TM-9-2320-366-20-3 MTV Unit Maintenance Manual M1083 Series - Volume 3 Download
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TEST OPTIONS KNOWN INFO REASON FOR QUESTION NO YES Visual Inspection v1. DUMP BODY DOES NOT RAISE (CONT) WARNING Read WARNING on following page. 2. Replace hydraulic oil filter (para 19-13). 2-2240 Change 2 TM 9-2320-366-20-3 Perform Electrical System troubleshooting task e143. M1090/M1094 Dump Body Does Not Raise. Hydraulic oil level OK. PTO OK. Hydraulic hoses and fittings OK. POSSIBLE PROBLEMS Faulty hydraulic oil filter. Faulty electrical system. Faulty hydraulic rotary pump. Faulty four-way relief valve. Faulty pressure reducing valve. Faulty dump body hoist cylinder. Is hydraulic oil filter free of debris. If hydraulic oil filter is clogged or damaged, dump body may not raise.