4-31. CIRCUIT  BREAKER.  (cont) a. Test. WARNING To  prevent  injury,  ensure  that battery is disconnected  before performing maintenance on electrical  components. (1) connector (2) door. (3) Disconnect  battery  cable  plug from battery. Open control panel access Loosen  turnlock  fasteners  and open  control  panel. (4) Set voltmeter to read resis- tance on the low scale. (5) Connect positive (+) lead to CB1 terminal 1. (6) Connect negative (-) lead to CB1 terminal 2. (7)  Press CB1 reset button. Meter  should  read  zero  ohms  or  full scale  deflection. If not, replace CB1. (8) Open circuit by on CB1. Repeat steps 5, Meter  should  read  infinity deflection. If  resistance replace CB1. (9) Close control pulling out 6, and 7. and show no is  present, panel and secure  with  turnlock  fasteners. (10)  Close  control  panel  access door. (11)  Connect  battery  cable  plug connector  to  battery. ARMY TM  5-6115-612-12 MARINE  CORPS  TM  6115-12/7 AIR  FORCE TO 35C2-3-471-1 NAVY AG-320B0-0MM-000 b. Removal. WARNING To  prevent  injury,  ensure  that battery  is disconnected  before performing maintenance on electrical  components. (1) connector (2) door. (3) Disconnect  battery  cable  plug from battery. Open control panel access Loosen turnlock fasteners and open control panel. (4) Tag and disconnect wires from terminals 1 and 2 of CB1. (5)  Remove nut and circuit breaker. c. Installation. (1)  Insert  circuit  breaker  into mounting  hole. Secure with nut. (2) Connect wires to terminals. (3)  Ensure  that  circuit  breaker reset button is pushed all the way in. (4) Close control panel and secure  with  turnlock  fasteners. (5) Close control panel access door. (6)  Connect  battery  cable  plug connector to battery. 4-32. STARTER of the starter replacement. ASSEMBLY. Maintenance consists of testing and 4-77