TM 9-2350-277-20-2PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDINGLUBRICATION INSTRUCTIONS — Continued0155 00ITEMNO.INTERVALMAN-HOURITEM TO BECHECKED ORSERVICEDCREWMEMBERPROCEDUREEQUIPMENTNOT READY/AVAILABLEIF:7) Fill hydraulic tank with FRH to bring levelhalfway in sight glass. Hydraulic tank takesapproximately 3 1/2 quarts. See HydraulicSystem Lubrication Table (Table 7, page0155 00-22).8) Install fill plug with new preformed packingin top of tank.h. When changing from OHA to FRH hydraulicfluid, flush tank as follows.1) Drain and fill tank. See Step 68g. .2) Raise and lower ramp several times (seeyour -10).3) Drain and fill tank again Step 68g. .HYDRAULICSYSTEM TANKFLUID LEVELCHECKHYDRAULICSYSTEM TANKSTRAINERHYDRAULICSYSTEM TANKOIL DRAINHYDRAULICSYSTEM TANKBREATHERHYDRAULICSYSTEM TANKFILL4) Test hydraulic ramp system.i. Tighten tubes and hoses that leak.j. Replace tubes or hoses that are cracked, crimpedor worn (WP 0660 00, WP 0668 00).k. Replace ramp cylinder that leaks (WP 0656 00).015500-118
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