TM 9-6150-228-13&P
5.8
400-AMP CIRCUIT BREAKERS.
This task covers:
a. Removal
b. Installation
INITIAL SETUP
Tools
Equipment Conditions
General Mechanic's Automotive Tool Kit
Reference
(Item 2, Appendix B).
Para 2.5 Equipment shut down.
Torque Wrench (Item 6, Appendix B).
Para 4.15 Sub panel removed.
Materials/Parts
Tags (Item 14, Appendix E)
WARNING
Personnel Required
High voltage is present in this equipment during
operation. Do not attempt making any repairs
One.
without first shutting down all input power from the
power distribution panel. Failure to observe this
warning could result in serious injury or death.
REMOVAL
a. Remove four screws (1, Figure 5-3), washers (2), and remove interlock (3), and eight washers (4).
b. Remove four screws (5) and remove plate (6).
c. Tag and identify leads. Loosen six screws (1 0) and remove electrical leads.
d. Remove four screws (9).
e. Remove six screws (7) and washers (8), and remove two 400-amp circuit breakers (11).
INSTALLATION
a. Install two 400-amp circuit breakers (11), six washers (8), and screws (7).
b. Install four screws (9) and tighten.
c. Install six electrical leads and remove tags. Tighten six screws (1 0). Torque screws (7) and (1 0) to 275 in. lb
(31.4 Nm).
d. Install plate (6) and secure with four screws (5). Tighten screws.
e. install eight washers (4) and interlock (3). Secure with four washers (2) and screws (1 ) Tighten screws.
5-6
