Engine Maintenance; To Adjust Throttle Control Cable; To Adjust Choke Control; To Adjust Carburetor - Craftsman 917.272920 Owner's Manual

Lawn tractor 20.0 hp, 42" mower electric start automatic transmission
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ENGINE
Maintenance,
repair, or replacement
of
the emission control devices and systems,
which are being done at the customers ex-
pense, may be performed by any non-road
engine repair establishment
or individual.
Warranty repairs must be performed by an
authorized engine manufacturer's
service
outlet.
TO ADJUSTTHROTTLE
CONTROL
CABLE
The throttle control has been preset at the
factory and adjustment should not be nec-
essary. Check adjustment as described
below before loosening cable. If adjust-
ment is necessary, proceed as follows:
1. With engine not running, move throttle
control lever to fast position.
2. Check that swivel is against stop. If it is
not, loosen cable clamp screw and pull
cable back until swivel is against stop.
Tighten cable clamp screw securely.
TO ADJUST
CHOKE CONTROL
The choke control has been preset at
the factory and adjustment should not be
necessary. Check adjustment as described
below before loosening cable. If adjust-
ment is necessary, proceed as follows:
1. With engine not running, move choke
control (located on dash panel) to full
choke position.
2. Loosen knob and remove cover as-
sembly from air cleaner.
3. Choke should be closed. If it is not,
loosen casing clamp screw and move
choke cable until choke is completely
closed. Tighten casing clamp screw
securely.
4. Replace air cleaner cover assembly
and tighten knob.
TO ADJUST
CARBURETOR
Your carburetor is not adjustable. If your
engine does not operate properly due to
suspected carburetor problems, take your
tractor to an authorized service center for
repair and/or adjustment.
High speed stop is factory adjusted.
Do
not adjust - damage may result.
IMPORTANT:
Never tamper with the
engine governor, which is factory set
for proper engine speed. Overspeed-
ing the engine above the factory high
speed setting can be dangerous.
If you
think the engine-governed
high speed
needs adjusting, contact a Sears or other
qualified service center,, which has proper
equipment and experience to make any
necessary adjustments.
/
Swivel
Clamp
Screw
Clamp Screw
28

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