TM5-6115-596-14
Table 5-3.
Direct and General Support Troubleshooting
Malfunctions (symptoms) Probable causes (tests)
Corrective Action
(remedies)
ENGINE
1. All engine mal-
All probable causes
Refer to TM 5-
functions
2805-203-14.
2. Generator set vi-
a. Loose or worn
a.
Tighten or re-
brates excessive-
engine drive
place sheave
ly while engine
sheave
is running.
b. Loose or worn starter- b.
Tighten or re-
generator drive sheave
place sheave
c. Broken or loose
c. Tighten or re-
engine mounting screw.
place screw
(para. 4-12 and
5-l0) .
GENERATOR
3. No generator
a. Brushes making poor
a. Replace brushes
output
contact with com-
mutator.
and recondition
commutator if
necessary (para.
5-23b) .
b. Defective generator
b. Repair regula-
regulator.
tor (the
regulators in
generator sets
with serial
numbers 923-
001 thru 923-
553 are repair-
able) or re-
place regulator
(para. 5-28 thru
5-32) .
c. Short-circuited or
c. Replace arma-
grounded armature.
ture (para. 5-
20) ,
d. Overvoltage breaker
d. Press reset
on regulator acti-
button on
regulator.
vated (generator
sets serial numbers
929-001 thru 929-
290) .
Change2 5-5
