6
SERVICE HINTS
Be certain both diaphragms are installed correctly -
the
pump diaphragm next to the metering body, then the
gasket – the main diaphragm gasket, then the main
diaphragm. Evenly tighten all screws to insure
complete
seal.
When reassembling the inlet control lever and spring,
care should be taken to see that the spring rests in
the well of the metering body and locates on the
dimple of the inlet control lever (as illustrated above).
CAUTION: Do not stretch spring. Inlet control lever is
properly set when flush with the floor of the
diaphragm chamber. If diaphragm end of control
lever is low, pry up. If lever is high, depress
diaphragm end and push on needle for proper
adjustment. (See illustration). On some models the
inlet control lever is hooked to both the inlet needle at
one end and the metering diaphragm at the other. On
other models the inlet lever is hooked to the inlet
needle while the opposite end of the lever merely
rests against the metering diaphragm. Special care is
required when reassembling these parts to insure
proper operation.
CAUTION:
Under extreme conditions of
clogged idle fuel channel and discharge ports, it may
be necessary to remove the channel welch plug. If
so, it must be done very carefully in the following
manner:
Drill a 1/8 “ diameter hole through the
11/32” diameter welch plug. This hole
should just break through the welch plug.
Deeper drilling will seriously damage the
body casting and render the carburetor
non-serviceable.
Carefully pry out the welch plug and
clean discharge ports and cross
channels. To reinstall, place welch
plug in well, convex side up, and flatten
with a flat end tool slightly larger than
the welch plug. Nozzle welch plug can
be removed in the same manner by
using a 1/16” drill.
SERVICE DATA
2
1
To Next Page
Loading...
Need help?
General
