TM 9-2350-287-10- KEY -Expected TemperaturesLubricantsIntervalsAbove 15° F+40°Fto-10°F+40°Fto-65°F(Above -9°C)(+4°C to -260C)(+40C to -54°C)OE / HDOIntervals are as (MIL-L-2104D)follows:LUBRICATING OIL,M -MonthlyInternal CombustionS - SemiannuallyEngineIntervals are basedTactical Serviceon normal hours ofoperation and moderate operatingOEAconditions.(MIL-L-46167)LUBRICATING OIL,Internal Combus-tion Engine, ArcticOE/HDOOE/HDOFinal Drive15/W40151W40OEANOTES:15. FINAL DRIVE LEVEL CHECK. Remove level checkplug (29). Oil should be level with bottom of opening. Ifnot, add oil until it flows from the plug opening (see keyfor required oil type). Clean and install level-check plug(29).16. FINAL DRIVE DRAIN AND REFILL.After operation, remove both level-check plugs (29) andboth drain plugs (30). Clean drain plugs (30); applyteflon tape on drain plugs (30), and install drain plugs.Add oil at level-check plug opening (see key for requiredoil type). Clean, apply teflon tape, and install level-checkplugs (29).NOTENotify Unit maintenance if you find pieces of metal stuckto the magnetic drain plugs.E-19
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