TM-9-2320-366-34-1 MTV Direct Maintenance Manual M1083 Series - Volume 1 Download

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k1. DUMP BODY DOES NOT RAISE TM 9-2320-366-34-1 Perform Electrical System Troubleshooting e143. Dump Body Does Not Raise (TM 9-2320-366-20-2) prior to beginning this task. NOTE TEST OPTIONS KNOWN INFO NO REASON FOR QUESTION Pressure Test or STE/ICE-R Test #51 YES Replace hydraulic rotary pump (para 16-91). 1. WARNING CAUTION Read WARNING and CAUTION on following pages. 2-1068 Change 2 Materials/Parts Rag, Wiping (Item 60, Appendix C) Tee, Tube (Item 88.3, Appendix C) Tee, Tube (Item 88.2, Appendix C) Reducer, Tube (Item 60.2, Appendix C) Reducer, Tube (Item 60.1, Appendix C) Hose Assembly, Nonmetallic (Item 40.1, Appendix C) Cap, Tube (Item 17.3, Appendix C) Plug, Tube Fitting, Threaded (Item 55.3, Appendix C) Indicator, Temperature, Label (Item 40.4, Appendix C) Personnel Required (2) References TM 9-4910-571-12&P INITIAL SETUP Equipment Conditions Engine shutdown (TM 9-2320-366-10-1) Tools and Special Tools Tool Kit, Genl Mech (Item 78, Appendix B) Pan, Drain (Item 42, Appendix B) Goggles, Industrial (item 28, Appendix B) Lifting Bracket, Dump Body (Item 8, Appendix D) Gloves, Mens (Item 34.2, Appendix C) STE/ICE-R (Item 70, Appendix B) Transmitter, Pressure (Item 1, Appendix G) Hydraulic oil level OK. PTO OK. Hydraulic hoses and fittings OK. Hydraulic oil filter OK. Dump body electrical system OK. POSSIBLE PROBLEMS Faulty hydraulic rotary pump. Faulty four-way relief valve. Faulty pressure reducing valve. Faulty dump body hoist cylinder. If hydraulic rotary pump is not supplying at least 2,850 PSI (19,650 kPa), hydraulic rotary is faulty. Is hydraulic rotary pump supplying at least 2,850 PSI (19,650 kPa)?