Poulan Pro 25 HHT Manual De Instrucciones página 7

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As your unit is used. carbon deposits
build up
on the muffler and spark arresting
screen.
For normal
homeowner
use,
however,
the
muffler and spark arresting
screen will not re-
quire any service.
After 50 hours of use, we
recommend
that your muffler be serviced
or
replaced
by your authorized
service
dealer.
CARBURETOR
ADJUSTMENT
WARNING:
Keep others away when
maMng
idle speed
adjustments.
The blade
will be movh_g dudng most of this procedure.
Wear your protective
equipment
and observe
all safety precautions,
When
making adjust-
ments,
use a screwdriver
short
enough
to
keep your hands
behh_d the handguard
and
away
from the blade.
After
makh_g adjust-
ments, the blade must not move at idle speed,
The carburetor
has been carefully
set at the
factory. Adjustments
may be necessary
if you
notice any of the foilowh_g conditions:
• Engine
will not idle when the throttle
is re-
leased.
• The blade moves
at idle.
Keep others
away when making
idle speed
adjustments.
Make adjustments
with the unit
resting on a level surface free of debris that can
be caught in the hedge trimmer blade. Serious
injury to the operator and others can occur if the
carburetor
is not properly
adjusted.
Keep all
parts of your body away from the blade and
muffler.
Idle
Speed
Adjustment
Allow engine to idle. Adjust speed until engine
runs without blade moving (idle too fast) or en-
gine stalling
(idle speed too slow).
• Turn
idle speed
screw
clockwise
to in-
crease engine speed if engine stalls or dies.
• Turn idle speed screw counterclockwise
to
decrease
engine speed if the blade moves
at idle.
_WARNING:
Recheck
the idle speed
after each adjustment.
The blade must not
move at idle speed to avoid serious
injury to
the operator
or others.
Idle Speed Screw
If you require further assistance
or are unsure
about performing
this procedure,
contact
an
authorized
service
dealer
or
call
1-800-554-6723.
BLADE
ADJUSTMENT
The
clearance
between
the cutting
blades
must be adjusted
periodically
to maintain
opti-
ma] performance
and sharp cutting.
Blade guide
Blades
Flat
Washer
Bolt
/Washer
1. Using a wrench,
loosen
each nut on the
top side of the blade guide.
TOP SIDE OF BLADE
Nut
Wrench
"e,
_,
2. Tighten each bolt from underside
of blade
with a wrench.
UNDERSIDE
OF BLADE
3. Loosen each bott 1/2 turn.
UNDERSIDE
OF BLADE
1/2 turnf
_\
,
\
4. While
holding
each bolt in place with
a
wrench,
retighten
the nuts.
TOP SIDE
/ /
OF BLADE
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7
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