BOX CONNECTOR FOR ECU POWER CABLE
Visually inspect for damage. If damage is present, remove and replace ECU box connector.
Turn off all power to shelter before proceeding to any tests or repairs.
Work should be performed by a qualified electrician.
1. Tag and disconnect shelter electrical power.
2. Set all circuit breaker switches to OFF position.
This procedure covers obsolete NQOB circuit breaker panel and new NQOD
circuit breaker panel. These units are distinguishable by nameplates attached to
3. Open circuit breaker panel door.
4. To remove panel cover and board:
a. NQOD - Remove four screws and washers and lift circuit breaker panel cover from panel board.
b. NQOB - Move clamp fingers to OPEN position and lift circuit breaker panel cover from panel board.
Remove four screws and washers and lift panel board from circuit breaker box.