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Craftsman 917.378550 Manual Del Usuario página 10

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CAUTION:
Alcohol blended fuels (called
gasohol or using ethanol or methanol)
can
attract moisture which leads to separation
and formation of acids during storage. Acidic
gas can damage the fuel system of an engine
while in storage. To avoid engine problems,
the fuel system should be emptied before
storage of 30 days or longer. Empty the gas
tank, start the engine and let it run until the
fuel lines and carburetor are empty. Use fresh
fuel next season.
See Storage Instructions
for additional information.
Never use engine
or carburetor cleaner products in the fuel tank
or permanent
damage may occur.
TO STOP ENGINE
• To stop engine, release operator pres-
ence control bar. Wait until blade and
all moving parts have stopped and turn
fuel valve to OFF position if you do not
intend to restart the engine soon.
OFF
Fuel valve lever
TO START ENGINE
NOTE: Due to protective coatings on the
engine, a small amount of smoke may be
present during the initial use of the prod-
uct and should be considered normal.
1. Be sure fuel valve is in the ON position.
2. Move choke lever to ON ( I\1 ) position.
3. Hold operator presence control bar down
to the handle and pull starter handle quick-
ly. Do not allow starter rope to snap back.
NOTE: The choke lever automatically
begins moving to the OFF position when
operator presence control bar is held
down to handle.
MOWING
TIPS
• Under certain conditions, such as very
tall grass, it may be necessary to raise
the height of cut to reduce pushing
effort and to keep from overloading the
engine and leaving clumps of grass clip-
pings. It may also be necessary
to re-
duce ground speed and/or run the lawn
mower over the area a second time.
10
• For extremely heavy cutting, reduce the
width of cut by overlapping previously
cut path and mow slowly.
• For better grass bagging and most cut-
ting conditions, the engine speed should
be set in the fast position.
• Pores in cloth grass catchers can be-
come filled with dirt and dust with use
and catchers will collect less grass. To
prevent this, regularly hose catcher off
with water and let dry before using.
• Keep top of engine around starter clear and
clean of grass clippings and chaff.This will
help engine air flow and extend engine life.
MULCHING
MOWING TIPS
IMPORTANT:
For best performance,
keep mower housing free of built-up
grass and trash. See "CLEANING"
in the
Maintenance section of this manual.
• The special mulching blade will recut the
grass clippings many times and reduce
them in size so that as they fall onto the
lawn they will disperse into the grass and
not be noticed. Also, the mulched grasswill
biodegrade quickly to provide nutrients for
the lawn. Always mulch with your highest
engine (blade) Speed as this will provide
the best recutting action of the blades.
• Avoid cutting your lawn when it is wet. Wet
grass tends to form clumps and interferes
with the mulching action. The best time to
mow your lawn isthe early afternoon. At this
time the grass has dried, yet the newly cut
area will not be exposed to direct sunlight.
• For best results, adjust the lawn mower
cutting height so that the lawn mower
cuts off only the top one-third of the
grass blades. If the lawn is overgrown it
will be necessary to raise the height of cut
to reduce pushing effort and to keep from
overloading the engine and leaving clumps
of mulched grass. For extremely heavy
grass, reduce your width of cut by overlap-
ping previously cut path and mow slowly.
/3
Certain types of grass and grass conditions
may req uire that an area be mulched a sec-
ond time to completely hide the clippings.
When doing a second cut, mow across
(perpendicular) to the first cut path.
Change your cutting pattern from week
to week. Mow north to south one week
then change to east to west the next
week. This will help prevent matting and
graining of the lawn.

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