Assemble With New Parts; Measuring For Proper Thrust Race; Installing Service Discharge Crossover; Installing Service Discharge Crossover Parts - Pontiac Grand Prix Service Manual

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PONTIAC SERVICE MANUAL
Fig. 1A-36 Measuring for Proper Thrust Race
clearance, it is likely that the mechanism assembly will
be too tight. This may result in galling and seizure of
parts.
Therefore, it is very important that care be used during
gauging operations and the proper selection of parts
be made. Once selection has been made, be sure that
they are assembled into the correct position in the
mechanism.
e. Mark the package "REAR" thrust race or place it in
J 9402 assembly parts tray corresponding to this
position.
Fig.
1A-37
Installing Service Discharge Crossover
Tube
16. Loosen and remove nuts and ring from J 9397
compressing furture.
17. Separate cylinder halves (it may be necessary to
use a fiber block and mallet).
18. Remove rear half cylinder.
19. Carefully remove one piston at a time from swash
plate and front half cylinder. Do not lose relationship
or position of front ball and shoe and rear ball only.
Transfer each piston, balls and shoe assembly to its
proper place in the J 9402 assembly tray.
20. Remove REAR outer ZERO thrust race from shaft
and replace it with numbered thrust race, determined
in step No. 15. Apply a LIGHT smear of petrolatum to
thrust races to aid in holding them in place during
assembly.
NOTE: This ZERO thrust race may be put aside for
reuse in additional gauging andor rebuild operations.
21. Apply a light smear of petrolatum to numbered
shoes and place them over correct ball in rear of
piston.
ASSEMBLE WITH NEW PARTS
Be sure to install all new seals, gaskets and O-rings.
These are all included in the compressor gasket kit.
1. Assemble a piston ring, scraper groove toward the
center of piston, to each end of three pistons.
2. Place front half cylinder on J 9397 compressing
fvrture with compressor main shaft (threaded end)
projecting downward through the furture. Rotate
swash plate so high point is above cylinder base No. 1.
With open end of ring toward center of compressor,
carefully assembly No. 1 piston (complete with ball
and a ZERO shoe on .front end and ball and
numbered shoe on REAR end) over swash plate.
Compress and enter piston ring into front half
cylinder. Repeat this operation for pistons No. 2 and
No. 3.
Fig.
1A-38
Installing Service Discharge Crossover
Parts