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Idiomas disponibles
ENGINE
ENGINE SPEED
Your engine speed has been factory seL Do not attempt to
increase engine speed or it may result in personal injury_ If
you believe that engine is running too fast or too slow, take
your mower to an authorized service center for repair and
adjustmenL
TO ADJUST
CARBURETOR
(See Fig. 16)
Minor carburetor adjustments may be required to compen-
sate for differences in fuel, temperature, altitude or load.
The air cleaner and air cleaner cover must be assembled
to carburetor when running.
INITIAL ADJUSTMENT-
With the engine not running, gently turn idle mixture screw
cleckwise until it just cioses_ Screw may be damaged by
turning it in too far_
Next open the screw one turn counter-clockwise.
This
initial adjustment will pemlit the engine to be started and
warmed up (approximately 5 minutes) prior to final adjust-
ment.
NOTE: DO NOT adjust top no loadadjusting screw. It was
pre-set at the factory,
FINAL ADJUSTMENT-
Place engine speed control lever in "IDLE" or"SLOW" (-_!)
position. Adjust idle RPM by turning idle speed adjusting
screw to obtain 1700 RPM Next, tum idle mixture screw in
(clockwise - lean mixture) until engine just starts to slow_
Then turn idle mixture screw out (counter-clockwise - rich
TOP NO
LOAD
IDLE SPEED
ADJUSTING
SCREW
IDLE
MIXTURE
SCREW
FIG. 16
mixture) until engine runs unevenly. Now turn idle mixture
screw midway between rich and lean.
Engine should
accelerate smoothly
If engine does not accelerate prop-
erly, thecarburetor should be readjusted, usuallyto a richer
mixture, by turning the idle mixture screw counter-clock-
wise 1/8 turn more.
IMPORTANT:
NEVER
TAMPER
WITH
THE
ENGINE
GOVERNOR,
WHICH
IS FACTORY
SET FOR PROPER
ENGINE SPEED.
OVERSPEEDING
THE ENGINE ABOVE
THE
FACTORY
HIGH
SPEED
SETTING
CAN
BE
DANGEROUS.
IF YOU THINK THE ENGINE-GOVERNED
HIGH
SPEED
NEEDS
ADJUSTING,
CONTACT
YOUR
NEAREST AUTHORIZED
SERVICE CENTER, WHICH HAS
PROPER EQUIPMENT
AND EXPERIENCE
TO MAKE ANY
NECESSARY
ADJUSTMENTS.
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