Chevrolet 1977 10 Series, Руководство по ремонту, Страница: 215 / 468

CARBURETOR
6C-21
Fig. 6 C -5 7 --A ir H orn S c re w T ig h te n in g S e q u e n ce
end tighten securely. W ork air valves up and down several
times to make sure they are free in all positions.
Fig. 6C -58--lnstalling Pump Lever Pivot Pin
Fig. 6 C -5 9 --C h o k e Lever and H o u sin g
6. Connect check rod into lower choke lever inside bowl
cavity; they install choke rod into slot in upper choke lever
and retain the choke lever to the end of the choke shaft with
attaching screw. Tighten securely. W hen properly installed,
the lever will point to the rear of the carburetor and the
num ber on the lever will face outw ard (Fig. 6C-59).
Make sure th at the flats on the end of the choke shaft
align with flats in the choke lever.
The front and rear vacuum break units, fast idle cam
(choke rod), and inside therm ostatic choke coil lever must
be adjusted properly before installing the choke therm ostatic
coil and cover assembly and gasket. Refer to the Adjustm ent
Procedures, in Service Section.
7. A fter the vacuum break, fast idle cam (choke rod),
and inside therm ostatic coil lever are adjusted, the
therm ostatic coil and cover, and gasket on hot air choke
model, should be installed and the cover assembly rotated
until the choke valve just closes.
On all models (except 454 V8), tang on therm ostatic coil
must be installed in slot in inside choke coil lever pick-up
arm. On M 4M E electric choke model, coil tang contacts
bottom side of inside choke coil lever pick-up arm.
CAUTION:
On M 4M E electric choke model, do
not install a choke cover gasket between the electric
choke assembly and the choke housing.
Align index point on cover with specified m ark on
housing as shown on adjustm ent chart.
Install three choke cover retainers and screws and
tighten securely.
8. A fter making vacuum break adjustment, install
vacuum break hose.
9. If used, position and retain solenoid and bracket
assembly.