Cadillac 60 Series 1963 Shop Manual page 431

13-50
HEATING AND AIR CONDITIONING
*
Shaft ^
1
j
• !•:>_.• J
hi
If ¥
p r ^ ^ Front
r^ Head Casting
3^T" Front
"Jm. Discharge Valve
i f M Plate Assembly
II.
.•p-r-"™*--*Support Block
Fig. 13-70 Installing Front Head Casting
19. Position outer oil pump gear over inner
gear with previously applied identification mark
up and, when standing facing oil sump, position
outer gear so that it meshes with inner gear at the
9 o'clock position and cavity between gear teeth is
at 3 o'clock position, Fig. 13-74.
20. Generously oil rear discharge valve plate
assembly around outer edge where large diameter
O-ring will be placed. Oil valve reeds, pump
gears, and area where teflon sealing surface will
contact rear discharge valve plate.
Front Head
O-Ring
{Support;
Block J-9521,
Oil Sump
Compressor
Shell
O - Ring
Support
Block J-9521
Oil Intake
Tube Hole
Fig. 13-72 Installing Compressor Shell
on Internal Mechanism
21. Lubricate new head-to-shell O-ring and
install on rear discharge valve plate, in contact
with shell.
22. Install suction screen in rear head casting,
using care not to damage screen.
23. Coat teflon sealing surface on webs of com-
pressor rear head casting with 525 refrigeration
oil.
24. Install rear head assembly over studs on
compressor shell. The two lower threaded com-
pressor mounting holes should be in alignment
with the compressor sump. Make certain that
suction screen does not drop out of place when
lowering rear head into position.
Fig. 13-71 Front Head O-Ring Installed Fig. 13-73 Installing Oil Pick-Up Tube