4-21. REMOVE/lNSTALL EXPLOS1ON PROOF D1STRIBUTION BOX ASSEMBLY
Remove junction box. See figure 4-17.
See paragraph 1 and perform steps a. b. and c.
Remove twelve cable fittings. Six on top of the box and three on each side.
Slide cables out through the slots on top and sides of the box.
Remove four junction box mounting screws and flat washers.
Unscrew box from cable conduit.
Remove junction box.
Install junction box. See figure 4-17.
Align new junction box onto junction box mount located below the environmental control
unit remote control module and screw junction box onto cable conduit.
Install four junction box mounting screws and flat washers.
Carefully insert cables through slots on top and side of box. Install twelve cable fittings,
six on top and three on each side of box.
Connect all terminal wires and tighten terminal screws.
Install type M relay. See figure 4-17.
Place new relay on mounting panel. Install three screws, flat washers and nuts,
Connect relay terminal wires and tighten terminal screws.
Install terminal board. See figure 4-17.
Place new terminal board on mounting panel. Install four terminal board screws, flat
washers, and nuts to the mounting panel.
Connect all terminal board terminal wires and tighten terminal screws.
Install junction box assembly. See figure 4-17.
Place mounting panel injunction box. Install four mounting screws.
Align the junction box cover plate onto the junction box. install 20 cover plate bolts.
Close all circuit breakers and verify proper operation.