TM 9--2350--292--20--10009 00--1AUXILIARY POWER UNIT FAILS TO CRANK0009 00THIS WORK PACKAGE COVERS:Auxiliary Power Unit (ONAN) Fails To CrankINITIAL SETUP:Tools and Special ToolsGeneral mechanic’s tool kit (item 1, WP 0717 00)Multimeter (item 84, WP 0717 00)Personnel RequiredTwoEquipment ConditionsVehicle MASTER switch OFF (TM 9--2350--292--10)APU cover removed (WP 0413 00)System selector valve in MAIN (TM 9--2350--292--10)WARNINGRemove rings, bracelets, wristwatches,and neck chains before working on anyvehicle. Jewelry can catch on equip-ment and cause injury, or may shortacross an electrical circuit and causesevere burns or electrical shock.Are all connections tight?Check APU for loose electrical connections.noyesClean and tighten looseconnections (Chapter 20).Verify fault is corrected.Does preheater relay click?1. Turn MASTER switch ON(TM 9--2350--292--10).2. Turn PREHEAT switch ON and OFF and listenfor the preheater relay to click.3. Turn MASTER switch OFF(TM 9--2350--292--10).noyesGo to step E.CONTINUED ON NEXT PAGEABGo to step C.
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
