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Caterpillar Cat 938G SERIES II WHEEL LOADER (Prefix B9Y) Service Repair Manual (B9Y00001 and up)

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Caterpillar Cat 938G SERIES II WHEEL LOADER (Prefix B9Y) Service Repair Manual (B9Y00001 and up)

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  1. Service Repair Manual Models 938G II WheelLoader

  2. 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 31... 1/7 Shutdown SIS Previous Screen Product: WHEEL LOADER Model: 938G II WHEEL LOADER B9Y Configuration: 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 3126B ENGINE Disassembly and Assembly 938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Power Train Media Number -RENR6068-03 Publication Date -01/12/2008 Date Updated -19/12/2008 i01886319 Torque Converter - Disassemble - Fixed SMCS - 3101-015 Disassembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 138-7575 Link Bracket 2 B 154-6181 Forcing Screw 2 C 2P-8312 Retaining Ring Pliers 1 D 1P-0520 Driver Gp 1 Start By: A. Separate the torque converter from the transmission. Refer to Disassembly and Assembly, "Torque Converter - Separate". https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/5/1

  3. 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 31... 2/7 Illustration 1 g00978219 1. Install Tooling (A) and a suitable lifting device onto cover (2). The weight of cover (2) is approximately 159 kg (350 lb). Remove bolts (1) and remove cover (2) . Illustration 2 g00978237 2. Attach Tooling (A) and a suitable lifting device onto the torque converter assembly. The weight of the torque converter assembly is approximately 75 kg (165 lb). Place torque converter assembly on a bench and remove bolts (3) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/5/1

  4. 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 31... 3/7 Illustration 3 g00978253 3. Install Tooling (B) and remove the impeller and carrier assembly (4). The weight of impeller and carrier assembly (4) is approximately 36 kg (80 lb). Illustration 4 g00978993 4. Use Tooling (C) and remove retaining ring (6). Remove retaining ring (5) and stator (7) . Illustration 5 g00978994 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/5/1

  5. 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 31... 4/7 5. If necessary, use a suitable press and Tooling (D) in order to remove adapter (8) from stator (7) . Illustration 6 g00978996 6. Use Tooling (C) in order to remove retaining ring (11) from carrier assembly (12). Remove spacer (10) . Illustration 7 g00978998 7. Use a soft faced hammer in order to remove carrier assembly (12) from impeller (9) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/5/1

  6. 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 31... 5/7 Illustration 8 g00979011 8. Remove retaining ring (13) from carrier assembly (12) . Illustration 9 g00979012 9. Remove bolts (14) and remove gear (15) from impeller (16) . Illustration 10 g00979015 10. Use a suitable press and Tooling (D) in order to remove bearing (17) from impeller (16) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/5/1

  7. 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 31... 6/7 Illustration 11 g00979023 11. Remove retaining ring (18) and cover (19) . Illustration 12 g00979026 12. Remove O-ring seal (20). Use Tooling (C) and remove retaining ring (21) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/5/1

  8. 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 31... 7/7 Illustration 13 g00979029 13. Remove spacer (22) . Illustration 14 g00979030 14. Use a suitable press and Tooling (D) in order to remove bearing (24) from housing (23) . Illustration 15 g00979033 15. Remove bolts (25) and hub assembly (26) from turbine (27) . Copyright 1993 - 2020 Caterpillar Inc. Fri May 1 18:20:55 UTC+0800 2020 All Rights Reserved. Private Network For SIS Licensees. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/5/1

  9. 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 31... 1/10 Shutdown SIS Previous Screen Product: WHEEL LOADER Model: 938G II WHEEL LOADER B9Y Configuration: 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 3126B ENGINE Disassembly and Assembly 938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Power Train Media Number -RENR6068-03 Publication Date -01/12/2008 Date Updated -19/12/2008 i01885710 Torque Converter - Disassemble - Free Wheel SMCS - 3101-015 Disassembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 138-7575 Link Bracket 2 B 154-6181 Forcing Screw 2 C 2P-8312 Retaining Ring Pliers 1 D 1P-0520 Driver Gp 1 Start By: A. Separate the torque converter from the transmission. Refer to Disassembly and Assembly, "Torque Converter - Separate". https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/5/1

  10. 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 31... 2/10 Illustration 1 g00978219 1. Install Tooling (A) and a suitable lifting device onto cover (2). The weight of cover (2) is approximately 159 kg (350 lb). Remove bolts (1) and remove cover (2) . Illustration 2 g00978237 2. Attach Tooling (A) and a suitable lifting device onto the torque converter assembly. The weight of the torque converter assembly is approximately 75 kg (165 lb). Place torque converter assembly on a bench and remove bolts (3) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/5/1

  11. 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 31... 3/10 Illustration 3 g00978253 3. Install Tooling (B) and remove the impeller and carrier assembly (4). The weight of impeller and carrier assembly (4) is approximately 36 kg (80 lb). Illustration 4 g00978315 4. Use Tooling (C) in order to remove retaining ring (5). Remove stator (14) . Illustration 5 g00978321 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/5/1

