Craftsman EZ3 917.270963 Owner's Manual page 27

20.5 hp electric start 42" mower automatic
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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
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
Hood
Clamp Screw
Quarter
_
/
L
"_
/ _.
"_ Headlight Wire
Circle___._f_"
_
_
"
"_
__
\Swivel
Choke Closed
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
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
Lever
Casing
Clamp
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
SE-I-[ING
-
• 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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