APU CONTROL BOX HIGH AIR TEMP INDICATOR DOES NOT LIGHT (cont)

APU CONTROL BOX HIGH AIR TEMP INDICATOR DOES NOT LIGHT - TM-9-2350-292-20-1_108

APU CONTROL BOX HIGH AIR TEMP INDICATOR DOES NOT LIGHT (cont) - TM-9-2350-292-20-1_110

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 0014 00--2 APU CONTROL BOX HIGH AIR TEMP INDICATOR DOES NOT LIGHT -- CONTINUED 0014 00 CONTINUED FROM STEP A no yes CONTINUED ON NEXT PAGE Notify Direct Support Maintenance. Is continuity present? no yes 1. Disconnect the temporary jumper wire. 2. Disconnect harness 3W704 from lead 3W705. 3. Place one multimeter lead on each end of lead 3W705. Check for continuity. Replace lead 3W705 (WP 0644 00). Verify fault is corrected. B 1. Reconnect harness 4W700 connector P1 at the control box. 2. Remove APU cover and shields (WP 0413 00/WP 0622 00) and open forward air intake grilles (TM 9--2350--292--10). 3. Disconnect lead 3W705 at high temperature air switch on APU. 4. Temporarily connect a jumper wire from lead 3W705 connector socket to vehicle ground. 5. Turn MASTER switch ON (TM 9--2350--292--10). 6. Turn FUEL SHUT OFF switch ON (TM 9--2350--292--10). 7. Observe HIGH AIR TEMP indicator light (TM 9--2350--292--10). 8. Turn MASTER AND FUEL SHUT OFF switches OFF (TM 9--2350--292--10). Did HIGH AIR TEMP indicator light? C

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