Choke Stat Lever Adjustment; Choke Link And Fast Idle Cam Adjustment - GMC G Service Manual

® Loosen set screw .
(2a)Turn Spring Fulcrum
Pin Q
open.
(2tj)Turn pin Q until Air Valves
close, then additional turns
specified.
3
( ) Tighten set screw.
(4) Apply Lithium grease to spring
contact area.
3. Tighten the set screw.
4. Apply lithium grease to the spring contact area.

CHOKE STAT LEVER ADJUSTMENT

Tool Required:
J 9789-111 Linkage Bending Tool
1. Drill out and remove the choke cover attaching rivets.
Remove choke cover and stat assembly (figure 38).
2. Place fast idle cam on high step against the cam
follower lever.
3. Push up on the choke stat lever to close the choke
valve.
until Air Valves (§)
Figure 37 — Air Valve Return Spring Adjustment
CARBURETORS 6C1-33
4. Check the stat lever for correct orientation by insert­
ing a 0.120-inch plug gage in the choke housing hole.
• The gage should fit in the hole and touch the
edge of the lever.
5. Adjust, if necessary, by bending the choke link with
J 9789-111.
CHOKE LINK AND FAST IDLE
CAM ADJUSTMENT
Tool Required:
J 26701-A Choke Valve Angle Gage
1. Attach a rubber band to the vacuum break lever of the
intermediate choke shaft (figures 39 and 40).
F-01927