Craftsman 917.377960 Owner's Manual page 9

6.75 horsepower 21" multi-cut power propelled rotary lawn mower
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octane. (Use of leaded gasoline will
increase carbon and load oxide deposits
and reduce valve I'Ve). Do not mix oil with
gasoline. Purchase fuel in quantities that
can be used within 30 days to assure fuel
freshness.
WARNING:
Experience indicates that alcohol
blended fuels (called gasohol or using ethanol
or methanol) can attract moisture which loads
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.
Drain 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 addlti_,
information.
Never use engine or carburetor cleaner
products in the fuel tank or permanent
damage may occur.
Gasoline
filler cap
TO START ENGINE
• To start a cold engine, push primer three
(3) 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.
• Hold operator presence control bar
down to the handle and pull starter
handle quickly. Do not allow starter
rope to snap back.
• To stop engine, release operator
presence control bar.
NOTE: In cooler weather it may be
necessary to repeat pdming steps. In
warmer weather over priming may cause
flooding and engine will not start. If you do
flood engine, wait a few minutes before
attempting to start and do not repeat
priming steps.
MOWING
TIPS
• For mostcuttingconditions and better
baggingperformance,the enginespeed
shouldbe set in the fast position.
• Under certainconditions, s uch as when
mowingvery tallgrass, raisethe mower
heighton the firstcutto reduce pushing
effort,to avoidoverheatingthe engine,and
to avoid leavingclumpsof grass clippings.
Make the second cut to the desired height.
For extremely heaw cutting, reduce the
width of cut.
Pores in cloth grass catchers can become
filled with dirt and dust with use and the
catcher will collect less grass. To prevent
this, regularly hose catcher off with water
and lot dry before use.
MULCHING
MOWING TIPS
IMPORTANT: For bestperfo_,
keep
mowerhousingfree of built-upgrass and
trash. See "Cleaning" in MAINTENANCE
sectionof this manual.
• The specialmulchingblade willrecurthe
grassclippingsmany times and reduce
them in size so that as they fallonto the
lawnthey willdisperseintothe grass and
not be noticed. Also,the mulchedgrass will
biodegrade quicklyto providenutrients for
the lawn. Alwaysmulchwith your highest
engine(blade) speed as this willprovidethe
best recutting actionof the blades.
• Avoidcuttingyour lawn when itis weL Wet
grasstendsto form clumpsand interferes
withthe mulchingaction. The besttime to
mow your lawnis the earlyaftemnon. At
this time the grass has driedand the newly
cut area willnot be exposed to the direct
sun.
• Forbest results,adjustthe lawn mower
cuttingheightso thatthe lawn mower cuts
offonlythe top one-thirdof the grass blades.
Ifthe lawn is overgrownitwillbe necessary
to raisethe heightof cutto reduce pushing
effortand to keep from overloadingthe
engineand leavingdumps of mulched
grass. Forextremelyheavy mulching,
reduceyourwidthof cutby overlapping
previously cutpath and mow slowly.
• Certaintypesof grass and grassconditions
may requirethat an area be mulcheda
secondtime to completelyhidethe
clippings.When doinga secondcut, mow
acrossor peqoendloularto the first cut path.
• Change your cuttingpatternfrom week to
week. Mow north to south one week than
changeto eastto westthe nextweek. This
will helppreventmattingand grainingofthe
lawn.

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