Bolens 120-337A - Manual (Page 10)

NOTE
This engine features a unique
Automatic Choke. In case of
flooding, move control to “STOP”
and pull starter six times. Then
move control to “START” position
and start engine. If engine con­
tinues to flood, rotate the carburetor
needle valve 1/8 turn clockwise to
obtain a leaner mixture. See Car­
buretor Adjustment on page 13.
This mower is designed to be operated at full
throttle to give you the best cut and do the most
effective job of bagging the cut grass.
ADJUSTMENTS
FIGURE 19.
TO STOP ENGINE
1. Move throttle control lever to “STOP” posi­
tion.
2. Remove spark plug wire.from spark plug and
ground to prevent accidental starting while
equipment is unattended.
Be sure that lawn is clear of stones, sticks, wire,
or other objects which could damage lawn mower
or engine. For best results and to insure more
even grass distribution, do not mow when lawn is
excessively wet.
IMPORTANT
After striking a foreign object, stop
the engine. Remove wire from spark
plug, thoroughly inspect the mower
for any damage, and repair the
damage before restarting and
operating the mower.
A CAUTION
Do not at any time make any adjust­
ment to lawn mower without first
stopping engine and disconnecting
spark plug wire.
CUTTING HEIGHT
An adjusting plate and thumb lever at each wheel
position provides cutting height adjustment. Each
adjusting plate has five holes. Height of cut will
be changed when the thumb lever is moved from
one hole to another. Simply depress the lever
towards wheel and move wheel and lever
assembly to desired position. See figure 20.
Cutting height will be raised as front and rear
levers are lowered. Cutting height will be lowered
as front and rear levers are raised. All wheels must
be positioned at the same height.
For rough or uneven lawns, move the wheels to a
position which will give a higher cutting height.
P
?
FIGURE 20.
CLUTCH CONTROL ADJUSTMENT
1. To increase belt tension, loosen jam nut and
back off two or three threads. Thread the bar­
rel nut on end of control cable outward two or
three threads. Retighten jam nut. See figure
21 .
2. To decrease belt tension, loosen jam nut and
back off two or three threads. Thread the bar­
rel nut on end of control cable inward two or
three threads. Retighten jam nut. See figure
21.
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