Chevrolet 1988 Light Duty Truck Repair Manual page 36

1B1-20 A-6 AIR CONDITIONING COMPRESSOR
Figure 45— Installing the Front Discharge Valve
Plate
Figure 47— Installing the Front Head Seal
Im p o rtan t
• Do not let the sealing area around the
center bore of the head touch the shaft
as the head is lowered.
• Do not rotate the front head (16) to line
up with the dowel pins because this will
contact the reed container.
14. Seal (17) to the front head (16) (figure 47).
• Lubricate the seal (17) and groove with clean
525 viscosity refrigerant oil.
15. Shell (9) to the internal assem bly (figure 48).
• Coat the inside of the shell (9) with clean 525
viscosity refrigerant oil.
• Position the shell (9) on the internal assembly.
Rest the shell (9) on the seal.
• W ith the flat side of a small screwdriver, posi­
tion the seal (17) in a round, circle shape to the
inside of the shell (9).
• Slide the shell (9) down. Line up the oil sump
with the oil intake tube hole.
16. New dowel pins (20) to the rear cylinder half.
• Remove J 21352.
• Install the com pressor into J 9396.
17. Seal (43) to oil pick-up tube (44).
18. Oil pick-up tube (44) to the com pressor (figure 49).
• Lubricate the oil pick-up tube (44) with clean
525 viscosity refrigerant oil.
• Place the oil pick-up tube (44) in the cavity.
• Rotate the com pressor assem bly to align the
tube (44) with the hole in the shell baffle.