chevrolet truck Light Duty Truck 1994 Series, Руководство по ремонту

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Fig. 17 Installing Clutch Coil Assembly
Install or Connect
1. P lace the clutch coil assem bly on the front head with the
term inals positioned at the “m arked” location.
2. P lace the J 33024 clutch coil installer over the internal
opening o f the clutch coil housing and align installer
w ith the com pressor front head.
3. C enter the J 8433-1 puller crossbar in the countersunk
center hole o f the J 33024 clutch coil installer. Install the
J 3 4 9 9 2 -2 through bolts and w ashers through the
crossbar slots and thread them , into the holding fixture
J 34992 to full fixture thickness (Fig. 17).
4. Turn the center forcing screw o f the J 8433-1 puller
crossbar to force the clutch coil onto the front head. Be
sure clutch coil and J 33024 installer stay “in-line”
during installation.
5. W hen coil is fully seated on the front head, use a 1/8"
diam eter drift punch and stake the front head at three (3)
places 120° apart (Fig. 18), to ensure clutch coil
rem aining in position.
• Stake size should be only one h alf the area o f the
punch tip and only approxim ately 0 .2 8 -0 .35mm
( .0 1 0 -.0 1 5 " ) deep (Fig. 19).
6. Install rotor and bearing assem bly and the clutch plate
and hub assem bly according as described previously.
MAJOR V5 COMPRESSOR REPAIR
PROCEDURES
W hen replacing the shaft seal assem bly (Fig. 20),
pressure relief valve or rear head m ounted pressure sw itches
(Fig. 21), even if the com pressor rem ains on the vehicle during
the operation, it will be necessary to discharge the system o f
refrigerant.
O ther than clutch repair procedures, the sam e holds true
for any disassem bly o f the com pressor.
A clean w orkbench covered w ith a sheet o f clean paper,
and a place (clean trays, etc.) for all parts being rem oved and
replaced is im portant, as is the use o f the proper, clean service
tools.
NOTICE:
A ny attem pt to use m akeshift or
inadequate service tools or equipm ent m ay result in
dam age and/or im proper com pressor operation.
1- C L U T C H C O IL
2 - D R I F T PUNCH
3 - S T A K E IN F R O N T
H E A D (3 PLACES)
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Fig. 18 Staking Clutch Coil To Front Head
COMPRESSOR SHAFT SEAL
REPLACEMENT
Seal Leak Detection
A shaft seal should not be changed because o f small
am ounts o f oil found on an adjacent surface. The seal is
designed to leak som e oil for lubrication purposes. A shaft seal
should be changed only w hen a large am ount o f sprayed oil is
found, and only after actual refrigerant leakage is found by
using an approved leak detection procedure.
1 - J 8433-3 SCREW
2 - J 8433 PULLER CROSS BAR
3 - J 33024 CLUTCH COIL INSTALLER
4 - CLUTCH COIL ASSEMBLY
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