Cadillac 60 Series 1963 Shop Manual page 425

13-44
HEATING AND AIR CONDITIONING
.,. .;...Front End;. ..
s
* of Piston'
Fig. 13-53 Compressor Piston
12. Remove shaft assembly from rear cylinder
half. It may be necessary to end discharge
cross-over tube slightly in order to remove
shaft.
tube in internal mechanism assemblies that
have been previously serviced have an O-ring
and bushing at each end of the tube, and can
be easily removed by hand.
16. Examine piston bores and needle bearings
in front and rear cylinder halves. Replace front
and rear cylinders if any cylinder bore is deeply
scored or damaged.
17. Needle bearings may be removed if nec-
essary, by driving them out with special Thin
Wall Socket, J-9399. Insert socket in hub end
(inner side) of cylinder head and drive bearing
out. To install needle bearing, place cylinder
half on Support Block, hub end down, and insert
bearing in end of cylinder head with bearing iden-
tification marks up. Use Needle Bearing In-
staller, J-9432, and drive bearing into cylinder
head, Fig. 13-55, until tool bottoms on cylinder
face.
13. Remove rear combination of thrust races
and bearing from shaft. Discard races and place
bearing in rear bearing slot in Parts Tray.
14. Examine surface of swash plate and shaft.
Replace as an assembly, if necessary. Examine
front and rear thrust bearings and replace if
necessary.
NOTE: A certain amount of shoe disc wear
on swash plate is normal as well as some
markings indicating load of needle bearings
on shaft.
15. Remove discharge cross-over tube from
cylinder half, using vise grip pliers.
NOTE: This is necessary on original factory
equipment only as ends of the tube are swedged
into cylinder halves. The discharge cross-over
18. Wash all parts to be re-used with tri-
chlorethylene, alcohol, or a similar solvent. Air
dry parts using a source of clean dry air.
40. Compressor Internal Mechanism
Gaging Operation
1. Install Compressing Fixture, J-9397, on
Holding Fixture, J-9396, in vise. Place front
cylinder half in Compressing Fixture, flat side
down.
2. Secure from service parts stock, four zero
thrust races and three zero shoe discs.
3. Install a zero thrust race, thrust bearing,
and a second zero thrust race on front end of
compressor shaft. Lubricate races and bearing
with petrolatum.
Needle Bearing «•<
Needle Bearing
Installer J-9432
Cylinder
Head
Support
Block J-9521
Fig. 13-54 Removing front Thrust Races and Thrust Bearing
Fig. 13-55 Installing Needle Bearing