TM 10-3610-202-14 19-2.  Main Power Service Box Assembly. a.    Inspection.      Inspect   the   main   power   service box assembly as follows: (1) Inspect  service  box  door  and  hinges  for damage   and   ease   of   movement.      Ensure   that   data stencils are legible. (2) Inspect protective cover panel for damage and security. (3) Inspect   service   box   housing   for   dents, defective paintwork or other damage. (4) Inspect circuit breakers for correct operation. (5) Inspect circuit breaker aperture blanks for damage and security. b.    Circuit Breaker Panel. (1) Removal.      Remove   the   circuit   breaker panel assembly as follows: WARNING High  voltage  capable  of  causing death   is   utilized   in   this   power circuit.          Use     extreme     caution during the disconnect process. (a)    Disconnect  main  power  cable  from main power receptacle. (b)    Remove the four door panel screws and remove the door panel.  (See fig.  19-1.) (c)    Remove    the    four    circuit    breaker panel screws and remove the circuit breaker panel. (d)    Detach and tag all wires. (e)    Loosen   the   four   nuts   at   the   four corners of the interior panel. (f)    Remove the interior panel by sliding up and lifting out. (2) Repair.      Repair   of   the   circuit   breaker panel consists of replacement. (3) Installation.      Install   the   circuit   breaker panel as follows: (a)    Position    replacement    panel    over nuts and slide downwards. (b)    Tighten  the  interior  panel  attaching nuts. (c)    Connect all wires and remove tags. (d)    Position   circuit   breaker   panel   and install attaching screws. (e)    Position front door panel and install attaching screws. (f)    Connect main power cable. c.    Circuit Breakers. (1) Removal.      Remove   circuit   breakers   as follows: WARNING High  voltage  capable  of  causing death   is   utilized   in   this   power circuit.          Use     extreme     caution during the disconnect process. (a)    Disconnect  main  power  cable  from main power receptacle. (b)    Remove the four screws that attach the  circuit  breaker  panel  cover  to  the  service  box  and remove the cover.  (See fig.  19-1.) (c)    Disconnect  and  tag  wires  from  the circuit   breaker   and   pull   the   circuit   breaker   from   the mounting bar and contact bar. (2) Repair.      Repair   of   the   circuit   breakers consists of replacement. (3) Installation.    Install  the  circuit  breakers as follows: (a)    Position replacement circuit breaker and push into mounting and contact bars. (b)    Connect wires to the circuit breaker and remove tags. (c)    Position    the    panel    cover    in    the service box and install attaching screws. (d)    Connect  main  power  cable  to  main power receptacle. 19-3/(19-4 blank)