M1089 MATERIAL HANDLING CRANE (MHC) OUTRIGGER EXTENSION CYLINDER DOES NOT WORK

HOLDING VALVE CHECK - TM-9-2320-366-34-1_1178

CONTROL VALVE FLOW TEST - TM-9-2320-366-34-1_1180

TM-9-2320-366-34-1 M1078 Series 2 1/2-Ton 4x4 Light Medium Tactical Vehicles (LMTV) Manual
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TM 9-2320-366-34-1 2-1044 START KNOWN INFO TEST OPTIONS REASON FOR QUESTION Faulty control valve will cause outrigger extension cylinder to not work. NO Control Valve Flow Test POSSIBLE PROBLEMS Faulty control valve. Faulty holding valve. Faulty outrigger extension cylinder. Is flow and pressure through control lockout valve OK? WARNING Read WARNING on following page. YES Repair eight bank valve assembly (para 16-59). 1. j4. M1089 MATERIAL HANDLING CRANE (MHC) OUTRIGGER EXTENSION CYLINDER DOES NOT WORK Hydraulic oil level OK. Monoblock valve OK. Hydraulic hose, tubes and fittings OK. Right and left outriggers OK. INITIAL SETUP Equipment Conditions Engine shut down (TM 9-2320-366-10-1). Personnel Required (2) Tools and Special Tools Tool Kit, Genl Mech (Item 78, Appendix B) Tester, Hydraulic (Item 73, Appendix B) Pan, Drain (Item 43, Appendix B) Goggles, Industrial (Item 28, Appendix B) Materials/Parts Rag, Wiping (Item 60, Appendix C) Hose (2) (Item 40, Appendix C) Fitting (2) (Item 31, Appendix C) Reducer, Tube (Item 61, Appendix C) Adapter, Swivel (Item 3, Appendix C) Adapter, Pipe (Item 2, Appendix C) Fitting (Item 32, Appendix C) Adapter, Pipe (Item 1, Appendix C)

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