Receiver. - TM-5-4120-352-140098

TM 5-4120-352-14

CAUTION

5-25. Receiver.

Remove bonnet assembly and dir-

a. Removal. Refer to figure 6-1 and discharge

aphragm before applying heat to

the refrigerant system. Refer to figure 4-5 and re-

valve body.

move rear top cover. Remove four screws and two

mounting straps (fig. 5-8). Disconnect receiver

tubing.

(5) To remove liquid bypass solenoid valve

b. Installation. Install receiver and solder

(figure 5-8), remove two screws and spacers and un-

connections. Install two mounting straps and four

solder valve body from tubing. Remove bushings.

screws using sealing compound on screw threads.

(6) To remove equalizer solenoid valve, re-

Refer to figure 6-2 and charge the refrigerant

move two screws and lockwashers that secure valve

system.

body to bracket. Unsolder valve body and remove

bushings.

b. Installation. Install solenoid valves as fol-

5 - 2 6 . Liquid Sight Indicator.

lows:

a. Removal. Refer to figure 6-1 and discharge

(1) Install bushings in valve body and solder

the refrigerant system. Remove housing rear top

body on tubing.

cover (figure 4-5). Remove two screws and lock-

(2) When installing equalizer solenoid valve

washers from sides of liquid sight indicator (fig. 1-

body, secure body to bracket with two screws and

2) and remove mounting bracket (fig. 5-8) from in-

lockwashers installed from underside of bracket

side housing. Unsolder liquid sight indicator from

into valve body.

tubing.

(3) When installing liquid bypass solenoid

b. Installation. Solder liquid sight indicator

valve body, install spacers between body and hous-

on tubing. Place bracket over indicator on inside of

ing and install two screws from outside of housing.

housing and secure with two screws and lock-

(4) Place diaphragm in the body with the pilot

washers. Install housing top rear cover (figure 4-5).

port extension away from body. Hold plunger with

Refer to figure 6-2 and charge the refrigerant

synthetic seat against pilot port. Make sure pre-

system.

formed packings are in place and lower bonnet as-

sembly over plunger. Install body screws.

5 - 2 7 . Solenoid Valves.

(5) Connect electrical connector.

a. Removal. Removal procedures for the by-

(6) Refer to figure 4-5 and install housing rear

pass solenoid valve and the equalizer solenoid valve

top cover.

are the same except for the mounting hardware.

(7) Refer to figure 6-2 and charge the refrig-

(1) Refer to figure 6-1 and discharge the re-

erant system.

frigerant system.

(2) Refer to figure 4-5 and remove housing

5-28. Thermal Expansion Valve.

rear top cover.

a. General. The main thermal expansion valve

(3) Disconnect solenoid valve electrical con-

is hermetically sealed and cannot be repaired.

nector.

b. Removal. Remove the thermal expansion

(4) Remove two socket-head cap screws from

valve as follows:

underside of valve body and carefully remove bon-

(1) Refer to figure 6-1 and discharge the re-

net assembly. Do not drop plunger. Remove

frigerant system.

diaphragm.

(2) Remove housing top covers (figure 4-5).

(3) Soften mastic in bulb well (fig. 5-9) and re-

move bulb from well. Take care to prevent damage

to capillary tube.

(4) Unsolder thermal expansion valve from

tubing.

5-20