Figure 21-3. Service Valves
SERVICE VALVE REPLACEMENT
—CAUTION—
Whenever a r conditioning refrigerant lines or system are opened
for any reason, lines and fittings must be capped and sealed
immediately to prevent dirt and other contaminants from entering
system. (It is not advisable to put a plug into hoses or fittings.)
Compressor service valves are sealed with a gasket placed in valve port boss. Lubricate gasket with
refrigerant oil of type used in compressor, place valves with tube fitting facing aft and secure with 0.312 bolts,
tighten to a torque of 15 to 23 inch-pounds.
21 - 52 - 00
Page - 21 - 15
Reissued: August 1, 1986
1G5
PIPER AIRCRAFT
PA-28-236
MAINTENANCE MANUAL
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