TM10-3930-660-20 8-12. CIRCUIT  BREAKERS -  REPLACE  (Cont’d) Tag all wire leads and circuit breaker terminals for use during installation. 2. 3. 4. REMOVE TWO NUTS (4) AND TWO LOCKWASHERS (5) FROM CIRCUIT BREAKER (6)  . REMOVE WIRE LEADS (7) FROM CIRCUIT BREAKER (6). DISCARD LOCKWASHERS (5). REMOVE CIRCUIT BRBAKER (6) BY PULLING CIRCUIT BRBAKER (6) STRAIGHT OUT OF BRACKBT  (8). IF NECESSARY, RBMOVE BRACKET (8) FROM CAB (9). a. b. c. Tag and remove all circuit breakers (6) from bracket (8) to be removed. Refer to steps 3 and 4, above. Remove two nuts (10) and two lockwashers (11) securing each end of bracket (8). Remove bracket (8) . Discard lockwashers (11). From outside of cab (9) remove two screws  (12). INSTALLATION The circuit breakers are arranged as shown in the figure at right. CIRCUIT BREAKER AMPS CB1 CB2 CB3 CB4 CB5 CB6 CB7 CB8 CB9 CB1O 6 6 6 15 6 40 10 10 6 10 8-28