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) (cont) - TM-9-2350-292-20-1_212

PURGE PUMP FAILS TO OPERATE (PURGE PUMP CANNOT BE HEARD OPERATING WHEN TURNED ON) (cont) - TM-9-2350-292-20-1_214

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--4 PURGE PUMP FAILS TO OPERATE (PURGE PUMP CANNOT BE HEARD OPERATING WHEN TURNED ON) -- CONTINUED 0039 00 CONTINUED FROM STEP G Does purge pump operate? 1. Reconnect harness 3W202 P1 to engine disconnect receptacle J3. 2. Turn MASTER switch and ENGINE PREHEAT switch ON (TM 9--2350--292--10) and listen for purge pump to operate. H no yes Replace purge solenoid (WP 0225 00). Verify fault is corrected. Replace purge pump (WP 0225 00). Verify fault is corrected. Is 24 V dc present? 1. Remove switch panel from bracket (WP 0242 00) and reattach ground strap to switch panel. 2. Disconnect harness 4W101 P1 from switch panel. 3. Turn MASTER switch ON and FUEL PUMP switch to PURGE (TM 9--2350--292--10). 4. Place multimeter red lead on pin C of switch panel receptacle and black lead to ground. Check for voltage. 5. Turn MASTER switch and FUEL PUMP switch OFF (TM 9--2350--292--10). no yes I Is 24 V dc present? 1. Disconnect harness 4W105 P1 from switch panel. 2. Turn MASTER switch ON (TM 9--2350--292--10). 3. Place multimeter red lead on harness 4W105 P1 pin E and black lead to ground. Check for voltage. 4. Turn MASTER switch OFF (TM 9--2350--292--10). J Go to step P. no yes Repair (WP 0290 00) or replace (WP 0317 00) harness 4W105. Verify fault is corrected CONTINUED ON NEXT PAGE CONTINUED FROM STEP E

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