Choke Coil Rod Adjustment - Chevrolet 10 1971 Series Chassis Service Manual

ENGINE FUEL 6M-4
GAUGE BETWEEN AIR
WALL AND LOWER EDGE OF
CHOKE VALVE
LIGHTLY ROTATE CHOKE
COIL LEVER COUNTERCLOCK-
ISE UNTIL TOP EDGE OF CAM
JUST TOUCHES TANG ON END
OF DIAPHRAGM PLUNGER
\ X _ y i O P E N PRIMARY THROTTLE
Fig. 9C— Vacuum Break Adjustment (4M V)
2. Rotate throttle lever to wide open throttle valve
position.
3. Bend unloader tang on throttle lever to obtain speci­
fied dimension between lower edge of choke plate
(at center) and air horn wall.
2GV (Fig. 11C)
With the throttle valves held wide open and the choke
valve held toward the closed position with a rubber band,
bend the unloader tang on the throttle lever to obtain
specified clearance between the upper edge of the choke
valve and air horn wall.

CHOKE COIL ROD ADJUSTMENT

M V (Fig. 12C)
1. Hold choke valve closed.
BEND TANG UP OR DOWN
DIAPHRAGM
PLUNGER MUST BE
FULLY SEATED
VALVES SO THAT FAST IDLE
CAM FOLLOWER CLEARS STEPS
ON FAST IDLE CAM
G A U G E BETW EEN
UPPER E D G E O F C H O K E
V ALV E A N D AIR H O R N
C A S T IN G
THROTTLE V A L V E S
W ID E O P E N
s BEN D T A N G
T O AD JUST
UN LOADER ADJUSTMENT
Fig. 11C— Choke Unloader (2G V)
Pull upward on coil rod to end of travel.
2.
3. Bottom of rod end which slides into hole in choke
lever should be even with top of hole.
4. Bend choke coil rod at point shown to adjust.
Fig. 12C— Choke C o il Rod Adjustment (M V )
10-30 CHEVROLET TRUCK SERVICE MANUAL