TM 9-2350-247-20-1PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDINGLUBRICATION INSTRUCTIONS — Continued0128 00ITEMNO.INTERVALMAN-HOURITEM TO BECHECKED ORSERVICEDCREWMEMBERPROCEDUREEQUIPMENTNOT READY/AVAILABLEIF:73Semi-Annual(M548A1)0.5TransferGearcase Draina. Drain gearcase oil. Drain only when hot afteroperation. Remove hull bottom access cover anddrain cover (WP 0383 00). Inspect oil beingdrained for metal particles. If metal particles arefound, notify your supervisor.Any metalchips arepresent orClass III oilleaks arefound.b. Drain at least 15 minutes. Clean and installdrain cover (WP 0383 00)Fill gearcase withapproximately 2 1/2 quarts (2 liters) of OE/HDOoil. Make sure gearcase filler cap is closed andbreather hole in gauge rod is open. Start engine(see your –10) and operate for one minute. Stopengine and check gearcase oil level. It should bebetween the gauge rod’s FULL and ADDmarks. Install hull bottom access cover securely.For lubricant information, see Table 6, page0128 00-17 (WP 0383 00).0128 00-85
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