TM 9-2350-247-10PREVENTIVE MAINTENANCE CHECKS AND SERVICES — Continued 0057 00ITEMNO.INTERVALMAN-HOURITEM TO BECHECKED ORSERVICEDCREWMEMBERPROCEDUREEQUIPMENTNOT READY/AVAILABLEIF:25After0.2TransmissionOil Level (HotCheck)(M548A1)DRIVER/COMMANDERWARNINGMake sure carrier is on level surface andthe brakes are set and locked.Carrier could move, causing serious injuryto personnel and damage to the carrier.a. Pull back on both steering levers and press thelock buttons down.b. Check transmission oil level while engine isrunning at a temperature of 160 to 230 degrees F(71.1 to 110 degrees C) and 1500 rpm.Any Class IIIleak.c. If engine is not up to operating temperature, puttransmission range selector in 2–3 range and runthe engine at 1000 rpm for 3–5 minutes.d. Reduce engine speed to idle (650–700 rpm) andmove the shift lever through the ranges.e. Put transmission range selector in neutral (N)and set the hand throttle to run engine at 1500rpm.0057 00-46
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