P-9-TM-457-35
T.O. 35C2-3-442-2
TM-07464A-35
TM 5-6115-457-34
Table 2-3. Troubleshooting (Continued)
PROBABLE CAUSE
MALFUNCTION
CORRECTIVE ACTION
GENERATOR SET (Continued)
a. Adjust or replace rheostat
a. Defective or improper-
37. During parallel oper-
ly adjusted real load
ation, generator sets
(paragraph 6-128 and
6-193).
sharing rheostat R28.
do not share real
load (KW) equally
b. Align system
(precise generator
b. Precise governor
system not properly
sets).
aligned.
c. Defective current
c. Test and replace if defec-
transformers CT1,
tive (paragraph 6-154).
CT2, or CT3.
d, Test relay box
d. Defective tactical relay
box.
e. Defective exciter
e. Test exciter regulator
regulator.
a. Adjust or repair governor
a. Defective or improper-
38. During parallel oper-
ation, generator sets
ly adjusted utility
do not share real
governor.
load (KW) equally
(utility generator
b. Repair linkage
b. Defective governor
linkage.
sets).
39. Engine misses or
a. Incorrect fuel injection
a. Reset timing
runs erratically.
timing.
b. Sticking valves.
b. Free valves
c. Broken rocker arm
c. Replace rocker arm
assembly.
d. Cracked cylinder liner.
d. Replace liner
2-44
Change 3
