SECTION V: TROUBLESHOOTlNGTM 9-2350-256-20transmission clutch operating pressure should be140-225 psi (965-1551 kPa). If clutch pressure is140-225 psi (965-1551 kPa), go to step F. If clutchpressure is not 140-325 psi (965-1551 kPa), notifyDirect Support Maintenance.F Inspect hydraulic lines and connections for damageand leaks. Replace hydraulic lines and connectionsthat show signs of damage. Tighten connectionsthat leak. If leaks persist, notify Direct SupportMaintenance.G Inspect hydraulic components (valves, pumps,cylinders, etc.) for leaks at gaskets and/or seals.Tighten loose covers, plates, and housings. If leakspersist, notify Direct Support Maintenance.AUXILIARY HYDRAULIC SYSTEMSYMPTOMSMain and hoist winches fail tooperate.Do step A.Insufficient or no auxiliaryLoss of auxiliary hydraulicsystem oil pressure.Do step A.pressure during operation.Do steps B and C.A Check auxiliary power unit emergency winchcontrol valve to see if it is in AUXILIARY POWERUNIT OPERATION (open) position. If valve is notin correct position, place in open position.Do not attempt to loosen or tightenhydraulic fittings or lines when system ispressurized. Severe injury or death topersonnel may result.B Inspect hydraulic lines and connections for damageand leaks. Tighten connections that leak. If leakspersist, notify Direct Support Maintenance.C Inspect hydraulic components valves, pumps,cylinders, etc.) for leaks at gaskets and/or seals.Tighten loose covers, plates, or housings. Ii leakspersist, notify Direct Support Maintenance.2-51
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