TM 10-3510-220-24
Table 3-1. Direct Support Troubleshooting (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
14. DRYING TAKES TOO LONG.
Step 1.
Check for reversed motor direction.
a. If motor direction is reversed, disconnect and reverse any two phase lines.
b. If motor direction is correct, proceed to next step.
Step 2. Check for cracked, worn, or broken exhaust motor parts.
a. If motor is damaged, replace motor. (refer to paragraph 3-26.)
b. If problem persists, notify your supervisor.
15. DRYER’S HEATED AIR IS NOT DRAWN THROUGH TUMBLER.
Step 1. Check for defective dryer blower impeller. Check for loose coupling and for missing
or damaged parts.
a. If impeller is defective replace impeller. (refer to paragraph 3-26.)
b. If impeller is not defective, proceed to next step.
Step 2. Check for defective dryer exhaust motor. With power off, remove exhaust motor
connection box cover. With power on, measure 120 VAC between each leg and
ground.
a. If exhaust motor voltage is present and motor does not turn, replace exhaust
motor. (Refer to paragraph 3-26.)
b. If problem persists, notify your supervisor.
16. DRYER FAILS TO OPERATE FOR SELECTED TIME.
Check for defective dryer timer. Compare operating time of dryer to a known standard.
If timer is defective, replace dryer timer. (Refer to paragraph 3-24.)
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