GMC 1982 Light Duty Truck Service Manual page 138

ID -22 AIR CONDITIONING COMPRESSOR OVERHAUL
BUSHING
Fig. 1D-57 Installing O-Ring On A-6 Discharge Cross-Over Tube
FR O N T S U C TIO N
REED PLATE
Fig. 1D-58 Installing A-6 Front Suction Reed
DOWEL PINS
Fig. 1D-59 Installing A-6 Front Discharge Valve Plate
DISCHARGE
TUBE
PPORT BLO CK
J -2 1352 5062
FRONT
DISCHARGE
VALVE PLATE
ASSEMBLY
SUPPORT BLOCK
J-21352
5075
REAR DISCHARGE
VALVE PLATE
Fig. 1D-60 Front and Rear A-6 Discharge Valve Plates
Fig. 1D-61 Installing A-6 Front Head Casting
8. G enerously lubricate new O -ring and angled groove
at lower edge o f front head casting with 525 viscosity
refrigerant oil and install new O-ring into groove (Fig. 1D-
62).
9. Coat inside m achined surfaces of com pressor shell
with 525 viscosity refrigerant oil and position shell on
Internal Cylinder and Shaft Assembly, resting on J21352
support block.
10. Using flat-side of a small screwdriver, gently
position O -ring in around circum ference o f Internal
Cylinder and Shaft Assembly until C om pressor Shell slides
down over Internal Cylinder and Shaft Assembly. As shell
SUCTION
REED
LARGER
DIA. HOLE
FRONT DISCHARGE
VALVE PLATE
2 0 4 9 5 3
FRONT HEAD
CASTING
FRONT
DISCHARGE
VALVE PLATE
ASSEMBLY
SUPPORT BLOCK
J-21352
204967