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STEP 5 - Replace the pressure tap valve cores and
caps after the service valves have cooled.
Section 8. Refrigerant Line Leak Check
8.1 Check For Leaks
STEP 1 - Pressurize the refrigerant lines and evapo-
rator coil to 150 PSIG using dry nitrogen.
STEP 2 - Check for leaks by using a soapy solution
or bubbles at each brazed location.
10
150 PSIG
18-AC78D1-6
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