Cadillac 60 Series 1963 Shop Manual page 424

HEATING AND AIR CONDITIONING
13-43
Fig. 13-50 Removing Auction Crossover Cover
NOTE: Examine internal mechanism for any
obvious damage. If internal mechanism has
sustained major damage, due to loss of re-
frigerant or oil, it may be necessary to use
the service internal mechanism assembly rath-
er than replace individual parts.
39. Compressor Internal
Mechanism Disassembly
Use Parts Tray, J-9402, to retain compressor
parts during disassembly.
1. Remove internal mechanism from compres-
sor as described in Note 38.
2. Identify by a pencil mark, or some other
suitable means, each piston numbering them 1,
2, and 3, Fig.
in the front cyl
13-51. Number the piston bores
nder half in like manner so that
pistons can be replaced in their original locations.
3. Separate cylinder halves, using a wood block
and mallet, Fig. 13-52. Make certain that dis-
charge cross-over tube does not contact swash
plate when separating cylinder halves.
CAUTION: Under no circumstances should
shaft be struck at either end in an effort to
separate upper and lower cylinder halves.
4. Position complete internal mechanism, rear
cylinder down, on Support Block, J-9521, and
remove front cylinder half.
5. Pull up on compressor shaft and remove
piston previously identified as #1, with balls
and shoe discs, from swash plate.
Piston
Front
Cylinder Half
" — Support
Block J-9521
Fig. 13-51 Numbering Pistons and Cylinder Bores
6. Remove and discard piston shoe discs.
7. Remove and examine piston balls, and if
satisfactory for re-use, place balls in #1 com-
partment of Parts Tray.
8. Remove piston rings and examine for re-use.
If satisfactory, place in proper slots below #1
piston in Parts Tray.
9. Place piston in #1 compartment of Parts
Tray with notch in casting web at front end of
piston in dimpled groove of compartment, Fig.
13-53.
10. Repeat steps 5 through 9 for pistons #2
and #3.
11. Remove front combination of thrust races
and thrust bearing from shaft, Fig. 13-54. Dis-
card races and place bearing in front bearing
slot of Parts Tray.
Wood Block
Front Cylinder Half
Fig. 13-52 Driving Cylinder Halves Apart