Pontiac tempest 1968 Service Manual page 41

I A - 1 4
1968 P O N T I A C SERVICE MANUAL
COMPRESSOR CLUTCH COIL
AND HOUSING. ASSEMBLY
REMOVE A N D REPLACE—
PONTIAC, TEMPEST AND FIREBIRD
REMOVE
1. Remove hub and drive plate assembly.
2. Remove pulley and bearing assembly,
3. Remove electrical connection plug from ter­
minals on coil.
4. Note position of electrical terminals and scribe
location of coil housing terminals on compressor
body.
5. Use J 6435 (No. 26 Truarc pliers) and remove
coil housing retainer ring (Fig. 1A-13).
6
0
Remove coil housing assembly.
R E P L A C E
1. Position clutch coil on compressor front head
casting so electrical terminals are in their proper
location as previously scribed on compressor body.
NOTE: Make certain coil is properly seated on
dowels.
2. Replace the coil retainer ring with flat side of
ring facing coil, using J 6435 (No. 26 Truarc pliers).
3. Connect electrical connection.
4. Replace pulley and bearing assembly.
F i g . 1 A - 1 3 Removing C o i l Housing Retainer Ring
5. Replace hub and drive plate assembly, making
sure the proper tools are used to replace this as­
sembly. DO NOT drive or pound on hub assembly.
REMOVE COMPRESSOR ASSEMBLY
TO SERVICE ENGINE—PONTIAC AND TEMPEST
1. Disconnect compressor clutch coil ground wire
at compressor and wire connector at coil.
2. Remove compressor drive belt.
3. Remove compressor rear brace to cylinder
head brace bolt at compressor mounting bracket.
4. Remove compressor front plate to mounting
bracket upper bolts and lower adjusting bolt.
5. Remove compressor rear plate to mounting
bracket lower adjusting bolt.
6. Pad fender and fender skirt and place com­
pressor near top of fender skirt, securing com­
pressor to right fender brace (with wire, rope or
similar means).
CA UTION: Do not kink any hoses or place exces­
sive tension on the hose.
7. Replace by reversing the above procedure.
8. Tighten compressor belt to give 100-105 lbs.
indicated on the Burroughs Belt Tension Gauge.
COMPRESSOR SHAFT SEAL ASSEMBLY
REMOVE AND REPLACE
NOTE: When refrigeration system components
other than the compressor are replaced, the com­
pressor must be removed and oil drained from the
compressor if oil was sprayed in large amounts
due to leaks or broken shaft seal. See "Checking
Compressor Oil Level and Adding Oil".
REMOVE AND REPLACE SHAFT SEAL
NOTE: Compressor shaft seals, other than those
replaced during a compressor overhaul, are to be
replaced only on the basis of actual refrigerant
leakage as determined by test with a propane
torch type leak detector in good condition.
REMOVE
1. Depressurize refrigeration system.
2. Remove hub and drive plate assembly, and shaft
key.