TM9-4120-400-14
4-25.
COMPR CIRCUIT BKR CB1. - continued
INSPECTION
Check circuit breaker for general condition and loose, broken, or missing terminals.
TESTING
1. Check to see that continuity exists on each pair of terminals when circuit breaker is in the on position.
2. Check to see that there is no continuity between terminals with circuit breaker in the off position.
REPLACEMENT
-
Replace COMPR CIRCUIT BKR if defective.
INSTALLATION
Insert circuit breaker toggles through control panel. Be sure off position matches lettering on panel.
1.
2.
Secure circuit breaker (12) to panel with screws (10) and flat washers (11).
Insert pin (8) and spacers (9) through circuit breaker toggles to lock them together.
3.
4. See tags and wiring diagram (fig. 4-4) and connect wire leads. Remove tags.
5. Check that grommets (14) are in place in shaft holes.
6.
Slip back plate (7) in place and align holes in back plate with the three posts (6). Check that grommets (14) are
still in place in shaft holes. Secure with three self-locking screws (5).
7.
Install TEMPERATURE SELECTOR knob (4) and tighten setscrew (3).
8.
Slip cover (2) in place and secure with four screws (1).
NOTE
FOLLOW-ON MAINTENANCE:
Install control module (para 4-21).
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