increased pressure from the percolation in conventional units often times
forces the fuel from the pump
system into the engine.
new carburetor has a ball type check valve built into the plunger head.
As a consequence, any fuel percolation
in the pump system by-passes the ball and allows the fuel to circulate back
into the float bowl rather than into the engine.
the service mechanic a unit which can be serviced quickly and economically
is advantageous to both the
customer and himself. The Model "B" Carburetor has been designed with simplicity
of construction and a maximum ease of service.
this new carburetor both the Idle Tube and Pump Jet are pressed into the
Cover Passage at the factory
and need never be replaced or serviced.
to the eye and clean for service is the external view of the Model "B" Carburetor,
for there are no external rods
to adjust, bend or become distorted.
many instances, the entire unit will not have to be removed from the engine.
All of the main metering parts
are in the Cover Assembly. By the simple removal of the four cover screws,
it is possible to service or inspect the Float, Float Valve Assembly, Main
Well Support Assembly
and the Power Valve Assembly.
require time, both for the customer and the mechanic. The new Model "B"
Carburetor with its fixed type main metering jet does not require any adjustments
for the part throttle or power
Carburetion is dependent upon both compression and ignition, the carburetor
should always be adjusted last in engine tune-up. The fuel systems within
the carburetor are basically simple
and can be readily traced and understood.