3.
Push
in on governor arm to slow engine down to
about
400
to
500
rpm.
4,
Release
governor
arm
allowing
engine
to
accel-
erate. If engine accelerates evenly and without
hesitation, main fuel adjustment is correct. If it
does not, turn the main adjustment
screw
out in
1/8 turn increments until the engine accelerates
smoothly, but do not turn it out morethan 1/2 turn
beyond the original setting.
5.
Push in
on
governor arm to slow engine down to
about
400-500
rpm. Turn the idle adjustment
screw in until engine speed drops and then out
until engine speed drops again. Over a narrow
range between these two settings, engine speed
will
be at its maximum. Set the idle adjustment
screw about 1/8 turn outward from the midpoint
of this range.
Float
Adjustment
Turn carburetor and check float setting (see Figure
7e). The float should be a specific distance from the
machined mating surface (without gasket). Bend the
float
level.
Bend the float arm as required to adjust
float drop.
When checking
float level and float
drop,
measure
to
float body,
not seam.
NEEDLE
AND SEAT
BEND FLOAT
TAB HERE
TO ADJUST
WALBRO
0.02
f
0.02
INCH
MINIMUM
FLOAT DROP
0.20
INCH
BEND
FLOAT ARM
/
HERETO ADJUST
NO
FUEL
FUEL LEVEL
0.25 INCH
FS-1524
FLOAT
DROP
ADJUSTMENTS
FIGURE
7e.
FLOAT
ADJUSTMENT BEGIN
SPEC
H
,
CARBU~ETOR
BODY
FLOAT LEVEL ADJUSTMENT
17
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