Craftsman 917378870 Rotary Lawn Mower, 21" Rear Discharge, 6.75 Horsepower

Owner's Manual - Page 10

For 917378870. Also, The document are for others Craftsman models: 917.378870

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MOWING TiPS
A CAUTION: Do not use de-thatcher
bladeattachmentson your mower.Such
attachmentsare hazardous,will damage
your mowerand couldvoid your warranty.
,_ Undercertain conditions,such asvery
tall grass,it maybe necessaryto raise
the heightof cut to reducepushing
effort and to keepfrom overloadingthe
engine and leavingclumps of grassclip-
pings. It mayalso be necessaryto re-
duce groundspeed and/or run the lawn
mowerover the area a secondtime.
For extremelyheavycutting, reducethe
width of cut by overlappingpreviously
cut path and mow slowly.
For bettergrass baggingand most cut-
ting conditions,the enginespeedshould
be set in the FASTposition.
When usinga rear dischargelawn
mower in moist,heavygrass,clumps
of cut grass may notenter the grass
catcher.Reducegroundspeed (pushing
speed)and/or run the lawnmowerover
the area a secondtime.
If a trail of clippingsis left on the right
side of a rear dischargemower,mow in
a clockwisedirectionwith a small over-
lap to collectthe clippingson the next
pass.
Pores in cloth grasscatcherscan be-
come filledwith dirt and dustwith use
and catcherswill collect less grass.To
preventthis, regularlyhosecatcher off
with water and let dry beforeusing.
Keeptop of engine aroundstarter clear
and clean of grass clippingsand chaff.
This will helpengine air flow and extend
engine life.
MULCHING MOWING TiPS
iMPORTANT: For best performance,
keepmowerhousingfree of built-up
grass and trash.See "CLEANING"in the
Maintenancesection of this manual.
,_The special muJchingbladewill recut
the grassclippingsmany timesand
reducethem in size so that as theyfall
onto the lawnthey will disperseinto
the grassand not be noticed. Also,the
mulchedgrasswill biodegradequickly
to provide nutrientsfor the lawn. Always
mulchwith your highestengine (blade)
speed as this will providethe bestrecut-
ting action of the blades.
Avoidcutting your lawnwhen it is wet.
Wet grasstends to form clumps and
interfereswith the mulchingaction. The
besttime to mowyour lawn isthe early
afternoon. At thistime the grass has
dried,yet the newlycut area will not be
exposedto direct sunlight.
For bestresults,adjustthe lawnmower
cutting heightso that the lawn mower
cuts off onlythe top one-thirdof the
grass blades. If the lawnis overgrownit
will be necessaryto raisethe heightof
cut to reducepushingeffort and to keep
from overloadingthe engine and leaving
clumps of mulchedgrass.Forextremely
heavygrass,reduceyour width of cut
byoverlappingpreviouslycut path and
mowslowly.
Certaintypesof grass and grass
conditions mayrequirethat an area be
mulcheda secondtime to completely
hidethe clippings. When doing a sec-
ondcut, mowacross (perpendicular)to
the first cut path.
Changeyour cutting patternfrom week
to week. Mow north to south one week
then changeto east to west the next
week. This will help preventmatting and
grainingof the lawn.
10
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