ENGINE RUNS ROUGH OR MISFIRES AND/OR KNOCKS (cont)

ENGINE RUNS ROUGH OR MISFIRES AND/OR KNOCKS

ENGINE RUNS ROUGH OR MISFIRES AND/OR KNOCKS (cont) - TM-9-2350-292-20-1_283

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 0050 00--2 ENGINE RUNS ROUGH OR MISFIRES AND/OR KNOCKS 0050 00 CONTINUED FROM STEP B Check results recorded during 10--second crank. no yes Go to Step F. C Is VTM reading at least 6 psi? D Does VTM show PASS? no yes Notify Direct Support Maintenance. 1. Enter 26 into TEST SELECT. 2. Start engine (TM 9--2350--292--10) and set engine speed to 2600--2660 rpm. 3. Press and release TEST and record results. 4. Shut down engine (TM 9--2350--292--10). CONTINUED ON NEXT PAGE CONTINUED FROM STEP B E Does gauge read between 60 and 90 psi? no yes Replace fuel/water separator elements (WP 0220 00). Verify fault is corrected. 1. Remove bleeder valve from fuel/water separator (WP 0220 00). 2. Install 0--300 psi dial pressure gauge in bleeder valve opening. 3. Turn MASTER switch and intank fuel pump switch ON (TM 9--2350--292--10). 4. Start engine (TM 9--2350--292--10) and run at high idle (1800--2400 rpm). 5. Turn MASTER switch and intank fuel pump switch OFF and shut off engine (TM 9--2350--292--10). Replace mechanical fuel pump (WP 0206 00). Verify fault is corrected.

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