20 FUEL—CARBURETION
There should be .008" to .013" clearance (Gauge T-109-
200) between the primary and secondary throttle positive
closing shoes with throttle valves closed. Adjust by bend-
ing primary shoe (Figs. 22 and 23).
FIGURE 22—Secondary Throttle Lever
(First) Adjustment
FIGURE 23—Secondary Throttle Lever
(Second) Adjustment
Lockout Adjustment
With choke wide open, hold throttle closed.
Close choke slowly ; the lockout step on secondary lock-
out-lever should freely engage tang on secondary throttle
lever. Adjust by bending tang
Figure 24—Secondary Throttle Lockout
Adjusstment
CARBURETOR SPECIFICATIONS
DIMENSIONS:
VENTS:
GASOLINE INTAKE
:LOW SPEED JET TUBE:
Flange Four Bore-4 bolt type.
Throttle bore 17A 6".
Primary venturi size, l%2" I.D.
Main venturi size, 1-3/16" I.D.
Outside, 4. Inside, 5.
Size No. 42 (.0935") drill hole in needle seat.
(Primary side only). Jet, size No. 68 (.031") drill.
By-Pass, in body, size No. 54 (.055") drill.
Economizer, in screw plug, size .0492" diameter.
Idle Bleed, in body, size .065" diameter.
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