Cadillac 60 Series 1963 Shop Manual page 268

FUEL A N D EXHAUST
10-33
2. Shut off engine and remove air cleaner.
3. Open throttle slightly. Set fast idle screw
on second highest step of fast idle cam against
shoulder of top step.
4. Start engine. Choke valve will be open be-
cause engine is fully warmed up.
5. Observe idle speed and adjust fast idle screw
to give 1700-1750 rpm with transmission in neutral.
Return engine to normal idle and install air cleaner.
NOTE: If stainless steel shim is not installed
with Carter carburetor, the engine will not idle,
see Note 20b.
6. Shut off engine.
f. Throttle Check Adjustment
NOTE: Allow engine to idle and make certain
that throttle check plunger is not in contact
with screw in throttle relay lever.
3. Let throttle snap shut and observe delay
caused by throttle check. If engine stalls, clear-
ance is too large. If engine races, clearance is
too small.
4. Adjust screw on relay lever accordingly. A
properly adjusted throttle check will not quite
cause the engine to stall during the above pro-
cedure. Clearance between throttle check plunger
and relay should be approximately .190 inch with
engine running.
NOTE: Do not perform this operation r e -
peatedly because transmission may become
overheated.
g. Idle Speed-Up Control Adjustment
1. Start engine and allow it to warm up.
2. Remove air cleaner.
3. Turn Air Conditioner " O n " .
1. Apply foot brake firmly with left foot. Place
transmission in "DR".
2. Open throttle wide momentarily to allow engine
manifold vacuum to drop off and throttle check
plunger to come out.
4. With selector shift lever in neutral position,
screw in idle speed-up unit plunger to maintain
an idle speed of 900-950 rpm.
5. Return engine to normal idle and shut off
engine. Install air cleaner.
TORQUE SPECIFICATIONS
Material
Number
286-M
Special
260-M
Special
286-M
Application
Carburetor to Intake Manifold Nuts
Fuel Tank Drain Plug
Fuel Pump to Crankcase Front Cover
Exhaust Pipe to Manifold Nuts
Muffler, Resonator & Exhaust Pipe Clamp Nuts .
Thread
Size
5/16-24
5/8-18
3/8-16 x 1-1/4
3/8-24
5/16-18
Foot-Pounds
14
28
15
33
20
NOTE: Refer to back of Manual, Page 17-1, for bolt and nut markings and steel classifications.