Pontiac tempest 1968 Service Manual page 53

1A-26
1968 P O N T I A C SERVICE M A N U A L
/
/.
SUCTION • ,
REED \
LARGE HOLE
RECESS J
REAR DISCHARGE FRONT DISCHARGE
VALVE PLATE VALVE PLATE
F i g . 1A-39 I d e n t i f i c a t i o n of Front and Rear Discharge
V a l v e Plate
FRONT HEAD
FRONT HEAD
^ ^ ^ ^ ^ P ^ ^ ^ ^ ^ ^
O - R I N G
•
F i g . 1A-40 I n s t a l l i n g Front Head Casing
9. Coat the inside machined surfaces of shell with
clean 525 viscosity Frigidaire o i l . Line up o i l sump
with o i l Intake tube hole and slide mechanism into
shell. Mintain this alignment when lowering mech­
anism into place (Fig. 1A-41).
3. Assemble front discharge valve plate, aligning
holes with dowel pins and proper openings i n head.
NOTE; The front discharge valve plate has a
large diameter hole in the center (Fig. 1A-39).
4. Remove o i l charging screw from compressor
shell, inspect for damage, d i r t or contamination,
clean and replace.
5. Coat sealing surfaces on webs of compressor
front head casting with clean 525 viscosity F r i g i ­
daire oil.
6. Examine location of dowel pins and contour of
webs (mark dowel location). Rotate so as to posi­
tion i t properly over discharge reed retainers. Use
care to avoid damaging sealing surfaces. When i n
proper alignment, seat on compressor front head
casting with light mallet taps (Fig. 1A-40).
7. If previously removed, place compressor shell
with J 9396 holding fixture In vise so shell is up.
NOTE: Examine corners of oil baffle to be sure
they do not damage 0-rings on reassembly. Tap
corners at oil baffle down carefully with small ball
peen hammer.
8. Apply an ample amount of clean 525 viscosity
Frigidaire o i l around angle groove at the lower edge
of casting. Coat large diameter head to shell O-ring
and assemble O-ring on shoulder of shell (at front
Fig. 1A-41).
10. Place an O-ring on the o i l pick-up tube, apply
o i l to cavity and O-ring. Insert tube and O-ring
(Fig. 1A-42), rotating compressor mechanism as
necessary and align tube with hole In the shell baffle.
Be sure O-ring and intake tube are properly seated.
COMPRESSOR
' SHELL
O - R I N G
OIL INTAKE
TUBE HOLE *
- J-9521
F i g . 1 A - 4 1 I n s t a l l i n g Mechanism Assembly