(4) Pull the junction box forward, and disconnect the two wiring harness plugs from the receptacles
rear surface of the junction box.
(5) Remove the junction box from the air conditioner.
Refer to figure 5-8 for identification of service valves, proceed to remove the pressure relief valve as follows:
b. When all refrigerant gas has been discharged from the system, unscrew and remove the pressure relief valve.
Use a back-up wrench to prevent damage to refrigeration system tubing.
a. Wrap Teflon pipe tape around the threads of the replacement pressure relief valve, and screw the valve into
the tee. Use a backup wrench on the tee to prevent damage when tightening the valve.
b. Replace the filter-drier, and
complete the assembly
of the air conditioner
in paragraph 5.55.
Section XIII. RECEIVER
5.70. Description (See figure 5-8).
The receiver is a small cylindrical tank in the line between the condenser coil and the sub-cooler section of the condenser
coil. Its function is to act as a reservoir for liquid refrigerant, which tends to stabilize operation of the refrigeration system.
The receiver is located on the left side of the air conditioner, just in front of the condenser coil.
To gain access to the receiver, it is necessary to remove the lower panel and the compressor (Refer to paragraphs 5.18 and
Remove the receiver from the air conditioner as instructed below:
a. Remove two screws and lock washers that secure the receiver support bracket from the outside of the casing.
of dry nitrogen connected
to the discharge service valve,
and the compressor discharge
connection capped or plugged to prevent escape of the nitrogen at that point, debraze the tubing connections from the
receiver, starting with the top connection.
c. Withdraw the receiver, band clamp and support bracket as a unit.
d. Loosen the clamping screw in the band clamp, and slide the clamp from the receiver.
Install the receiver as directed in the following procedure:
a. Place the receiver in the band clamp, and tighten the clamping screw finger tight.
b. Install the receiver, band clamp and support bracket into the air conditioner as a unit. Secure the support
bracket with two screws and lock washers from outside the casing.