Cadillac 60 Series 1963 Shop Manual page 253

10-18 FUEL AND EXHAUST
6. Invert cover and install screen on primary
and secondary needle seats. Install needle seats
and gaskets in their respective holes.
7. If removed, install power piston and spring,
being careful not to damage vacuum assist spring
and cup retainer. Re-stake lightly.
8. Install new bowl cover gasket.
9. Secure needles to floats with clips and in-
stall float assemblies using hinge pins.
NOTE: Balance spring must be installed
so as to assist closing the needle. Spring must
be between float tang and needle seat.
e. Float Level Adjustment Primary
Side (Figs. 10-17 and 10-18)
1. All float level adjustments should be made
with bowl cover gasket in place.
2. With bowl cover inverted, center Float Level
Gage, J-7714-1, on face of cover and position
under heel of primary floats.
3. With gage held vertical, lower surface of
each float should just touch gage. This dimension
is 15/64 inch and is not measured to the seam.
4. If necessary to adjust, bend float arm at
center with Bending Tool, J-7182-2, Fig. 10-18.
Use caution to prevent bending power piston
stem.
5. Slide float gage to toe of primary floats.
Lower surface of each float should just touch
gage.
6. If adjustment is necessary at either float,
carefully bend float arm as required. Lower
Floats Should Be Centered In Gage
Gage J-7714-1
Gasket
\
Lower Surface Of Floats
Should Just Touch Gage
Primary Floats
Bending Tool
J-7182-2
Fig. 10-18 Bending Primary Float Arm
surface of each float should be parallel with
cover casting. Recheck float level.
f. Float Alignment—Primary Side
(Fig. 10-17)
1. Hold gage, J-7714-1, vertical under float
and centered with bowl cover casting.
2. Float should be centered in cutout portion
of gage.
3. If adjustment is necessary, bend float arms
horizontally as required. Slide float assembly
from side to side on hinge pin to make sure
floats do not touch gage. Recheck float level -if
float alignment is necessary.
g. Vacuum Assist Spring Adjustment
(Figs.l0-19 and 10-20)
This adjustment will affect fuel level in the
bowl because the spring tension varies the fuel
level.
1. Hold bowl cover so floats are hanging down.
2. Hold power piston in full up position by
placing thumb nail at brass portion of power
piston, Fig. 10-19.
Power Piston
Held In Up Position
,1-3/32" Leg Of
Gage J-7714-1
Fig. -10-17 Float Level Adjustment - Primary
Fig. 10-19 Vacuum Assist Spring Adjustment