TM 55-1520-240-23-7
9-11
INSTALL POWER DISTRIBUTION PANEL (PDP) CIRCUIT BREAKERS
(Continued)
9-11
NOTE
Procedure to install gang bar type
circuit breaker on No. 1 or No. 2 PDP
is the same. Removal of ac bus tie
circuit breaker with boot and flange on
No. 1 PDP is shown here.
4.
Position plastic boot (11) through the PDP, inside
circuit breaker opening.
NOTE
Ensure the molded word "ON" on the
plastic boot is in proper alignment
with the printed word "ON" on the
circuit breaker.
5.
Install the steel frame (12) with the flanged side
facing FWD.
NOTE
To attain the proper seal, ensure that
the flange is not installed upside down
and that the plastic boot contacts
the flanged side of the steel frame
symmetrically.
6.
Install the circuit breaker (10) through the back
side of PDP panel (2).
7.
Install six screws (13) with O-rings (14).
8.
Remove tape and connect wires (17). Remove
tags.
9.
Install six washers (18), lockwashers (15), and
nuts (16).
INSPECT
10.
Close panel (2). Tighten six fasteners (8).
FOLLOW-ON MAINTENANCE:
Perform operational check (TM 55-1520-240-T).
END OF TASK
9-45
