13
8. Unpack new compressor. Remove plugs from the ports.
Compressors are typically shipped pressurized with a
dry nitrogen charge. Safety glasses are especially
necessary when removing plugs. Orient compressor so
the plug will exit the port pointing away from you and
others.
NOTE: Replacement Copeland compressors already con-
tain an adequate oil charge. It is not necessary to add any
oil to the new compressor.
9. Remove the suction service port stem from the old com-
pressor, and insert it into the new compressor.
10. Apply nitrogen purge gas to the stem.
11. Braze in place using BAg 28 (silver solder) compound.
12. Position the new compressor in place.
13. Position the new dryer in place. Ensure the flow direction
arrow points toward the solenoid valve.
14. Wrap a damp rag around the dryer.
15. Apply nitrogen purge gas to the suction service port.
16. Braze the suction and discharge lines to the compressor,
using BAg 28.
17. Braze the dryer in place, using BAg 28.
18. Insert new valve cores in the Shrader valves.
19. Pressurize system and leak check.
20. Evacuate system.
21. Charge system to specification.
22. Test system.
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