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Page Title: c. Removal
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TM 9-4120-389-14 (4) Set circuit breaker to ON position. (5) Use  a  multimeter  set  on  the  lowest  OHMS  scale  and  repeat  continuity  checks  between terminals Al and A2, B1 and B2, C1 and C2, and auxiliary switch terminals C and NO.  All four contacts should be closed.  If there is no continuity on any check, replace circuit breaker. c. Removal (1) Remove four screws that secure cover to control module. (2) Tag and disconnect wire leads to circuit breakers. (3) Remove retainer clips and press out one pin and two spacers on three circuit breaker toggles. (4) Remove six screws and washers in circuit breaker. (5) Remove circuit breaker. d. Installation (1) Install replacement circuit breaker in housing. NOTE Verify  that  the  OFF-ON  designation  of  circuit  breaker  switches correspond   to   OFF-ON   designation   of   housing   identification plate. (2) Secure circuit breaker to housing with six screws and washers. (3) Install retainer clips, two spacers, and one pin in toggles. (4) See tags and wiring diagram. (FO-1) and reconnect wire leads.  Remove tags. (5) Secure cover to control module with four screws. Follow-on procedures: 1. Install control module (See para. 4-38). 2. Install junction box (See para. 4-46). 4-125

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