ARMY TM 9-6115-644-24
AIR FORCE TO 35C2-3-446-12
MARINE CORPS TM 09249A/09246A-24/2
TABLE 2-6. Unit Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. ENGINE RUNS ERRATICALLY OR STALLS FREQUENTLY
Step 1.
Check for obstruction in fuel line(s).
a.
If fuel lines are not obstructed, do step 2.
b. If obstructed, unblock or replace fuel line(s), paragraph 2-86.
Step 2.
Check for blocked exhaust pipe or muffler.
a.
If exhaust pipe and muffler are not blocked, do step 3.
b. If blocked, unblock or replace muffler, paragraph 2-71.
Step 3.
Check for contaminated or incorrect grade of fuel.
a.
If contaminated or incorrect grade, drain engine fuel system and replace fuel filter/water
separator in accordance with TM 9-2815-255-24. Drain generator set tank. Service
generator set fuel tank with clean fuel of a proper grade (TABLE 2-2).
b. If fuel is not contaminated or incorrect grade, notify next higher level of maintenance.
5. ENGINE MISFIRING.
Step 1.
Check for contaminated or incorrect grade of fuel.
a.
If fuel is not contaminated and is correct grade, do step 2.
b. If contaminated or incorrect grade, drain engine fuel system and replace fuel
filter/water separator in accordance with TM 9-2815-255-24. Drain generator set
tank. Service generator set tank with dean fuel of a proper grade (TABLE 2-2).
Step 2.
Check for air in fuel lines.
a.
If air in lines, bleed fuel lines in accordance with TM 9-2815-255-24.
b. If no air in fuel lines, and trouble persists, notify next higher level of maintenance.
6. ENGINE DOES NOT DEVELOP FULL POWER.
Step 1.
Check for restricted fuel filter/water separator.
a.
If fuel fitter/water separator is not restricted, do step 2.
b. If restricted, replace fuel filter/water separator in accordance with TM 9-2815-255-24.
step 2.
Check for contaminated or incorrect grade of fuel.
a.
If fuel is not contaminated and is correct grade, do step 3.
b. If contaminated or incorrect grade, drain engine fuel system and replace fuel
filter/water separator in accordance with TM 9-2815-255-24. Drain generator set
tank. Service generator set tank with dean fuel of proper grade (TABLE 2-2).
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