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Page Title:
TROUBLESHOOTING GENERATOR SYSTEM |
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 50. TROUBLESHOOTING STARTING SYSTEM - Continued
Corrective action
Malfunction
Probable causes
--.
a
Replace starter (par. 60).
Defective starter.
3.
Starter operates but
a.
--
fails to crank engine
at proper cranking
speed.
--.
b
Drain crankcase and re-
Improper grade engine
--.
b
fill with proper grade
oil.
oil. Refer to lubrication
order LO 9-2320-235-10.
--.
c
Turn engine manually.
Partially seized engine
--.
c
If engine does not turn
caused by tight engine
freely disassemble engine
Clean parts (par. 152),
inspect parts (par. 153),
repair parts (par. 154),
and replace parts that
are damaged. Assemble
engine (pars. 253 through
286).
a.
Replace worn belts (par.
Loose or worn drive
1.
a.
Generator does not
operate.
belt.
tension (par. 61).
Replace generator (par.
Failed generator.
--.
b
--.
b
a.
a.
Refer to TM 9-2320-
Defective generator
2.
Generator rotates
235-20 and correct reg-
regulator or wiring.
but does not charge.
ulator adjustments. Re-
place regulator when
necessary.
--.
b
Failed generator.
Replace generator (par.
b.
--.
a
Refer to TM 9-2320-
1.
a.
Plugged air cleaner or
Restricted turbo-
235-20 and service air
collapsed hoses.
supercharger air
cleaner. Replace dete-
intake hoses or
riorated induction sys-
system.
tem hoses.
Failed turbosupercharger.
b.
Replace turbosuper-
--.
b
charger (par. 62).
49
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