Thermo King KD-II SR, Manual

Page: 127 / 182

Refrigeration Service Operations (Rev. 04/03)
113
RECEIVER TANK
Removal
1. Remove the refrigerant charge.
2. Unsolder the condenser check valve tube and bypass
check valve tube from the receiver tank
3. Unsolder the filter drier line from the receiver tank out-
let tube.
4. Unbolt the mounting brackets and remove the receiver
tank from the unit.
Installation
1. Place the receiver tank in the unit and install the mount-
ing bolts and nuts loosely. Position the receiver tank so
the sight glass is clearly visible and the outlet tube lines
up.
2. Solder the condenser check valve tube and bypass
check valve tube to the receiver tank.
3. Solder the filter drier line to the receiver tank outlet
valve.
4. Tighten the receiver tank mounting hardware securely.
5. Pressurize the refrigeration system and check for leaks.
If no leaks are found, evacuate the system.
6. Recharge the unit with refrigerant.
THREE-WAY VALVE CONDENSER
PRESSURE BYPASS CHECK VALVE
REPAIR
Removal
1. Remove the refrigerant charge.
2. Unscrew the condenser pressure bypass check valve
cap from the check valve.
3. Remove the snap ring.
4. Unscrew the check valve stem by using a screwdriver
in the slot provided
NOTE: Spring and valve are held in by the stem.
While removing the stem, use care so the spring and
valve are not lost.
5. Remove the spring and Teflon valve.
6. Inspect the check valve seat in the three-way valve.
7. If replacement parts are needed, a 60-163 kit must be
used which includes the Teflon valve, spring, O-ring,
valve stem and snap ring.
Installation
1. Coat the O-ring with compressor oil (use same type of
oil that is used in the system) and install it on the check
valve stem.
2. Insert the spring into the hole in the check valve stem
and then install the Teflon check valve on the other end
of the spring with the hole in the valve towards the
spring.
1. Teflon Check Valve
2. O-Ring
3. Snap Ring
4. Cap
5. Stem
6. Spring
Top Cap Assembly