TM-9-2320-366-34-4 MTV Direct Maintenance Manual M1083 Series - Volume 4 Download
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TM 9-2320-366-34-4 26-2 Change 2 26-2. M1089 THREE STAGE HYDRAULIC PUMP REPAIR This task covers: a. Disassembly b. Cleaning/Inspection c. Assembly INITIAL SETUP Tools and Special Tools Tool Kit, Genl Mech (Item 78, Appendix B) Wrench, Torque, 0-600 lb ft (Item 97, Appendix B) Press, Arbor, Hand Operated (Item 48, Appendix B) Puller, Mechanical (Item 52, Appendix B) Goggles, Industrial (Item 28, Appendix B) Wrench Set, Socket (Item 84, Appendix B) Pliers, Retaining Ring (Item 44, Appendix B) Gloves, Rubber (Item 26, Appendix B) Wrench, Torque, 0-200 lb-in. (Item 93, Appendix B) Tools and Special Tools (Cont) Wrench Set, Socket (Item 87, Appendix B) Materials/Parts Seal (36) (Item 369, Appendix F) Seal, Plain (6) (Item 383, Appendix F) Plug, Machine Thread (Item 342, Appendix F) Rag, Wiping (Item 60, Appendix C) Lubricating Oil, Engine (Item 46, Appendix C) Solvent, Dry Cleaning (Item 83, Appendix C) Adhesive (Item 4, Appendix C) a. Disassembly. (1) Position pump in vise. (2) Match mark port end cover (1) to third stage gear housing (2). (3) Remove four nuts (3), washers (4) and port end cover (1) from third stage gear housing (2). CAUTION • When removing sections of pump, use care not to damage machined surfaces. Failure to comply may result in damage to equipment. • Gears are matched as sets. Keep sets together during disassembly. Failure to comply may result in damage to equipment. • Pump sections must be installed in the same way they are removed. Match mark all sections to insure correct assembly. Failure to comply may result in damage to equipment. NOTE Hydraulic pumps manufactured prior to February 2001 will have one washer and nut on four corners of port end cover.