TM-9-2320-366-34-3 MTV Direct Maintenance Manual M1083 Series - Volume 3 Download
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TM 9-2320-366-34-3 16-538 Change 2 16-87. M1089 PAY-OUT HYDRAULIC MOTOR RELIEF VALVE REPLACEMENT This task covers: a. Removal b. Disassembly c. Assembly d. Installation e. Adjustment f. Follow-On Maintenance INITIAL SETUP Equipment Conditions Engine shut down (TM 9-2320-366-10-1). Hydraulic reservoir supply valve and return valve closed (TM 9-2320-366-10-2). Stiffleg, lowered (TM 9-2320-366-10-2). Underlift, lowered (TM 9-2320-366-10-2). Tools and Special Tools Tool Kit, Genl Mech (Item 78, Appendix B) Wrench, Torque 0-200 lb-in. (Item 93, Appendix B) Pan, Drain (Item 43, Appendix B) Tools and Special Tools (Cont) Wrench, Torque 0-175 lb-ft (Item 92, Appendix B) Wrench Set, Crowfoot, Ratchet (TM 9-2320-366-20) Materials/Parts Preformed Packings (2) (Item 237 Appendix F Cap and Plug Set (Item 17, Appendix C) Nut, Self-Locking (2) (Item 177, Appendix F) Sealant (Item 65.1 Appendix C). Personnel Required (2) a. Removal. (1) Position drain pan under relief valve (1). (2) Disconnect two hydraulic hoses (2) from fitting (3) and 45 degree fitting (4). (3) Remove two self-locking nuts (5), washers (6), and screws (7) from relief valve (1). Discard self- locking nuts. (4) Remove relief valve (1) from tool box support assembly (8). CAUTION Cap or plug hydraulic connections and fittings to prevent contamination of hydraulic system. Failure to comply may result in damage to equipment. NOTE • Tag hydraulic connections and connection points prior to disconnecting. Left and right side relief valves are removed the same way. Left side shown.