Cadillac 60 Series 1963 Shop Manual page 442

HEATING AND AIR CONDITIONING
13-61
NOTE: Do not uncap new assembly until it
is clamped in position as it will quickly absorb
moisture from the air and decrease its ef-
ficiency or render it completely useless. Keep
it capped at all times.
1. Install refrigeration oil as described in
Note 25.
2. Install dehydrator on support bracket on
condenser, and secure with two bolts.
3. Connect high pressure liquid line to outlet
side of sight glass.
4. Connect condenser pipe to inlet side of sight
glass.
5. Evacuate system as described in Note 21.
6. Charge system with refrigerant as described
in Note 23, and leak test dehydrator and sight
glass connections.
7. Check operation of system.
62. Condenser Removal and
Installation
a. Removal
1. Purge system as described in Note 19.
2. Disconnect high pressure liquid line at outlet
side of sight glass.
3. Disconnect high pressure vapor line at top
right side of condenser.
4. Remove six bolts and r e m o v e cradle
support-to-lock pilot bracket. Remove Eldorado
horn, if present.
5. Remove four bolts securing condenser to
rubber sheer mounts on radiator cradle, and
remove condenser and dehydrator-receiver.
6. Disconnect condenser pipe at inlet side of
sight glass.
7. Remove two bolts securing dehydrator to
support bracket and remove dehydrator from
condenser. Cap fittings if original dehydrator is
to be installed.
8. Remove and discard all O-rings.
b. Installation
1. Add refrigeration oil as described in Note 25.
2. Install dehydrator on support bracket on
condenser and secure with two bolts.
3. Connect condenser pipe to inlet side of sight
glass using new O-ring.
4. Position condenser to rubber sheer mounts
on radiator cradle and secure with four bolts.
5. Install cradle support-to-lock pilot bracket
and secure with six bolts. Install Eldorado horn,
if present.
6. Connect high pressure vapor line to top right
side of condenser using new O-ring.
7. Connect high pressure liquid line to outlet
side of sight glass, using new O-ring.
8. Evacuate system as described in Note 21.
9. Charge system with refrigerant as described
in Note 23, and leak test condenser and dehydrator
fittings.
10. Check operation of system.
TORQUE SPECIFICATIONS-METAL TUBING
Metal
Tube O.D.
In Inches
1/4
3/8
1/2
5/8
3/4
Thread and
Fitting Side
In Inches
7/16
5/8
3/4
7/8
1-1/16
Steel Tubing
Torque
Ft. Lbs.*
15
35
35
35
35
Aluminum Or
Copper Tubing
Torque
Ft. Lbs.*
7
13
13
21
28
Normal
Torque Wrench
Span
In Inches
5/8
3/4
7/8
1-1/16
1-1/4
*Torque taken with crow foot attachment at a 90° angle on torque wrench.