g02491136 8. Remove bolts (12). Remove bearing retainer (11). Remove retaining ring (13). Remove upper bearing race (16). Remove retaining ring (14). Remove bearing (15). Illustration 9 g02487278 9. Reposition torque converter assembly (3) on Tooling (B) as shown. The weight of torque converter assembly (3) is approximately 34 kg (76 lb). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  14. w 5/10(W) 10. Remove bolts (17). Illustration 10 g02494482 11. Attach Tooling (A) to impeller wheel assembly (18). Remove impeller wheel assembly (18). The weight of impeller wheel assembly (18) is approximately 34 kg (76 lb). Illustration 11 g02484296 12. Remove retaining ring (19) from bearing (20). Illustration 12 g02488758 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  15. w 6/10(W) 13. Use Tooling (E) to separate shaft assembly (21) from bearing assembly (20) and carrier assembly (22). Illustration 13 g02492076 Illustration 14 g02488997 14. Remove bolts (23). Use Tooling (F) to remove stator assembly (24) from carrier assembly (22) and impeller wheel assembly (18). Illustration 15 g02489038 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  16. w 7/10(W) Illustration 16 g02489042 15. Remove bolts (25). Use Tooling (C) to remove carrier assembly (22) from impeller wheel assembly (18). Illustration 17 g02489047 16. Using Tooling (C) and a suitable press to remove bearing (26) and gear (27) from carrier assembly (22). Illustration 18 g02489056 17. Remove seal ring (28). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  17. w 8/10(W) Illustration 19 g02492176 18. Remove seal rings (29). Remove retaining ring (30) from shaft assembly (21). Illustration 20 g02489277 Illustration 21 g02489280 19. Install Tooling (D). Note: Tooling (D) must be seated on the shoulder of turbine (31) in order to support turbine and prevent damage. Tooling (D) must not contact the splines on shaft (21). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  18. w 9/10(W) 20. Use a suitable press to remove shaft assembly (21) from turbine (31). Remove bearing race (32) and the spacer from turbine (31). Illustration 22 g02492441 21. Position housing assembly (2) as shown. 22. Remove bolts (33) and gear (34). Illustration 23 g02492458 23. Remove retaining rings (35) from gear (34). Illustration 24 g02492476 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  19. w 10/10(W) 24. Use a suitable press and Tooling (C) in order to remove bearing (36) and shaft from gear (34). Copyright 1993 - 2021 Caterpillar Inc. Sat May 1 21:48:07 UTC+0800 2021 All Rights Reserved. Private Network For SIS Licensees. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  20. w 1/8(W) Shutdown SIS Previous Screen Product: WHEEL TRACTOR Model: 627H WHEEL TRACTOR DBW Configuration: 627H Wheel Tractor Scraper DBW00001-UP (MACHINE) Disassembly and Assembly 621H, 623H and 627H Wheel Tractor-Scrapers Power Train Media Number -KENR8883-02 Publication Date -01/06/2013 Date Updated -01/07/2013 i07459845 Torque Converter - Assemble - Tractor SMCS - 3101-016 Assembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 2P-8312 Retaining Ring Pliers 1 B 1P-0510 Driver Group 1 D 8T-5096 Dial Indicator Group 1 Illustration 1 g00528674 1. Use Tooling (B) and a suitable press to install sleeve bearing (33). Install sleeve bearing (33) to flange (32). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  21. w 2/8(W) Illustration 2 g00528612 2. Install bolts (31) and flange (32) to housing (9). Tighten bolts (31) to a torque of 120 ± 15 N.m (89 ± 11 lb ft). Illustration 3 g00525322 3. Install thrust race (30) and thrust bearing (29) to housing (9). Illustration 4 g00525321 4. Install torque converter turbine (23) and clamp ring (28) to hub (3). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  22. w 3/8(W) Illustration 5 g06329533 5. Install bolts (27) to torque converter turbine (23). Tighten bolts (27) to a torque of 50 ± 7 N.m (37 ± 5 lb ft). Illustration 6 g01052922 6. Install thrust race (25) and thrust bearing (24) to hub (3). Illustration 7 g06329534 7. Install thrust race (26) to hub (3). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  23. w 4/8(W) Illustration 8 g00525315 8. Install torque converter turbine (23) and hub (3) as a unit to housing (9). Illustration 9 g00528953 9. Use Tooling (B) and a suitable press to install sleeve bearing (22). Install sleeve bearing (22) to carrier assembly (12). 10. Install thrust bearing (21) to carrier assembly (12). Illustration 10 g01052912 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  24. w 5/8(W) 11. Install side plate (20) to torque converter stator (13). Use Tooling (A) to install retaining ring (19). Install retaining ring (19) to torque converter stator (13). Illustration 11 g00525863 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. 12. Use Tooling (B) and a suitable press to install freewheel cam (18). Install freewheel cam (18) to torque converter stator (13). 13. Install torque converter stator (13) to carrier assembly (12). Install freewheel springs (17) and freewheel rollers (16) to freewheel cam (18). Always install new freewheel springs (17) and freewheel rollers (16). Install freewheel springs (17) with the maximum number of loops in freewheel springs (17) to the outside of freewheel cam (18). Torque converter stator (13) should turn freely in the counterclockwise direction. Torque converter stator (13) should not turn freely in the clockwise direction. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  25. w 6/8(W) Illustration 12 g00525309 14. Install thrust race (15) to torque converter stator (13). Use Tooling (A) to install retaining ring (14). Install retaining ring (14) to torque converter stator (13). Illustration 13 g00525308 15. Install carrier assembly (12) and torque converter stator (13) as a unit to housing (9). Illustration 14 g00525306 16. Install thrust bearing (11) to carrier assembly (12). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  26. w 7/8(W) Illustration 15 g00525305 17. Install impeller hub (8) to torque converter impeller (5). Install metal seal ring (10) to torque converter impeller (5). Illustration 16 g00525303 18. Install clamp plate (7), the washers, and bolts (6) to impeller hub (8). Tighten bolts (6) to a torque of 50 ± 7 N.m (37 ± 5 lb ft). 19. Install bolts (4) and the washers to torque converter impeller (5). Tighten bolts (4) to a torque of 50 ± 7 N.m (37 ± 5 lb ft). Illustration 17 g00525299 20. Use Tooling (B) and a suitable press to install the sleeve bearing in carriage support assembly (2). Install the sleeve bearing until the sleeve bearing is flush with the outside machined surface of carriage support assembly (2). 21. Install carriage support assembly (2) to hub (3). Use Tooling (A) to install retaining ring (1). Install retaining ring (1) to carriage support assembly (2). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  27. w 8/8(W) Illustration 18 g01053220 22. Install Tooling (D) to the torque converter, as shown. The edge of Tooling (D) must be in contact with the edge of carrier assembly (12), as shown. Move hub (3) up and down with a screwdriver. The end play of hub (3) must be 0.13 to 1.96 mm (0.005 to 0.077 inch). End By: a. Install the torque converter. Copyright 1993 - 2021 Caterpillar Inc. Sat May 1 21:49:04 UTC+0800 2021 All Rights Reserved. Private Network For SIS Licensees. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  28. w 1/12(W) Shutdown SIS Previous Screen Product: WHEEL TRACTOR Model: 627H WHEEL TRACTOR DBW Configuration: 627H Wheel Tractor Scraper DBW00001-UP (MACHINE) Disassembly and Assembly 621H, 623H and 627H Wheel Tractor-Scrapers Power Train Media Number -KENR8883-02 Publication Date -01/06/2013 Date Updated -01/07/2013 i04578058 Torque Converter - Assemble - Scraper SMCS - 3101-016 S/N - DBW1-UP Assembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 138-7575 Link Brackets 3 B 1P-2420 Transmission Repair Stand 1 C 1P-0520 Driver Gp 1 Threaded Rod 3/8-16 by 4.00 G - 1 H - Locktite 242 1 NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  29. w 2/12(W) Illustration 1 g02492476 1. Use a suitable press and Tooling (C) to install bearing (36) and shaft into gear (34). Illustration 2 g02492458 2. Install retaining ring (35) on each side of gear (34) . Illustration 3 g02492441 3. Position housing assembly (2) as shown. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  30. w 3/12(W) 4. Install gear (34). Install bolts (33) . Illustration 4 g02492617 5. Lower the temperature of shaft assembly (21). Install retaining ring (30). Install shaft assembly (21) in the turbine (31) until ring (30) rests on the turbine (31). Install seal rings (29) . Illustration 5 g02492679 6. Install the spacer. Raise the temperature of bearing race (32). Install bearing race (32) on shaft assembly (21) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  31. w 4/12(W) Illustration 6 g02489056 7. Install seal ring (28) . Illustration 7 g02482957 8. Install gear (27) to carrier assembly (22) . Illustration 8 g02482978 9. Raise the temperature of bearing (26). Install bearing (26) on carrier assembly (22) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  32. w 5/12(W) Illustration 9 g02483898 Illustration 10 g02483903 10. Position lower part of carrier assembly (22) under impeller wheel assembly (18) . 11. Install Tooling (G) to align carrier assembly (22) with impeller wheel assembly (18) . Illustration 11 g02483983 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  33. w 6/12(W) 12. Install bolts (25). Tighten bolts (25) to a torque of 50 ± 7 N·m (37 ± 5 lb ft). Illustration 12 g02492076 13. Position stator assembly (24) on carrier assembly (22). Apply Tooling (H) to bolts (23). Install bolts (23). Tighten bolts (23) to a torque of 40 ± 5 N·m (30 ± 4 lb ft). Illustration 13 g02484278 14. Install carrier assembly (22) and impeller wheel assembly (18) on turbine (31) and shaft assembly (21) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

