Height Of Cut; Starting; Storage; Mowing Tips - Craftsman 917.387850 Owner's Manual

Ez3 ules walk-behind mowers
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OPERATION
GAS (See Fig. 8)
When using a rear discharge lawn mower in moist,
Fill fuel tank.
Use fresh, clean, regular unleaded
heavy grass, clumps of cut grass may not enter the
gasoline with a minimum of 87 octane. Do not mix oi!
grass catcher. Reduce ground speed (pushing speed)
with gasoline.
Purchase fuel in quantities that can be
and/or run the lawn mower overthe area a second time.
used within 30 days to assure fuel freshness,
o
Ifatraitofgrassclippingsisleftontherightsideofarear
WARNING:
_Experience: indicates'that
_lcohol
blended
discharge.lawn
mower, mow in a clockwise direction
fuels (calted gasohol or using ethanol oi" methanol) can
with a small overlap to collect the clippings on the next
attract moisture which leads to separation and formation of
pass.
acids during storage.
Acidic gas can damage the fuel
o
Keep top of engine around starter clear and clean of
system of an engine while in storage.
To avoid engine
grass clippings and chaff. This witl help engine airflow
problems, the fuel.system should be emptied before stor-
and extend engine life.
age of 30 days or:tonger. _:Drain the fuel tank,-st&rtthe
engine and let it run until fuel lines and carburetor
are
o
Poresinclothgrasscatcherscanbecomefi]ledwithdirt
and dust with use and catchers will coltect tess grass.
empty. Use fresh fuel next season. See Storage Instruc-
To prevent this, regu!afly hose catchers off with water
tions for additional
information.
Never use engine or
and let dry before using.
carburetor cleaner
products
in fuel tank or permanent
damage may occur.
OIL FILL CAP
GASOLINE
FILLER CAP
FIG. 8
TO START ENGINE
o
To start acold engine, push primerfive (5) times before
trying to start. Use a firm push. This step is not usually
necessary when starting an engine which has already
run for a few minutes.
.
Push engine speed control lever to fast (,_)
position.
°
Hold operator presence control bar down to the handle
and pull starter handle quickly.
Do not allow starter
rope to snap back.
o
To stop engine, release operator presencecontrol
bar.
NOTE:
in cooler weather it may be necessary to repeat
priming steps. In warmerweather
over priming maycause
flooding and engine wili not start. If you do flood engine,
wait a few minutes before attempting to start and do not
repeat priming steps.
MOWING TIPS
Under certain conditions, such as very tall grass, it may
be necessary
to raise the height of-cut
to reduce
pushing effort _nd to keep from overloading the engine
and leaving clumps of grass clippings.
For extremely heavy cutting, reduce the width of cut
and raise the rear of the lawn mower housing one (1)
wheel adjuster setting higher than the front for better
discharge of grass.
For better grass bagging and most cutting conditions,
the engine speed should be set in the fast (,_)
posi-
tion,
MAX 1/3
10
FIG. 9
MULCHING
MOWING TIPS
IMPORTANT:
FOR BEST
PERFORMANCE,
KEEP
MOWER HOUSING FREE OF BUILT-UP GRASS AND
TRASH.
CLEAN UNDERStDE OF MOWER HOUSING
AFTER EACH USE.
SEE "CLEANING"
IN CUSTOMER
RESPONSIBILITIES
SECTION OF THIS MANUAL.
o
The special mulching blade will recut the grass clip-
pings many times and reduce them in size so that as
they fall onto the lawn they wil! disperse into the grass
and not be noticed.
Also, the mulched grass will
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 is the early afternoon.
At this time the grass has dded and the newly cut area
witl not be exposed to the direct sun.
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 (See Fig. 9). if the lawn is over-
grown it will be necessary to raise the height of cut to
reduce pushing effort andto keep from overloading the
engine and leaving clumps of mulched
grass. For
extremely heavy mulching, reduce your width of cut,
mow slowly and raise the rear of the lawn mower one
wheel adjuster setting higher than the front.
,
Certain types of grass and grass conditions may re-
quire that an area be mulched a second time to com-
pletely hide the clippings.
When doing a second cut,
mow across or 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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