ARMY
TM 5-6115-612-12
MARINE CORPS TM 6115-12/7
AIR FORCE
TO 35C2-3-471-1
NAVY
AG-320B0-0MM-000
4-10. GENERAL. (cont)
Table 4-3.
Organizational Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
WARNING
To prevent injury, ensure that
battery is
disconnected before
repairing
or replacing damaged
wires.
Step 2.
Measure voltage on terminals of HOURMETER.
Voltage should be
same as indicated on VOLTAGE meter.
If voltage is same, replace HOURMETER (paragraph 4-71).
If no voltage,
disconnect battery cable plug connector.
Visually inspect for damage and shorts and
perform
continuity check on following wires.
P106D18 (M4(-) to TB3-20) P107E18 (M4(+) to TB3-10)
P107D18 (TB3-1O to S4-23) P106C18 (TB3-20 to S4-13)
Repair or replace wires as necessary.
21.
NO VOLTAGE INDICATED ON VOLTAGE METER.
WARNING
To prevent injury, ensure that
battery is
disconnected before
repairing or
replacing damaged
wires.
Step 1.
Check for 20-35 Vdc on output contactor S4-A1 and S4-B1.
If no voltage, inspect power leads from generator to output
contactor.
Replace if damaged.
If good, go to Step 3.
If voltage present, check for 20-35 Vdc at output contactor
S4-12 and S4-22.
If voltage present, go to Step 2. If no
voltage, disconnect battery cable plug connector. Check
continuity of jumper wire between S4-B1 and S4-13 and
between S4-A1 and S4-23.
Repair or replace wires as
necessary.
Reconnect battery cable plug connector.
4-42
