TM 9-4120-407-14
(8) Place circuit breaker (9) reset bar in the ON position.
Al to A2, B1 to B2, and C1 to C2 on circuit breaker (9). All contacts should be closed. If there is
no continuity on any check, replace circuit breaker.
b. Removal.
(1) Tag and disconnect wire leads.
(2) Remove six screws (10), lock washers (11), flat washers (12) and the circuit breaker cover (13).
Discard lock washers.
(3) Remove circuit breaker (9).
c. Installation.
(1) Secure circuit breaker (9) and circuit breaker cover (13) to panel (8) with six screws (10), new lock
washers (11), and flat washers (12).
(2) See tags and wiring diagram Figure 3-5 and connect wire leads. Remove tags.
(3) Slip panel (8) back into safety control box (6) and aline mounting holes.
(4) Install four screws (7).
Be careful when moving refrigerant tubing, a kink or any other
damage can result in a leak or reduced refrigerant flow.
(5) Carefully push safety control box (6) back into unit and secure with six screws (3), new lock
washers (4), and flat washers (5).
(6) Close condenser discharge air deflector door (2) and tighten two tumlock fasteners (1).
NOTE
FOLLOW-ON MAINTENANCE:
Check that circuit breakers are reset to ON position.
3-131