Installing Oil Intake (Pick-Up) Tube; Positioning Oil Pump Outer Gear - Pontiac Grand Prix Service Manual

1A-26
1369 PONTIAC SERVICE MANUAL
Fig. 1A-42 Installing Oil Intake (Pick-Up) Tube
3. Assemble front discharge valve plate, aligning holes
with dowel pins and proper openings in head.
NOTE: The front discharge valve plate has a large
diameter hole in the center (Fig. 1A-39).
4. Remove oil charging screw from compressor shell,
inspect for damage, dirt or contamination, clean and
replace.
5. Coat sealing surfaces on webs of compressor front
head casting with clean 525 viscosity Frigidaire oil, or
equivalent.
6. Examine location of dowel pins and contour of webs
(mark dowel location). Rotate so as to position it
properly over discharge reed retainers. Use care to
avoid damaging sealing surfaces. When in 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 O-rings on reassembly. Tap corners at oil
baff2e down carefully with small ball peen hammer.
8. Apply an ample amount of clean 525 viscosity
Frigidaire oil, or equivalent, 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).
9 . Coat the inside machined surfaces of shell with clean
525 viscosity Frigidaire oil, or equivalent. Line up oil
sump with oil intake tube hole and slide mechanism into
shell. Maintain this alignment when lowering mechanism
,
.
into place (Fig. 1A-41).
10. Place an O-ring on the oil pick-up tube, apply oil
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 baflle. Be sure O-ring
and intake tube are properly seated.
11. Replace split dowel pins (in rear cylinder) if
previously removed.
NOTE:
A
rod drilled
1/4"
deep to O.D. OF DOWEL
PINS will aid in installing pins.
12. Install service discharge crossover pipe rear O-ring
and spacer.
13. Position rear suction reed valve to align with dowel
pins, reed tips, and ports in head.
14. Position rear discharge valve assembly to align
with dowel pins and ports and slide it into place over
pins.
15. Position rear head casting to align with dowel pins.
Rotate mechanism assembly back and fonh by hand,
if necessary, to permit this alignment and assure
proper seating of front head cylinder assembly.
Remove rear head from this trial assembly.
16. Assemble inner oil pump gear over
"D"
shaped
flat on shaft. Place outer oil pump gear over inner oil
Pump gear-
NOTE: Before attempting the final assembly of the rear
head casting, position outer gear as follows:
a. Observe position of oil pump in shell.
b. Note position of pump race in head.
Fig. 1A-43 Positioning Oil Pump Outer Gear
c. Align pump with head and install head (Fig. 1A-44).