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Craftsman 917.388020 Owner's Manual page 9

6.0 horsepower 21" rear discharge rotary lawn mower

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MOWINGTIPS
• Under certain conditions,such as very
tall grass, it may be necessary to raise
the height of cut to reduce pushing
effortand to keep from ovedoading the
engine and leaving clumps of grass
clippings. It may also be necessary to
reduce ground speed and/or run the
lawn mower over the area a second
time.
• For extremely heavy cutting, reduce the
width of cut by overlapping previously
cut path and mow slowly.
• For better grass bagging and most
cuttingconditions, the engine speed
shouldbe set in the fast position.
• When using a rear discharge lawn
mower in moist, heavy grass, clumps of
cut grass may not enter the grass
catcher. Reduce ground speed
(pushing speed) and/or run the lawn
mower over the area a second time.
• If a trail of clippings is left on the right
side of a rear discharge mower, mow in
a clockwise directionwith a small
ovedap to collect the clippings on the
next pass.
• Pores in cloth grass catchers can
become filled with dirt and dust with use
and catchers witlcollactless grass. To
prevent this, regularly hose catcher off
with water and let dry before using.
• Keep top of enginearound starter clear
and clean of grass clippings and chaff.
This will help engine air flow and
extend engine lite.
MULCHING MOWINGTtPS
IMPORTANT: For best performance, keep
mower housing free of built-upgrass and
trash. Clean UNDERSIDE OF MOWER
HOUSING after each use. See "Cleaning"
in Maintenance section of this manual.
• The specialmulching blade willrecur the
grassclippings manytimesand reduce
them in sizesothatas theyfall ontothe
lawntheywilldisperseintothe grassand
notbe noticed. Also,the mulched grasswill
biodegrade quicklyto providenutrients for
the lawn.Alwaysmulchwith yourhighest
engine(blade) speed as thiswillprovide
the best recutting action ofthe blades.
• Avoidcutting yourlawnwhenit iswet.Wet
grasstendsto form clumpsandinterferes
withthe mulching action. Thebest timeto
mow yourlawnis the eaityafternoon. A t
thistime the grasshas dried andthe newly
cut area willnotbe exposedto the d_rect
sun.
• For best results, a djustthe lawn mower
cutting heightsothatthe lawnmowercuts
offonly the topone-third of the grass
blades. If the lawnis overgrown itwillbe
necessa_Jto raisethe heightofcut to
reduce pushing effort and to keep from
overloading the engine and leaving
clumps of mulched grasS. For extremely
heavy mulching, reduceyour wk_ of cut,
mow slowly and raisethe rear of the lawn
mower one wheeladjustersettinghigher
than the front.
• Certaintypes ofgrassandgrassconditions
may _._re that an area be mulched a
secondtime to completelyhide the
clippings. When doing a secondcut, mow
ecrese or peq)endicular to the firetout psth.
• Changeyour cutting patternfrom weekto
week. Mow northto southone week than
chargeto east towestthe next week. This
willhelp prevantmattingand grainingof
the latwn.
Max 1/3
9

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