TM 10-3835-223-13&P
4-10. TROUBLESHOOTING TABLE
Refer to Table 4-2.
Table 4-2. Unit Troubleshooting.
WARNING
Be sure to read ALL Warnings in front of manual before troubleshooting.
NOTE
Remove power pack from frame unit as required to aid troubleshooting.
Remove guard from power pack as required to access power pack
components.
MALFUNCTION
TEST OR INSPECTION.
CORRECTIVE ACTION
1. REEL (POWER PACK) WILL NOT OPERATE WHEN RUN SWITCH IS DEPRESSED.
Step 1. Inspect slave power cable for cuts, broken wires and damaged connectors.
Replace slave power cable.
Step 2. Test for damaged control cable.
a. Disconnect control cable assembly from power pack (para 4-15).
b. Depress and hold RUN switch (S1). Using a multimeter, check for continuity between pins G
and J on control cable plug.
c. If continuity does not exist, replace control cable (para. 4-13).
Step 3. Test for bad starter solenoid.
a. Remove power pack guard (paragraph 3-6),
b. Using a multimeter, check for continuity between points D and G on power pack jack.
c. If continuity does not exist, starter solenoid must be replaced. Notify direct support
maintenance.
Step 4. Test for defective power unit motor coil windings.
a. Using multimeter, check for continuity between positive (+) and negative (-) terminals of
power unit motor.
4-8
