Pressure Relief Valve Replacement - Chevrolet 1988 Light Duty Truck Repair Manual

1B4-8 DA-V5 AIR CONDITIONING COMPRESSOR
• Install J 8433-1 with J 33025 (figure 17).
• T ig h te n J 8 4 3 3 -3 fo rc in g s c re w a g a in s t
J 33025.
Inspect
• Clutch coil assembly (27). Replace as necessary.
0
Install or C on n ect (F ig u re s 4, 18, 19 and 20)
Tools Required:
J 8433-1 Puller Bar
J 33024 Clutch Coil Installer Adapter
1. Clutch coil assem bly (27) onto the front head (33)
w ith the te rm in a ls po sitio ne d at the " m a rke d "
location.
• J 33024 over the internal opening of the clutch
coil assem bly (27) (figure 18).
• J 8433-1 w ith th ro u g h bolts, w ashers and
forcing screw over J 33024.
• Be sure J 8433-1 and the clutch coil assembly
(27) stay " in line" during installation.
• When the clutch coil assembly (27) is seated
on the front head (33), use a 3 mm (Vs-inch)
diameter drift punch to stake the head (33) at 3
places, 120 degrees apart to assure the clutch
coil assembly (27) remains in position (figure
19).
— Stake size should be one half the area of
th e p u n c h
(0.010-0.015-inch) deep (figure 20).
2. Pulley (24).
3. Clutch plate and hub assem bly (22).
tip a n d 0 .2 8 -0 .3 5 mm
PRESSURE RELIEF VALVE
REPLACEMENT
|<--»| R em o ve or D isco nn ect (F ig u res 3 and 4)
• Be sure the com pressor has no charge.
1. Pressure relief valve (2).
2. O-ring seal (46).
27. C lu tc h C o il A s s e m b ly
A. D rift P u n ch 3 m m (1/s in ch )
B. S ta k e in F ro n t H ead (3 P laces)
Figure 19— Staking the Clutch Coil to the Front Head
F-04570