Opel 1900 1973, Service Manual

Page: 574 / 625

REFRIGERANT COMPONENTS ALL MODELS
Figure Removing or Installing Shaft Seal
Figure 10 Removing Seal Seat O-Ring
assembly the flats on the shaft and is seated
in place. Disengage the tool by pressing downward
and twisting tool counterclockwise.
4. Coat seal face of the new seal seat with clean
refrigeration oil. Mount the seal seat on Tool J-9393
and install it in the compressor
neck,
taking care not
to dislodge the seal seat ring and being sure the
seal seat a good seal with the “0” ring.
FRONT
HEAD
Figure 11 Installing Seal Seat O-Ring
5. Install the new seal seat retainer ring with its flat
side against the seal seat, using 21 pliers
(J-5403). Use the sleeve from J-9393 to press in
on the seal seat retainer ring so that it snaps into its
groove. Remove seal protector
from the end
of the shaft.
6. Install Compressor Leak Test Fixture (J-9625)
on rear head of compressor and connect gage charg-
ing lines as shown in Figure
Pressurize suc-
tion side of compressor with Refrigerant-12 vapor to
drum pressure. Temporarily install the shaft nut and,
with compressor horizontal and oil sump down,
tate
the compressor shaft in direction of rota-
tion several times by hand. Leak, test the seal with a
propane torch type leak in good condition.
Correct any leak found. Remove and discard the
shaft nut.
7. Remove any excess oil, resulting from installing
the new seal parts, from the shaft and inside the
compressor
neck.
8. Install the new absorbent sleeve by rolling the
material into a cylinder, overlapping the ends, and
slipping it into the compressor neck with the overlap
at the top of the compressor. Using a small screw-
driver or similar instrument, carefully spread the
sleeve so that in its final position, the ends butt
together at the top vertical centerline. Install the new
sleeve retainer so that its flange face will be against
the front end of the sleeve. Using the sleeve from
Tool J-9393, press and tap with a mallet, setting the
retainer and sleeve into place, until the outer edge of