BOX CONNECTOR FOR ECU POWER CABLE CONTINUED
HIGH VOLTAGE exists in electrical system of shop. All electrical inspections, repairs, or
replacements will be performed with power OFF and only by a qualiied electrician. Serious
shock hazards exist which could result in INJURY OR EVEN DEATH to personnel.
This procedure covers obsolete NQOB circuit breaker panel and new NQOD circuit breaker
panel. These units are distinguishable by nameplates attached to panel boards.
Tag and disconnect shelter electrical power.
Set all circuit breaker switches to OFF position.
Open circuit breaker panel door
To remove panel cover and board:
NQOD - Remove four screws and four washers and lift circuit breaker panel cover from panel board.
Move clamp ingers to OPEN position and lift circuit breaker panel cover from panel board.
Remove four screws and lift panel board from circuit breaker box.
Once panel boards are removed, all further procedures are identical for both models.
With circuit breaker box door and panel removed, disconnect wires from 30 amp, 240V circuit breakers
(Figure 5, Item 5), neutral bar (Figure 5, Item 3) and ground bar (Figure 5, Item 4).
Loosen compression nut (Figure 5, Item 1) on outside of circuit breaker box that is securing ECU power cable
in box connector (Figure 5, Item 6).
Pull ECU power cable through and out of box connector (Figure 5, Item 6).
Remove box connector lock nut (Figure 5, Item 2) from inside circuit breaker box.
Remove damaged box connector (Figure 5, Item 6).
BOX CONNECTOR FOR ECU POWER CABLE
Insert new box connector (Figure 5, Item 6) into hole in side of circuit breaker box, place compression nut
(Figure 5, Item 1) on box connector (Figure 5, Item 6) and tighten.
Push ECU power cable through box connector (Figure 5, Item 6) and locate at original position.
Tighten compression nut (Figure 5, Item 2) on inside of circuit breaker box.
Connect wires to 30 amp, 240V circuit breaker (Figure 5, Item 4).
Replace panel board and cover.
Move main circuit breaker to the ON position.