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

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

ENGINE RUNS ROUGH OR MISFIRES AND/OR KNOCKS (cont) - TM-9-2350-292-20-1_285

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--4 ENGINE RUNS ROUGH OR MISFIRES AND/OR KNOCKS 0050 00 CONTINUED FROM STEP A, F AND G 1. Replace mechanical fuel pump (WP 0206 00). 2. Perform Step B again. no yes G Is VTM reading between 60 and 90 psi? Go to Step I. H no yes Notify Direct Support Maintenance. 1. Replace main fuel check valve (WP 0207 00). 2. Perform Step B again. Is VTM reading between 60 and 90 psi? Are there fuel spots? Inspect engine exhaust for evidence of fuel. no yes Do fuel lines and/or fittings still leak? 1. Remove front and rear cooling fans (WP 0235 00). 2. Loosen and tighten fuel lines and fittings that show evidence of leaking. 3. Inspect lines and fittings (TM 9--2350--292--10). I Go to Step K. Notify Direct Support Maintenance. no yes Fault corrected. CONTINUED ON NEXT PAGE J CONTINUED FROM STEP F FORWARD

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