Cadillac 60 Series 1963 Shop Manual page 265

10-30
FUEL A N D EXHAUST
f. Accelerator Pump Adjustment
(Figs. 10-44 and 10-45)
1. Be sure that throttle valves are fully closed
against their bores.
2. Distance from top of bowl cover to top
of plunger shaft should be 15/32 inch as meas-
ured with 15/32 inch Gage, J-7712-3, Fig. 10-44.
3. If adjustment is required, carefully bend
throttle connector rod at lower angle, using Bend-
ing Tool, J-1137, Fig. 10-45.
g. Fast Idle and Choke Connector
Rod Adjustment (Fig. 10-46)
1. Turn carburetor upside down and align fast
idle screw with second step on fast idle cam.
2. Insert .022 inch Wire Gage, J-7712-6, in
primary throttle bore opposite idle adjusting
screws.
3. Turn fast idle screw until screw just touches
fast idle cam.
4. With carburetor right side up and choke valve
fully closed and choke lever and arm in contact,
adjust fast idle connector rod to align second
step of cam with center of fast idle screw.
h. Choke Unloader Adjustment
(Fig. 10-47)
1. Rotate primary throttle to full open position.
2. Insert .281 inch Gage, J-7712-7, between upper
edge of choke valve and inner wall of bowl cover
assembly. Choke valve should give a slight drag
on gage under finger pressure.
.022 Wire Gage
Tool J-7712
28V Gage ,
Tool J-7712 .
Fig. 10-47 Choke Unloader Adjustment
3. If adjustment is required, bend unloader lip
on throttle lever, using Bending Tool, J-1137.
i. Secondary Throttle Lever Adjustment
(Figs. 10-48 and 10-49)
1. Fully open primary and secondary throttle
valves. In this position, stop lugs on primary and
secondary throttle levers should contact boss on
flange.
2. If adjustment is required, bend secondary
actuating rod.
3. Fully close primary and secondary throttle
valves.
4. With the primary and secondary throttle valves
closed, there should be .020 inch clearance between
positive closing shoes on primary and secondary
throttle levers. Check clearance, using .020 inch
Gage, J-7712-8.
Fig. 10-46 Fast Idle Adjustment
Fig. 10-48 Secondary Throttle Lever Adjustment