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  35. w 7/12(W) Illustration 14 g02484377 Note: Install bearing (20) with Radius Side (X) facing down, toward carrier assembly (22). Illustration 15 g02484296 15. Raise the temperature of bearing (20). Install bearing. Install retaining ring (19) . Illustration 16 g02487297 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  36. w 8/12(W) 16. Attach Tooling (A) and a suitable lifting device to impeller wheel assembly (18). The weight of impeller wheel assembly (18) is approximately 34 kg (76 lb). Install impeller wheel assembly (18) into torque converter assembly (3) . Illustration 17 g02487278 17. Install bolts (17). Tighten bolts (17) to a torque of 30 ± 5 N·m (22 ± 4 lb ft). 18. Reposition torque converter assembly (3) on Tooling (B). The weight of torque converter assembly (3) is approximately 64 kg (142 lb). Illustration 18 g02491136 19. Lower the temperature of bearing (15) and install bearing. Install retaining ring (14). Install upper bearing race (16) and retaining ring (13) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

  37. w 9/12(W) Illustration 19 g02487237 20. Install bearing retainer (11). Install bolts (12). Tighten bolts (12) to a torque of 50 ± 7 N·m (37 ± 5 ft). Illustration 20 g02495236 21. Install hub (9). Install shaft retainer (8) and the seal rings. Install bolts (10). Tighten bolts (10) to a torque of 50 ± 7 N·m (37 ± 5 lb ft). Install friction disk (7) . Illustration 21 g02494878 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe... 2021/5/1

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