Table of Contents
Advertisement
6C-62
1977 PONTIAC SERVICE MANUAL
Fig. 6C-1 15 Removing Needle Seat
8. Remove float assembly and float needle by pulling up
on retaining pin. Remove float needle seat and gasket, using
seat remover J-22769 (Fig. 6C- 1 15).
9. Remove aneroid cavity insert from float bowl.
10. Remove primary main metering jets, only if
necessary.
NOTE: No attempt should be made to remove the
secondary metering jets (metering orifice plates). These
jets are fixed and, if damaged, bowl replacement is
required.
11. Remove pump discharge check ball retainer and
check ball (Fig. 6C- 1 16).
12. Remove secondary air baffle, if replacement is
required.
13. Remove pump well fill slot baffle.
14. Remove hose from rear vacuum break control
assembly. Remove two screws from rear vacuum break
bracket and rotate the assembly to remove vacuum break rod
from slot in plunger head.
CAUTION: Do not place vacuum break assembly
in carburetor cleaner.
15. Remove vacuum break rod by holding down on fast
idle cam (hot idle position); move end of vacuum break rod
away from float bowl; then disengage rod from hole in
intermediate choke lever.
Choke
1. Remove three attaching screws and retainers from
choke cover and coil assembly. Then pull straight outward
and remove cover and choke assembly from choke housing.
Remove choke cover gasket. Do not remove baffle plate from
beneath the thermostatic coil. Distortion of the thermostatic
coil may result if forced off the center retaining post on the
choke cover.
2. Remove choke housing assembly from float bowl by
removing retaining screw and washer inside the choke
housing (Fig. 6C-117). The complete choke assembly can be
removed from the float bowl by sliding outward.
Fig. 6C-1 1 6 Remove Pump Discharge Retainer and
Ball
3. Remove secondarv throttle valve lockout lever from
float bowl (Fig. 6C- 1 17).-
4. Remove lower choke lever from inside float bowl
cavity by inverting bowl.
5. Remove plastic tube seal from choke housing (Fig.
6C- 1 17).
Fig. 6C-1 17 Choke Housing
CAUTION: Plastic tube seal should not be
immersed in carburetor cleaner.
6. To disassemble intermediate choke shaft from choke
housing, remove coil lever retaining screw at end of shaft
inside the choke housing Then remove thermostatic coil lever
from flats on intermediate choke shaft. Remove intermediate
choke shaft from the choke housing by sliding outward. The
fast idle cam can now be removed from the intermediate
choke shaft.
CAUTION: Remove the cup seal from inside
choke housing shaft hole
if
the housing is to be
immersed in carburetor cleaner. Also, remove the
Advertisement
Table of Contents
