To Remove Hood And Grill Assembly; To Adjust Throttle Control Cable; To Adjust Choke Control; To Adjust Carburetor - Craftsman 917 Owner's Manual

20.0 hp electric start 42" mower automatic lawn tractor
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TO REMOVE HOODAND
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.
\
Headlight Wire
,\
Connector
TO ADJUST CHOKE CONTROL
The choke control has been preset at the
factory and adjustment
should not be
necessary.
Check adjustment
as de-
scribed 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.
• Remove air cleaner cover, filter and
cartridge
plate to expose carburetor
choke (see "AIR FILTER" in the
Maintenance
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.
Choke Closed
ENGINE
Maintenance,
repair, or replacement
of
the emission
control devices and sys-
tems, w_ich are being done at the
customers
expense,
may be performed
by any non-road
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 de-
scribed 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.
Clamp Screw
Quarter
Circle _
\
Swivel
Casing
Clamp Screw
Lever
TO ADJUST CARBU RETOR
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
SETTING -
• Be sure you have a clean air filter, and
the throttle control cable and choke are
adjusted
properly
(see above).
27

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