TM 9-4120-403-14
Replacement
(1) Tag and disconnect wire leads.
(2) Remove switch.
(3) See tags and wiring diagram and connect leads. (See fig. 4-7.)
(4) Remove tags.
(5) Slip lockwasher onto switch shaft.
(6) Slip switch into control box and place shaft through hole.
(7) While holding backside of switch, secure switch to box with nut. Be sure that switch positions match front plate.
(8) Insert rear panel into box and aline holes.
(9) Secure rear panel with four screws and locknuts.
(10) Place knobs on switch shafts and aline setscrews with flats on shafts.
(11) Tighten setscrews in both knobs.
Follow-on procedure: Install control panel. (See para 4-26.)
4-60