To Remove Hood And Grill Assembly; To Adjust Choke Control; Engine; To Adjust Throttle Control Cable - Craftsman 917.27086 Owner's Manual

20.5 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.
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-road engine repair establish-
ment or individual. Warranty
repairs must
be performed
by an authorized
engine
manufacturer's
service outlet.
TO ADJUST
THROI"rLE
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 stop. If it is
not, loosen cable clamp screw and
pull cable back until swivel is against
stop. Tighten cable clamp screw
securely.
Clamp ,_w
....._vel
_._
Cable
Governed Idle Spring
Stop
(Red or White)
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.
• Loosen knob and remove cover
assembly from air cleaner.
• 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.
• Replace air cleaner cover assembly
and tighten knob.
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
need[as and the seats in the carburetor
may result if screw is turned in too tight.
PREUMINARY SE]-I'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 In (clockwise) closing it fin-
ger tight and then turn out (counter-
clockwise) 1-1/4 to 1-1/2 turns.
FINAL SETI'ING
-
• Start engine and allow to warm for five
minutes.
Make final adjustments with
engine running and shift/motion
control
lever in neutral (N) position.
• With throttle control lever in slow
position, hold throttle lever against idle
speed screw and adjust idle speed
screw to obtain 1300 to 1500 RPM.
27

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917.270860

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