Chevrolet 1988 Light Duty Truck Repair Manual page 83

• Dip the shaft lip seal in clean 525 viscosity
refrigerant oil and install the shaft lip seal on
J 23128-A.
• Bottom the shaft lip seal into the com pressor
neck area using J 23128-A.
4. Shaft seal retainer ring using J 5403 (figure 21).
• Install the flat side of the shaft seal retainer
ring against the lip seal.
• Remove J 34614.
Im p o rtan t
• Leak test the compressor.
• Refer to " Leak Testing."
C lean
• Shaft (38) and inside the com pressor neck
area.
5. Clutch plate and hub assembly (22).
FRONT HEAD SEAL, REAR
HEAD GASKET, REAR VALVE
PLATE, SUCTION REED PLATE
AND REAR HEAD SEAL
REPLACEMENT
R em o ve or D isco nn ect (F ig u res 4 and 26)
Clutch drive and hub assem bly (22).
Pulley (26) and bearing (25).
Clutch coil assem bly (27).
Shaft seal (29).
Through bolts (31).
Front head (33) from the shaft and cylinder body
(38).
• Using a wood block, tap around the edge of
the front head (33) to remove.
Rear head (43), head gasket (42), rear valve plate
(41), suction reed plate and cylinder-to-rear head
seal (39).
• Using a wood block, tap around the edge of
the rear head to remove (figure 26).
DA-V5 AIR CONDITIONING COMPRESSOR 1B4-11
10
11
Figure 26— Tapping the Front or Rear Head Free
of the Cylinder
Install or C o n n ec t (F ig u res 4, 27 and 28)
Tools Required:
J 9625-A Pressure Test Set with Schrader
Valve
J 33016 C ylinder A lignm ent Rods
J 35372 Support Block
Use new seals and gaskets.
Place the rear head on J 35372 with the control
valve (5) facing the technician.
C ylinder A lignm ent Rods J 33016 in the mounting
hole facing the technician and at the upper left
position (figure 27).
Gasket (42) (figure 28).
• Place the elongated hole in the gasket over
the rod at the upper left position.
Rear valve plate (41).
• Place the elongated hole in the valve plate
over the rod at the upper left position.
Suction reed plate (40).
• Place the elongated hole in the plate over the
rod at the upper left position.
• Remove J 33016 C ylinder A lignm ent Rod from
the hole facing the technician.
Seals (39 and 37) to the shaft and cylinder body
grooves (38).
• Dip the seals into 525 viscosity refrigerant oil.
Shaft and cylinder body (38) to the rear head (43).
• Locate the relief boss at the rod in the hole at
the upper left position.
Belleville washer (35) and washers (36).
Shim (34).
Front head (33).
• Locate the relief boss at the pin in the hole at
the upper left position.
• Remove J 33016 Cylinder A lignm ent Rod from
the hole at the upper left position.
Through bolts (31) and gaskets (32).
.
T ig h ten
• Bolts (31) alternately to 9 N m (80 in. lbs.).
R efrigerant oil to the compressor.
.