GMC 1976 ZEO 6083 Maintenance Manual page 359

Figure 18-Choke Housing
NOTE : It is not necessary to remove baffle plate
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 (figure 19). The complete choke
assembly can be removed from the float bowl by
sliding outward. Remove plastic tube seal from
choke housing. Remove lower choke lever from in-
side float bowl cavity by inverting bowl .
CAUTION :
Plastic tube seal should not be
immersed in carburetor cleaner.
3 . To disassemble intermediate choke shaft from
choke housing, remove coil lever retaining screw at
end of shaft inside the choke housing (figure 20).
Then remove thermostatic coil lever from flats on
intermediate choke shaft. Remove intermediate
choke shaft from the choke housing by sliding out-
ward . The fast idle cam can now be removed from
the intermediate choke shaft. See Figure 21 .
CAUTION :
Remove the cup seal from inside
choke housing shaft hole, ifthe housing is to
be immersed in carburetor cleaner. Also,
Figure 19-Choke Housing Attachment
ENGINE FUEL SYSTEM
6M- 1 7
Figure 20-Choke Coil Lever
remove the cup seal from the float bowl
plastic insert for bowl cleaning purposes.
Do not attempt to remove plastic insert.
DISASSEMBLY OF REMAINING FLOAT
BOWL PARTS
1. Remove fuel inlet nut, gasket and filter . See
Figure 22 .
2. Remove screws attaching throttle body to bowl
as shown in Figure 23 .
3. Remove throttle body to bowl insulator gasket.
See Figure 25 .
Figure 21-Choke Housing Sealing