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
Step 5. Check for contaminated or incorrect grade of fuel.
a.
If fuel is not contaminated and is correct grade, do step 6.
b.
If contaminated or incorrect grade, drain engine fuel system and service fuel filter/ wa-
ter separator, paragraph 2.93.2. Drain generator set tank. Service generator set fuel
tank with dean fuel of a proper grade (TABLE 2-2). Prime engine fuel system in accor-
dance With TM 9-2815-254-24.
Step 6.
Check for defective fuel feed pump, refer to TM 9-2815-254-24.
a.
If defective, replace fuel feed pump in accordance with TM 9-2815-254-24.
b.
If fuel feed pump is not defective, notify next higher level of maintenance.
3. ENGINE STOPS SUDDENLY.
Step 1.
Check for tripped protective devices.
a.
If no malfunction indicator lights are lit, do step 2.
b.
If lit, comet fault indicated.
Step 2.
Check for air lock in fuel supply line.
a.
If no air lock in fuel line, do step NO TAG.
b.
If air in line, bleed fuel lines in accordance with TM 9-2815-254-24.
Step 3.
Check for blocked fuel line(s) and/or components, starting at injection pump inlet line.
a.
If blocked, unblock or replace fuel line(s) and/or components, paragraph 2.85 and/or
paragraph 2.86.
b.
If fuel lines are not blocked, notify next higher level of maintenance.
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 2.85.
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 2.70.
Step 3.
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 2.83.2. Drain generator set tank. Service generator set fuel tank
with dean 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 or incorrect grade, notify next higher level of maintenance.
2-16 Change 1