ARMY TM 9-6115-643-24
AIR FORCE TO 35C2-3-445-22
TABLE 2-6. UNIT TROUBLESHOOTING - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5 . E N G I N E M I S F I R I N G .
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 service fuel filter/ water
separator, paragraph 2.93.2. Drain generator set tank. Service generator set tank with
clean fuel of a proper grade (TABLE 2–2). Prime engine fuel system in accordance with
TM 9-2815-254-24.
Step 2.
Check for air in fuel lines.
a.
If air in lines, bleed fuel lines in accordance with TM 9-2815-254-24.
b.
If no air in fuel lines, notify next higher level of maintenance.
6 .
ENGINE DOES NOT DEVELOP FULL POWER.
Step 1.
Step 2.
Step 3.
Step 4.
Check for restricted fuel filter/water separator.
a.
If fuel filter/water separator is not restricted, do step 2.
b.
If restricted, service fuel filter/water separator, paragraph 2.93.2.
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 service fuel filter/ water
separator, paragraph 2,93.2. Drain generator set tank. Service generator set tank with
clean fuel of proper grade (TABLE 2–2). Prime engine fuel system in accordance with TM
9-2815-254-24.
Check for blocked air intake system.
a.
If air intake system is not blocked, do step 4.
b.
If blocked, unblock or replace air intake system components as required.
Check blocked exhaust pipe or muffler.
a.
If blocked, unblock or replace muffler, paragraph 2.70.
b.
If exhaust pipe and muffler are not blocked, notify next higher level of maintenance.
7. ABNORMAL ENGINE NOISE.
Step 1.
Check for contaminated or incorrect grade of fuel.
a.
If contaminated or incorrect grade, drain engine fuel system and service fuel filter/ water
separator, paragraph 2.93.2. Drain generator set tank. Service generator set fuel tank
with clean fuel of a proper grade (TABLE 2–2). Prime engine fuel system in accordance
with TM 9-2815-254-24.
b.
If fuel is not contaminated and is correct grade, notify next higher level of maintenance.
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