AUXILIARY POWER UNIT FAILS TO CRANK - TM-9-2350-292-20-1

AUXILIARY POWER UNIT FAILS TO CRANK (cont) - TM-9-2350-292-20-1_136

AUXILIARY POWER UNIT FAILS TO CRANK - TM-9-2350-292-20-1_138

TM-9-2350-292-20-1 Carrier Ammunition Tracked M992A1(NSN 2360-01-362-3021) EIC:AE6 Manual
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TM 9--2350--292--20--1 0018 00--11 AUXILIARY POWER UNIT FAILS TO CRANK -- CONTINUED 0018 00 CONTINUED FROM STEP Q Is glow plug warm or hot? Z no yes CONTINUED FROM STEP Y Does relay click? no yes AA Replace glow plug (WP 0629 00). Verify fault is corrected. 1. Turn PREHEAT switch to MOM ON (TM 9--2350--292--10). 2. Place hand close to, but not directly on, glow plug. 3. Feel for glow plug heating up. 1. Reconnect harness 4W700 P1 to APU control box, if disconnected. 2. Reconnect harness 4W702 P2 to bulkhead disconnect, if disconnected. 3. Turn MASTER switch ON (TM 9--2350--292--10). 4. Turn PREHEAT switch to MOM ON (TM 9--2350--292--10). 5. Turn START switch to MOM ON (TM 9--2350--292--10), turn START switch ON and OFF several times. 6. Listen for starter relay to click. 7. Turn MASTER switch OFF. Go to Step AG. CONTINUED ON NEXT PAGE

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