Section XVI: MAINTENANCE OF JUNCTION BOX

TM 5-4120-352-14

tighten setscrew.

c. A ssem bly.

(6) Control Module. After components have

(1) General. Refer to figure 4-17 and install

been installed, make all necessary electrical con-

any components that were removed. Complete the

nections. Insert capillary tube bulb through open-

assembly as described in (6) below.

ing in cover. Install cover and mounting screws. In-

(2) Circuit Breaker. Install circuit breaker,

stall capillary tube grommet.

screws and washers. Assemble handle spacers and

d. Installation.

shaft.

(1) Install temperature selector switch bulb

(3) Evaporator Fan Toggle Switch. Install

and tube through slot in junction box. Install bulb

toggle switch and secure to mounting plate with

in clamps (fig. 4-16) and tighten screws,

switch nut and lockwasher.

(2) Install control module into junction box

(4) Temperature Selector Switch. Install

and turn connector knob clockwise until screw is

switch and secure with four screws, washers, and

tight.

nuts. Install switch knob. Install clamp on capillary

(3) Refer to figure 4-2 and install evaporator

tube and secure clamp with nut.

air inlet louver.

(5) Mode Selector Rotary Switch. Install

switch and secure with switch nut. Install knob and

MAINTENANCE OF JUNCTION BOX

Section XVI.

4-43. Junction Box.

(2) Remove seven screws and lockwashers se-

curing junction box to housing. Partially remove

The junction box (Fig. 1-1) contains the time

the junction box by pulling the box forward and out

delay relay, control circuit breaker, condenser fan

of the air conditioner. See figure 4-18. Support the

relay, heater relay, and the compressor motor relay.

junction box to relieve strain on wiring.

a. Removal.

(3) To completely remove the junction box it

(1) Refer to figure 4-5 and remove front top

is necessary to disconnect all the electrical leads

cover. Refer to paragraph 4-42 and remove control

and connectors.

module.

4-36