472—CHRYSLER C-300B CHRYSLER SERVICE MANUAL
control rod and throttle connector rod. Install 650 rpm. Install connector rod, adjusting length
connector rod studs and return springs. Start- so there is slight end play, and no binding with
ing with closed throttle valves, open each an both carburetors at idle. Attach throttle control
equal amount. Open all four mixture screws one rod, making sure it is adjusted so that carburet-
turn. Start engine and adjust speed and mix- or position is not disturbed,
ture as necessary to obtain an idle of 600 to
12.
FUEL AND EXHAUST SYSTEM—DATA AND SPECIFICATIONS
CARBURETOR C-300B
Make Carter
Type 4 Barrel Downdraft
Model (PowerFlite Transmission)
Front carburetor WCFB 2444S
Rear carburetor WCFB 2445S
Quantity Used 2
Nominal Size V/£ 4 Bore 4 Bolt
ADJUSTMENTS
Float Setting (casting to top of floats)
Primary %£'
Secondary %£'
Choke Rod .020"
Velocity Valve %"
Choke Unloader %"
Fast Idle .006 to .010"
Idle Speed .. 650 RPM
Idle Mixture (both screws, both carburetors) Approximately 1 full turn open-
Set for Best Idle
Accelerator Pump Long Stroke
CHOKE
Control Integral Automatic
Choke Setting Index Mark (Std. Setting)
SPECIAL TOOLS—Required for servicing the carburetor:
C3400 Stand, Carburetor Repair
T109-29 Gauge, Wire (.020")
T109-41 Bending Tool, Tang
T109-58 , Tool, Jet Removing
T109-166 Gauge, Choke Unloader (%")
T109-200 Gauge, Wire (Fast Idle) (.006 to .010")
T109-213 Bending Tool, Rod
T109-222 Gauge, Float Level (Primary) %"
T109-220 Gauge, Float Level (Secondary) %"
T109-242 ... Gauge, Velocity Valve
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