TM 9--2350--292--20--10009 00--7AUXILIARY POWER UNIT FAILS TO CRANK -- CONTINUED0009 00PIs continuity present?CONTINUED FROM STEP KnoyesCONTINUED ON NEXT PAGEQIs continuity present?noyesPlace one multimeter lead on control box recep-tacle pin A and place other multimeter lead onlead 487 connector socket for CB2. Check forcontinuity.RIs continuity present?noyes1. Reconnect lead 487 at CB2.2. Disconnect lead 4W123--4 at switch S2.3. Place one multimeter lead on lead 4W123--4connector socket for CB2 and place the othermultimeter lead on lead 4W123--4 at connectorsocket for the switch S2. Check for continuity.Replace lead 4W123--4(WP 0247 00). Verifyfault is corrected.1. Disconnect lead 487 from CB2.2. Disconnect lead 4W123--4 from other side ofCB2.3. Place multimeter leads across CB2connector pins. Check for continuity.Replace CB2 (WP 0247 00).Verify fault is corrected.Repair (WP 0290 00) orreplace (WP 0247 00)wiring harness 4W725.Verify fault is corrected.
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
