2-260Change 4TM 9-2350-267-20C Reconnect APU control box panel plug. If HIGH AIR TEMPerature lampis lit, repair or replace cable lead 493 (p 6-113).AUXILIARY POWER UNITENGINE STARTS BUT FAILS TO KEEP RUNNINGABcCheck for dirty air cleaner falter element. Clean orreplace falter element (TM 9-2350-267-10).Check APU engine fuel supply line for restriction ordamage. Clean fuel line or replace, if necessary (p 13-25 thru 13-29).Replace fuel filter elements if dirty (p 13-16).
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