AUXILIARY POWER UNIT HIGH AIR TEMPERATURE LIGHT IS ILLUMINATED AND SUMP FAN IS NOT RUNNING

AUXILIARY POWER UNIT HIGH AIR TEMPERATURE LIGHT IS ILLUMINATED AND SUMP FAN IS NOT RUNNING (cont) - TM-9-2350-292-20-1_185

AUXILIARY POWER UNIT HIGH AIR TEMPERATURE LIGHT IS ILLUMINATED AND SUMP FAN IS NOT RUNNING (cont) - TM-9-2350-292-20-1_187

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 0028 00--2 AUXILIARY POWER UNIT HIGH AIR TEMPERATURE LIGHT IS ILLUMINATED AND SUMP FAN IS NOT RUNNING -- CONTINUED 0028 00 CONTINUED FROM STEP A CONTINUED ON NEXT PAGE B Is 24 V dc present? no yes Go to Step D. 1. Place multimeter red lead to harness 3W730 J1 socket A and black lead to ground. 2. Turn MASTER switch ON (TM 9--2350--292--10). 3. Turn FUEL SHUTOFF switch ON (TM 9--2350--292--10). 4. Check for voltage. 5. Turn FUEL SHUTOFF and MASTER switches OFF. C Is continuity present? 1. Place multimeter red lead to harness 3W730 J1 socket B and black lead to common ground E3. 2. Check for continuity. Repair (WP 0290 00) or replace (WP 0654 00) harness 3W730. Verify fault is corrected. no yes Replace relay box (WP 0662 00). Verify fault is corrected.

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