COMPR CIRCUIT BKR CB1. (Cont)

TM5-4120-383-14

4-25.

COMPR CIRCUIT BKR CB1.-Continued

(3) See figure 4-21 and remove four screws and pull cover

off.

(4) Loosen setscrew in the TEMPERATURE SELECTOR knob. Remove

knob.

(5) Remove three screws from the posts and slip back plate

off.

(6) Tag and disconnect wires from the circuit breaker.

(7) Remove pin and spacers from circuit breaker toggles.

(8) Remove screws and pull circuit breaker from the panel.

Test.

(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.

Replace.

Replace COMPR CIRCUIT BKR if defective.

Installation.

(1) Insert circuit breaker toggles through control panel. Be

sure off position matches lettering on panel.

(2) Secure circuit breaker to panel with screws and washers.

(3) Insert pin and spacers through circuit breaker toggles to

lock them together.

(4) See wiring diagram figure 4-4 and tags and connect wire

Remove tags.

leads.

(5) Align holes in the back plate with the three posts and

secure with screws.

(6) Check that grommets are in place in shaft holes. Install

TEMPERATURE SELECTOR knob and tighten setscrew.

(7) Slip cover back in place and secure with four screws.

(8) See paragraph 4-21c and install control module.

(9) Connect power at power source.

4-72