TM 9-2350-247-10PREVENTIVE MAINTENANCE CHECKS AND SERVICES — Continued 0057 00Table 17. Preventive Maintenance Checks and Services for M548A1/M548A3, DuringITEMNO.INTERVALMAN-HOURITEM TO BECHECKED ORSERVICEDCREWMEMBERPROCEDUREEQUIPMENTNOT READY/AVAILABLEIF:14DuringInstrument PanelWarning Lightsand GaugesDRIVERCAUTIONDo not operate carrier if oilHI-TEMP-LO-PRESS (M548A1)ENGINE OIL LOW PRESS (M548A3)warning light comes on with enginerunning. Engine can be damaged. IfENGINE OIL LOW PRESS orHI-TEMP-LOW warning light does not gooff within 5-10 seconds after engine starts,stop engine (WP 0023 00 for the M548A1and WP 0024 00 for the M548A3).NOTETRANS OIL LOW PRESS warning lightmay come on when brakes are released,but light should go off when engine speedreaches about 1400 rpm on M548A3 only.a. During carrier operation, check instrument panelwarning lights and gauges periodically forpossible carrier malfunctions. Panel indicatorsshould read as follows:b. Warning lights - all OFF.Any warninglight comes on.c. Battery Generator indicator - in green zone.Gauge is notin green zone.0057 00-31
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