Table 3-1. Direct Support Troubleshooting - continued
TEST OR INSPECTION
ROWPU ASSEMBLY - continued
TIMER CONT CIRCUIT BREAKER (CB9) FAILS TO RESET.
High voltages in this equipment can cause serious injury or death. When
applying power during a test, take proper measures to ensure personal safety.
Never work on electrical equipment unless there is another person nearby who is
familiar with the operation and hazards of the equipment and who is competent in
administering first aid.
Remove power at power source, disconnect wire from circuit breaker, CB9 at terminal T and attempt to reset.
If circuit breaker trips, replace circuit breaker, CB9. Refer to paragraph 3-9.
Remove power at power source, reconnect wire to CB9, disconnect cable assembly, W52 at junction box,
apply power and attempt to reset circuit breaker.
If circuit breaker does not trip, go to step 4.
Remove power at power source and check for loose and frayed wires injunction box.
If wire is frayed, replace frayed wire.
If wire is disconnected, reconnect it.
Remove power at power source, reconnect cable assembly, W52 to junction box, and disconnect at control
box. Apply power and attempt to reset circuit breaker.
If circuit breaker trips, repair cable assembly, W52 Refer to paragraph 3-22.
Remove power at power source, reconnect cable assembly, W52 and disconnect cable assembly, W49 from
If circuit breaker does not trip, repair timer assembly. Refer to paragraph 3-42.