MALFUNCTION
1 1 .
12.
13.
14.
15.
(Deleted)
Low coolant tempera-
ture indicated on
coolant temperature
gage.
c .
Battery charging
ammeter shows no
charging when bat-
teries are low or
discharged.
c.
Battery charging
ammeter indicates
excessive charging
rate after prolonged
operation.
Ac voltmeter does
not indicate any
set voltage,
PROBABLE CAUSE
Table 3-3. Troubleshooting (Cont)
CORRECTIVE ACTION
l.
a.
—
b.
—
c.
—
d.
—
a .
—
b.
—
c.
—
d.
—
e.
—
f.
—
a .
—
b .
—
c.
—
d .
e.
—
a.
—
b.
—
c.
—
& m. (Deleted)
Defective coolant thermo-
s t a t .
Defective or improperly
adjusted radiator
shutter and control
assembly.
Defective coolant temp-
erature transmitter.
Defective coolant
temperature gage.
Blown alternator fuse.
Improperly adjusted
alternator.
Defective or improperly
adjusted alternator belt.
Defective alternator.
Defective battery
charging ammeter.
Open wire in charging
circuit.
Improperly adjusted
alternator.
Defective batteries.
Low resistance or short
to ground.
Defective alternator.
Defective battery
charging ammeter.
Defective speed switch.
Defective VOLTS-AMPS
selector switch.
Defective ac voltmeter.
l. & m . (Deleted)
a.
replace thermostat (para 3-209).
b.
—
d.
—
a.
—
b.
—
d.
—
e.
—
f.
—
a.
—
b.
—
c.
—
d.
e.
—
a.
b.
—
c.
—
Adjust or replace shutter or control assembly
(para 3-171).
Replace transmitter (para 3-209).
Replace gage (para 3-120).
Replace fuse located at back end of alternator.
Adjust alternator (para 3-184).
Adjust or replace belt (para 3-183).
Replace alternator- (para 3-184).
Replace ammeter (para 3-124).
Find open wire and repair.
Adjust alternator (para 3-184).
Service or replace batteries (para 3-82).
Inspect wiring and repair as necessary.
Replace alternator (para 3-184).
Replace ammeter (para 3-108).
Replace speed switch (para 3-186).
Replace switch (para 3-11 2).
Replace voltmeter (para 3-105).
Change 1
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