Discharge Value Plate And/Or Retainer R Eplacem Ent - Chevrolet 1988 Light Duty Truck Repair Manual

c.
A lte rna tely T ighten
the Screws 1 /4 Turn
D.
Tool Step C on ta cts
the C om pre ssor
Shell
19
19. Seal
J 25008-A
Figure 24 — Removing the Shell
of the shell to cylinder seals. Do not turn the
screws any further than necessary to release
the shell.
Remove J 25008-A from the compressor.
Reverse J 25008-A to hold the com pressor by
the o p p o s ite sid e u sin g th e c o m p re s s o r
short-length screws with metric threads.
131
C lean
Remove dirt and lint from the shell.
Inspect
• The shell for cracks or burrs that may
damage the seals.
|+<-| Install or C on n ect (F ig u re s 1, 23 and 25)
1
. Seals (19) to the front and rear of the shell (18).
• Dip the seals (o-rings) in clean 525 viscosity
refrigerant oil before installing.
• Coat the seal grooves with clean 525 viscosity
refrigerant oil.
2. Shell (18) to the cylinder (22) with J 25008-A (figure
25).
• R otate the re ta in in g stra p to its o rig in a l
location.
• A lternately tighten each bolt
the shell over the seals.
• If one screw requires more force to turn than
the other, imm ediately turn the other screw to
bring the screw threading sequence in-step or
the shell w ill be cocked and m ade more
difficult to install. Normal installation does not
require much force on the wrench if the screws
are kept in-step while turning.
3. Retaining strap (32).
• After seating the shell against the stop, bend
the strap into place.
4. Rotor (5) and bearing (
and pulley rim with J 26271-A.
5. C lutch drive hub (3).
R-4 AIR CONDITIONING COMPRESSOR 1B3-11
F-01467
1 / 4 -turn to push
6
) assembly, clutch coil (7)
DISCHARGE VALVE PLATE
AND/OR RETAINER
REPLACEMENT
R em ove or D is co n n e ct (F ig u res 1, 26 and 27)
Tools Required:
J 4245 Snap Ring Pliers
J 2 5 0 0 8 -A C o m p re s s o r S h e ll R e m o ve r,
Installer and Holding Fixture
1. Clutch drive hub (3).
2. Rotor (5) and bearing ( 6 ) assembly.
3. Com pressor shell (18).
4. Retainer ring (30) with J 4245 (figure 26).
5. Valve plate (31) (figure 27).
Install or C o n n ec t (F ig u res 1, 26 and 27)
1. Valve (31).
2. Retainer ring (30) with J 4245.
3. Shell (18).
4. Rotor (5) and bearing ( 6 ).