To Remove Hood And Grill Assembly; To Adjust Throttle Control Cable; To Adjust Carburetor; To Adjust Choke Control - Craftsman 917.270921 Owner's Manual

19.5 hp electric start 42" mower automatic lawn tractor
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TO REMOVE HOOD AND GRILL
ASSEMBLY
• Raise hood.
• Unsnap
headlight
wire connector.
• Stand in front of tractor.
Grasp hood at
sides, tilt toward engine and lift off of
tractor.
• To replace, reverse above procedure.
• Remove air cleaner
cover, filter and
cartridge
plate to expose carburetor
choke (see "AIR FILTER" in the
Customer
Responsibilities
section of
this manual).
• 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.
• Reassemble
air cleaner.
Headlight Wire
Connector
Clamp
Quarter
ENGINE
Maintenance,
repair, or replacement
of
the emission control devices and
systems, which are being done at the
customers expense,
may be performed
by any non-read
engine repair establish-
ment or individual. Warranty repairs must
be performed
by an authorized
engine
manufacturer's
service outlet.
TO ADJUST
THROTTLE
CONTROL
CABLE
The throttle control has been preset at
the factory and adjustment should not be
necessary.
Check adjustment
as
described
below before loosening
cable.
If adjustment
is necessary, proceed as
follows:
• With engine not running, move throttle
control lever to fast position.
• Check that swivel is against side of
quarter circle.
If it is not, loosen cable
clamp screw and pull cable back until
swivel is against quarter circle.
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 adjustment
is necessary, proceed as
follows:
• With engine not running, move choke
control (located on dash panel) to full
choke position.
Choke Closed
..Choke
Lever
Casing
Clam;:
Screw
TO ADJUST
CARBURETOR
The carburetor has been preset at the
factory
and adjustment should not be
necessary.
However,
minor adjustment
may be required to compensate
for
differences
in fuel, temperature,
altitude
or load,
If the carburetor does need
adjustment,
proceed as follows:
In general, turning the mixture screw in
(clockwise)
decreases
the supply of fuel
to the engine giving a leaner fuel/air
mixture. Turning the mixture screw out
(counterclockwise)
increases
the supply
of fuel to the engine
giving a richer fuel/
air mixture.
IMPORTANT:
Damage
to the needles
and the seats in carburetor may result if
screw is turned in too tight.
PRELIMINARY SETI'ING -
• Be sure you have a clean air filter, and
the throttle control cable and choke
are adjusted properly (see above).
• With engine off turn idle mixture screw
27
in (clockwise) closing it finger tight and

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