TM-9-2320-366-34-1 MTV Direct Maintenance Manual M1083 Series - Volume 1 Download
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h7. M1089 LH 30K WINCH DOES NOT OPERATE (CONT) KNOWN INFO REASON FOR QUESTION TEST OPTIONS Repair or replace LH 30K winch assembly (para 16-63). NO YES 3. Pressure Test or STE/ICE-R Test #51 Hydraulic tank oil level OK. MAIN WINCH LH FREE SPOOL switch to OFF. MAIN WINCH LH FREE SPOOL switch OK. MAIN WINCH LH FREE SPOOL solenoid valve OK. RH 30K winch operates. Hydraulic tubes and fittings OK. LH and RH stifflegs OK. Upper main control valve assembly OK. M1089 linear directional control valve OK POSSIBLE PROBLEMS Faulty LH 30K winch assembly. Faulty pressure relief valve assembly. Repair or replace pressure relief valve assembly (para 16-65). Is pressure between 2,925-2,975 PSI (20,168-20,512 kPa) at 30K winch relief valve? If pressure is not between 2,925-2,975 PSI (20,168- 20,512 kPa), 30K winch relief valve is faulty. If pressure is 2,925-2,975 PSI (20,168- 20,512 kPa), LH 30K winch assembly is faulty. TM 9-2320-366-34-1 2-1010 Change 1