Chevrolet 1988 Light Duty Truck Repair Manual page 54

1B2-12 DA-6 AIR CONDITIONING COMPRESSOR
Assemble cylinder and shaft assem bly over
the guide pins onto the rear head (28) (figure
34).
Using both hands, press the cylinder and shaft
assembly down into the rear head (28).
Im portant
• Center cylinder seal (22) is not serviceable.
7. Cylinder seal (15).
A. S u ction C rossover O penings
B. Through B olt H ole (6)
C. S u ctio n Port (3) in Valve Plate
D. D ischarge C rossover Port
E. D ischarge Ports (In Valve Plate)
Figure 32— Installing the Rear Valve Plate
21352-A
B-06731