TM 10-3610-203-14
19-2. Power Service Box Assembly
a.
Inspection. Inspect the main power service box assembly as follows:
(1)
Inspect service box door and hinges for damage and ease of movement. Ensure that data
stencils are legible.
(2)
Inspect protective cover panel for damage and security.
(3)
Inspect service box housing for dents, defective paintwork or other damage.
(4)
Inspect circuit breakers for correct operation.
(5)
Inspect circuit breaker aperture blanks for damage and security.
b.
Circuit Breaker Panel.
(1)
Removal. Remove the circuit breaker panel assembly as follows:
WARNING
High voltage capable of causing death is utilized in this power circuit. Use extreme caution
during the disconnect process.
(a)
Disconnect main power cable from main power receptacle.
(b)
Remove the four door panel screws and remove the door panel. (See fig. 19-1).
(c)
Remove the four circuit breaker panel screws and remove the circuit breaker panel.
(d)
Detach and tag all wires.
(e)
Loosen the four nuts at the four corners of the interior panel.
(f)
Remove the interior panel by sliding up and lifting out.
(2)
Repair. Repair of the circuit breaker panel consists of replacement.
(3)
Installation. Install the circuit breaker panel as follows:
(a)
Position replacement panel over nuts and slide downwards.
(b)
Tighten the interior panel attaching nuts.
(c)
Connect all wires and remove tags.
(d)
Position circuit breaker panel and install attaching screws.
(e)
Position front door panel and install attaching screws.
(f)
Connect main power cable.
c.
Circuit Breakers.
(1)
Removal. Remove circuit breakers as follows:
WARNING
High voltage capable of causing death is utilized in this power circuit. Use extreme caution
during the disconnect process.
(a)
Disconnect main power cable from main power receptacle.
(b)
Remove the four screws that attach the circuit breaker panel cover to the service box
and remove the cover. (See fig. 19-1).
(c)
Disconnect and tag wires from the circuit breaker and pull the circuit breaker from the
mounting bar and contact bar.
(2)
Repair. Repair of the circuit breakers consists of replacement.
(3)
Installation. Install the circuit breakers as follows:
(a)
Position replacement circuit breaker and push into mounting and contact bars.
(b)
Connect wires to the circuit breaker and remove tags.
(c)
Position the panel cover on the service box and install attaching screws.
(d)
Connect main power cable to main power receptacle.
19-3
