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 26-10. M1084/M1086 BOOM TELESCOPIC CYLINDER 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, 0-175 lb-ft (Item 92, Appendix B) Hammer, Non-sparking (Item 32, Appendix B) Goggles, Industrial (Item 28, Appendix B) Gloves, Rubber (Item 26, Appendix B) Sling, Cargo (Item 56, Appendix B) Materials/Parts Rag, Wiping (Item 60, Appendix C) Lubricating Oil, Engine (Item 46, Appendix C) Solvent, Dry Cleaning (Item 83, Appendix C) Kit, Repair (Item 101, Appendix F) Kit, Repair (Item 196, Appendix F) Personnel Required (2) WARNING Boom telescopic cylinder weighs approximately 150 lbs (68 kgs). Attach a suitable lifting device prior to repair. Failure to comply may result in injury to personnel or damage to equipment. a. Disassembly. NOTE Disassemble lower cylinder first. (1) Remove cartridge holding valve (1) from rod (2). (2) Remove three preformed packings (3) and back-up rings (4) from cartridge holding valve (1). Discard preformed packings and back-up rings. (3) Remove plug (5) from rod (2). Change 1 26-61