  12. 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 31... 4/10 5. Remove retaining ring (6) and plate (7) . Illustration 6 g00978328 6. Remove washer (8) . Illustration 7 g00978338 7. Remove race (9) . 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... 2020/5/1

  13. 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 31... 5/10 Illustration 8 g00978386 8. Remove springs (10) and rollers (11) . Illustration 9 g00978401 9. Remove retaining ring (12) and washer (13) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/5/1

  14. 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 31... 6/10 Illustration 10 g00978407 Illustration 11 g00978755 10. If necessary, raise the temperature of stator (14) and cam (15). Use a suitable press and Tooling (D) in order to remove cam (15) . Illustration 12 g00978759 11. Remove spacer (16) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/5/1

  15. 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 31... 7/10 Illustration 13 g00978760 12. Use a soft faced hammer in order to remove carrier assembly (17) from impeller (18) . Illustration 14 g00978763 13. Remove retaining ring (19) from carrier assembly (17) . Illustration 15 g00978766 14. Remove bolts (20). Remove gear (21) from impeller (18) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/5/1

  16. 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 31... 8/10 Illustration 16 g00978776 15. Use a suitable press and Tooling (D) in order to remove bearing (22) . Illustration 17 g00978779 16. Remove retaining ring (23) and cover (24) . Illustration 18 g00978780 17. Use Tooling (C) and remove retaining ring (25). Remove O-ring seal (26) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/5/1

  17. 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 31... 9/10 Illustration 19 g00978792 18. Remove spacer (27) . Illustration 20 g00978794 19. Use a suitable press and Tooling (D) in order to remove bearing (28) from housing (29) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/5/1

  18. 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY ... 10/10 Illustration 21 g00978797 20. Remove bolts (30). Remove hub (31) from turbine (32) . Copyright 1993 - 2020 Caterpillar Inc. Fri May 1 18:21:52 UTC+0800 2020 All Rights Reserved. Private Network For SIS Licensees. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/5/1

  19. 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 31... 1/8 Shutdown SIS Previous Screen Product: WHEEL LOADER Model: 938G II WHEEL LOADER B9Y Configuration: 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 3126B ENGINE Disassembly and Assembly 938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Power Train Media Number -RENR6068-03 Publication Date -01/12/2008 Date Updated -19/12/2008 i01885788 Torque Converter - Assemble - Free Wheel SMCS - 3101-016 Assembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 138-7575 Link Bracket 2 C 2P-8312 Retaining Ring Pliers 1 Illustration 1 g00978839 1. Lower the temperature of bearing (28) and install bearing (28) into housing (29) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/5/1

  20. 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 31... 2/8 Illustration 2 g00978842 2. Install bolts (30). Tighten bolts (30) to a torque of 60 ± 7 N·m (44 ± 5 lb ft). Illustration 3 g00978837 3. Lower the temperature of hub assembly (31) and install hub (31) into housing (29) . Illustration 4 g00983541 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/5/1

  21. 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 31... 3/8 Note: Check the O-ring seal for wear or for damage. If necessary, replace the O-ring seal. 4. Install a new O-ring seal (26). Install spacer (27). Use Tooling (C) and install retaining ring (25) . Illustration 5 g00978779 5. Position cover (24) and install retaining ring (23) . Illustration 6 g00978885 6. Lower the temperature of bearing (22) and install bearing (22) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/5/1

  22. 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 31... 4/8 Illustration 7 g00978766 7. Install gear (21) onto impeller (18). Install bolts (20). Tighten bolts (20) to a torque of 105 ± 15 N·m (77 ± 11 lb ft). Illustration 8 g00978763 8. Install retaining ring (19) onto carrier assembly (17) . Illustration 9 g00978886 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/5/1

  23. Thank you very much for your reading. Please Click Here. Then Get COMPLETE MANUAL. NO WAITING NOTE: If there is no response to click on the link above, please download the PDF document first and then click on it.

  24. 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 31... 5/8 9. Use a soft faced hammer and install carrier assembly (17) . Illustration 10 g00978759 10. Install spacer (16) . Illustration 11 g00978905 11. Install race (9) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/5/1

  25. 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 31... 6/8 Illustration 12 g00978906 Improper assembly of parts that are spring loaded can cause bodily injury. To prevent possible injury, follow the established assembly procedure and wear protective equipment. 12. Install rollers (11) and springs (10). Install springs (10) with the maximum number of loops toward the outside diameter of the cam. Illustration 13 g00978908 13. Install washer (13) and retaining ring (12) . Illustration 14 g00978328 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/5/1

  26. 938G SERIES II WHEEL LOADER B9Y00001-UP (MACHINE) POWERED BY 31... 7/8 14. Install washer (8) . Illustration 15 g00978321 15. Install plate (7) and install retaining ring (6) . Illustration 16 g00983544 16. Install stator (14) onto carrier assembly (17). Use Tooling (C) and install retaining ring (5) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/5/1

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