TM-9-2320-365-20-4 LMTV Unit Maintenance Manual M1078 Series - Volume 4 Download
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TM 9-2320-365-20-4 19-7. AIR TRANSPORTABILITY HYDRAULIC SYSTEM SERVICE This task covers: a. Purging b. Follow-On Maintenance INITIAL SETUP Equipment Conditions Engine shut down (TM 9-2320-365-10). Air tanks drained (TM 9-2320-365-10). M13 decontamination unit removed, if equipped (TM 3- 4230-214-12&P). Tools and Special Tools Tool Kit, Genl Mech (Item 44, Appendix C) Pan, Drain (Item 24, Appendix C) Wrench, Torque, 0-175 lb-ft (Item 57, Appendix C) Gloves, Rubber (Item 13, Appendix C) Goggles, Industrial (Item 15, Appendix C) Materials/Parts Dispenser, Pressure Sensitive Adhesive Tape (Item 21, Appendix D) Solvent, Dry Cleaning (Item 71, Appendix D) Washer, Spring (4) (Item 279, Appendix G) Gasket (Item 32, Appendix G) Filter Assembly (2) (Item 12, Appendix G) Packing, Preformed (Item 166, Appendix G) Hydraulic Fluid A (Item 26, Appendix D) References TM 3-4230-214-12&P WARNING Hydraulic fluid (MIL-H-5606A) is TOXIC. Wear protective goggles and gloves; use only in well ventilated area; avoid contact with skin, eyes, and clothes. Skin and clothing that come in contact with hydraulic oil should be washed immediately. Saturated clothing should be removed immediately. Failure to comply may result in injury to personnel. a. Purging. NOTE Perform the following steps to ensure all air and contaminants are removed from air transportability hydraulic system. (1) Remove two screws (1), washers (2) and cover (3) from back-up hydraulic pump (4). (2) Position drain pan under back-up hydraulic pump (4). NOTE Tag hoses and connection points prior to disconnecting. (3) Disconnect hydraulic hoses (5 and 6) from 90-degree fittings (7 and 8). (4) Operate back-up hydraulic pump (4) until hydraulic fluid stops flowing (TM 9-2320-365-10). 19-27