Buick LeSabre 1965 Service Manual page 829

11 - 9 6 OPTIONAL HEATER-AIR CONDITIONER SYSTEM
ACCESSORIES
TEFLON SURFACES
Figure 11-119—Removing Rear Suction
Valve Reed Disc
NOTE: See subparagraph "g"
installation of
for
rear head and oil
pump.
b. Compressor Cylinder
Assembly and Front
Head Removal
1. Remove oil inlet tube, using
J-6586 Remover. See F i g u r e
11-120. If tube "O" ring did not
come out with tube, remove it
from cylinder with small wire.
2. Push on front of compressor
shaft to remove cylinder assem-
bly from shell. See Figure
11-121. The cylinder assembly
will slide out of shell when shell
is inverted.
CAUTION: Do not hammer or use
force on end of shaft.
3. If the front discharge valve
plate and suction valve reed disc
were removed with cylinder as-
sembly, remove these parts from
Figure 11-121—Removing Cylinder
Assembly
shaft before proceeding and ex-
amine for damage.
4. Examine cylinder assembly for
any obvious damage.
NOTE: If cylinder assembly has
sustained major damage, due pos-
sibly to loss of refrigerant and/or
oil, it may be necessary to
replace unit with a service cyl-
inder and shaft assembly rather
than replace individual parts.
5. R e m o v e compressor front
head, using rubber mallet or wood
block to unseat head from shell.
See Figure 11-122. Care must be
used to protect teflon surface on
head from being damaged.
6. Remove and discard front head
to shell "O" ring seal.
Figure 11-123-Front Head
7. Examine teflon sealing surface
on front head for damage and/or
deep scratches. Replace if nec-
essary. See Figure 11-123.
NOTE: If compressor cylinder
assembly is going to be replaced,
omit subparagraphs "c", "d" and
c. Disassembly of
Compressor Cylinder
Assembly
1. Remove suction pass cover as
shown in Figure 11-124 and dis-
card seal on cover.
2. Place cylinder assembly infix-
ture as shown.
3. Number pistons " 1 " , "2" and
"3" and their cylinder bores so
parts can be replaced in their
original locations.
Figure 11-120—Removing O i l
Inlet Tube Figure 11-122—Removing Front Head
Figure 11-124—Removing Suction Pass
Cover and Seal