2-2
2.2.2 INSTALLING COMPRESSOR
WARNING
Midseat service valves or by other means relieve
pressure in replacement compressor before
removing plugs.
CAUTION
The high capacity oil pump must be set to rotate
in the same direction as the crankshaft. (Refer to
Section 3.4)
a.
Install the compressor by reversing the
procedure of section 2.1. Install new locknuts on
compressor mounting bolts and new gaskets on suction
and discharge service valves.
b.
Check oil level in sight glass (See Figure 2-2). If
necessary, add or remove oil.
c.
Leak test, evacuate, and dehydrate the
compressor.
d.
Fully backseat suction and discharge service
valves.
e.
Run the compressor and check for leaks and
noncondensibles in the refrigerant system.
f.
Check refrigerant level.
g. Recheck compressor oil level.
h.
Check operation of compressor unloaders (if
installed).
OLD SIGHT GLASS LOCATION
and PROPER LEVEL
NEW SIGHT GLASS LOCATION
and PROPER LEVEL
--- Maximum
--- Minimum
1/4
Sight
Glass
Figure 2-2. Oil Level in Sight Glass