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12. Ensure that all components are protected from heat with
damp rags and / or metal shields.
13. Apply a slow nitrogen gas purge.
14. Braze component/s in place using BAg 28 compound silver
solder.
15. Remove all rags and metal shielding.
16. Inspect all brazing joints.
17. Assemble solenoid valve/s internal parts (this procedure is
shown in the “Solenoid valve replacement procedure”).
18. Install new valve cores.
19. Pressurize the system and check for leaks. Be sure to pres-
surize both sides of any solenoid valve and the high and low
side of the system.
20. Evacuate the refrigeration system.
21. Charge the refrigeration system to specifications.
22. Test the unit for proper operation.
23. Install all access covers.
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