Refrigeration Service Operations
125
Throttling Valve Installation
1. Install the throttling valve using a new O-ring
soaked in compressor oil. Bolt the throttling
valve to the compressor.
2. Install the suction valve.
3. Pressurize the low side and check for leaks. If
no leaks are found, evacuate the low side.
4. Open the refrigeration valves and place the
unit in operation.
AEA652
1. Screw—mtg plate 9. Gasket—piston housing
2. Plate—bellows end 10. Piston
3. Gasket—end plate 11. Spring—piston
4. Washer—adjusting 12. Nut—adjusting
5. Spring—bellows 13. Pin—cotter
6. Bellows and Shaft—assy 14. Housing—piston
7. O-Ring 15. Valve—Schrader
8. Housing 16. O-Ring—valve to compressor
Figure 69: Throttling Valve Assembly
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