ARMY TM 9-6115-643-24
AIR FORCE TO 35C2-3-445-22
TABLE 3-1. DIRECT SUPPORT TROUBLESHOOTING - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 4.
Step 5.
Step 6.
Step 7.
Check for bent push rods, refer to TM 9-2815-254-24.
a.
If push rods are not bent, do step 5.
b.
If bent, replace push rods in accordance with TM 9-2815-254-24.
Check for worn idler gears, refer to TM 9-2815-254-24.
a.
If idler gears are not worn, do step 6.
b.
If worn, replace idler gears in accordance with TM 9-2815-254-24.
Test fuel injection pump timing, refer to TM 9-2815-254-24.
a.
If fuel injection pump timing is correct, do step 7.
b.
If timing is not correct, time fuel injection pump in accordance with TM 9-2815-254-24.
Check for foreign material in combustion chambers, refertoTM9-2815-254-24.
a.
If foreign material is found, clean combustion chamber(s) in accordance with TM
9-2815-254-24.
b.
If no foreign matter is found, and problem persists, refer to TM 9-2815-254-24.
11.
GENERATOR SET FAILS TO GENERATE POWER.
Step 1.
Step 2.
Step 3.
Step 4.
Step 5.
Test for defective governor control unit, paragraph 4.2.1.
a.
If a governor control unit is not defective, do step 2.
b.
If defective, replace governor control unit, paragraph 4.2.3.
Test for defective AC voltage Regulator, paragraph 4.1.
a.
If voltage regulator is not defective, do step 3.
b.
If defective replace voltage regulator, paragraph 4.1.5.
Test for defective generator exciter stator, paragraph 4.20.1 (MEP-804A) or paragraph 4.28.2
(MEP-814A).
a.
If exciter stator is not defective, do step 4.
b.
If defective, replace exciter stator, paragraph 4.20 (MEP804A) or paragraph 4.28
(MEP-814A).
Test for defective generator stator, paragraph 4.23.1 (MEP-804A) or paragraph 4.31.2
(MEP-814A).
a.
If generator stator is not defective, do step 5.
b.
If defective, replace generator stator and housing assembly, paragraph 4,23 (MEP-804A)
or paragraph 4.31 (MEP-81 4A).
Test for defective diode(s) in generator rotating rectifier, paragraph 4.17.1 (MEP-804A) or
paragraph 4.25.2 (MEP-814A).
a.
If diodes are not defective, do step 6.
b.
If defective, replace diode(s), paragraph 4.17 (MEP-804A) or paragraph 4.25
(MEP-814A).
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