TM 9--2350--292--20--10018 00--9AUXILIARY POWER UNIT FAILS TO CRANK -- CONTINUED0018 00UIs continuity present?CONTINUED FROM STEP TnoyesVnoyesIs continuity present?Replace PREHEATswitch (WP 0247 00).Verify fault is corrected.Replace ground wire(WP 0247 00). Verifyfault is corrected.CONTINUED ON NEXT PAGE1. Reconnect lead 4W123--4 to circuit breakerCB2 connector.2. Disconnect ground lead from PREHEATswitch S2 connector.3. Place multimeter leads across PREHEATswitch and turn switch to MOM ON.4. Check for continuity.1. Reconnect lead 4W123--4 to PREHEATswitch S2 connector.2. Disconnect ground wire from APU GENswitch S4 terminal 6.3. Place multimeter leads across ground wire.4. Check for continuity.
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
