Refrigeration Service Operations (Rev. 04/03)
87
REASSEMBLY
1. Install new bellows with O-ring into the housing.
2. Center the spring on bellows shoulder.
3. Oil the gasket, install on the body, and place shims in
end cap (use same number as removed). Tighten end
cap in place with vent hole closest to outlet opening of
the valve body.
4. Install the piston, spring and tighten the castle nut until
firmly seated against the bottom of the piston.
5. Back off the castle nut, one full turn only.
6. Insert the cotter pin.
7. Oil the gasket and install the end cap.
8. Throttling valve will have to be recalibrated on operat-
ing unit. (Refer to Specification chapter for setting.)
9. Adjust by adding or removing shims under the spring.
Installation
1. Install the throttling valve using new O-ring soaked in
compressor oil (same type of oil that is used in the sys-
tem). Bolt the throttling valve to the compressor.
2. Connect the suction hose from the throttling valve to
the accumulator tank. Install line from the compound
gauge.
3. Pressurize the system and check for leaks. If no leaks
are found, evacuate the system.
4. Open the refrigeration valves and place the unit in oper-
ation.
To Next Page