(2) ENGINE DOES NOT ACCELERATE PROPERLY, DOES DEVELOP FULL POWER, or does not maintain steady RPM

TM-9-2350-287-20-1 Carrier Ammunition Tracked M992A21 (2350-01-352-3021) EIC:AE6 Manual
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TM 9-2350-287-20-1 2-19. TROUBLESHOOTING CHART (continued). b. ENGINE - FUEL SYSTEM. (2) ENGINE DOES NOT ACCELERATE PROPERLY, DOES DEVELOP FULL POWER, or does not maintain steady RPM. Initial Setup: Tools/Test Equipment l General Mechanic’s tool kit (Item 24, Appendix I) l STE/lCE test equipment (Item 64, Appendix 1) A. Perform STE/lCE troubleshooting, FUEL SUPPLY PRESSURE -TEST 24 (para 2-22. b (13)). Does test pass? Replace engine driven fuel pump (para 4-7). Verify problem is solved. B. Perform STE/lCE troubleshooting, FUEL FIL- TER PRESSURE DROP - TEST 26 (para 2- 22. b (22)). Does test pass? Problem is solved. C. Check both fuel filter elements to see if they are dirty or clogged. Are fuel fitter elements dirty or clogged? Replace fitter elements (para 4-25 and 4- 26). Verify problem is solved. If engine still idles rough or accelerates poorly, notify Direct Support Maintenance. END OF TASK 2-49

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