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Note (1)Float setting.(Dry)Float parting line parallel with floor of bowl.(Wet)Fuel level with bottom of sight plug hole. Note (2)Setting at full throttle.


Year Model
Or Type
Float Level (IN.) Fuel Level (IN.) Bowl Vent Valve(IN.) Pump
Travel
Setting
Choke
Setting
Unloader(IN.)
Choke
Setting
Housing
Idle Srew Turns Out ON
Air Bypass Turns Open
THE
Idle
Speed
(RPM)
....
TRUCK
Fast
Idle
Speed
(RPM)
ADJUSTMENTS
Dashpot
Plunger
Clearance
(IN.)
1971-72 2951109 1 1 ---- .015-.063 ---- ---- 1.0 ---- 500 ---- ----
1975-76 6771A 1 1 ---- .015(2) ---- ---- ---- ---- 700 ---- ----
1975-76 7138A 1 1 ---- .015(2) ---- ---- ---- ---- 700 ---- ----

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