PURGE PUMP FAILS TO OPERATE (PURGE PUMP CANNOT BE HEARD OPERATING WHEN TURNED ON) (cont)

PURGE PUMP FAILS TO OPERATE (PURGE PUMP CANNOT BE HEARD OPERATING WHEN TURNED ON)

PURGE PUMP FAILS TO OPERATE (PURGE PUMP CANNOT BE HEARD OPERATING WHEN TURNED ON) (cont) - TM-9-2350-292-20-1_212

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 0039 00--2 PURGE PUMP FAILS TO OPERATE (PURGE PUMP CANNOT BE HEARD OPERATING WHEN TURNED ON) -- CONTINUED 0039 00 Does fuel flow freely from check valve? 1. Reconnect fuel line to OUT port of purge pump. 2. Disconnect fuel outlet hose from main engine fuel check valve. 3. Place container under check valve and turn MASTER switch ON and FUEL PUMP switch to PURGE (TM 9--2350--292--10). 4. Hold ENGINE PREHEAT switch in PURGE position (TM 9--2350--292--10). 5. Turn MASTER switch and FUEL PUMP switch OFF (TM 9--2350--292--10). no yes D Can purge pump be heard operating? 1. Turn MASTER switch ON and FUEL PUMP switch to PURGE (TM 9--2350--292--10). 2. Place ENGINE PREHEAT switch in ON position (TM 9--2350--292--10) and listen for purge pump to operate. 3. Turn MASTER switch and FUEL PUMP switch OFF (TM 9--2350--292--10). E no yes Go to step I. CONTINUED FROM STEP C Fault corrected. Replace main engine check valve (WP 0225 00). Verify fault is corrected. CONTINUED FROM STEP B Replace purge pump (WP 0225 00). Verify fault is corrected. no yes CONTINUED ON NEXT PAGE

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