Sears 917386121 Lawn Mower User Manual


 
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OPERATION
GAS
,, Fill fuel tank. Use fresh, clean, regular unteaded
gesdiine With a minimum of 87 octan& (Use of leaded
gasoline Wit ncreaee carbon and lead oxide deposits
and reduce valve life),, Do not mix oil with gasoline.
Purchase fuel Fnquantities that can be used w thin 30
days tO assure flJel freshness. ",
WARNING: Experience indicates that alcohol blended
fuels (called gasohel or using ethanol or methanol) can
attract moisture which Jeads to separation and format!on ot
acids during storage. Acidic gas can damage the fuel
system of an erigtne while in storage. T_oavoid engine
problems, the ,fUelsystem should be emptied before stor-
age of 30 days o1:longer. Drain 'the fue! tank, start the
engine and et itrun 'unit fuel nes and carburetor are
empty. Use fresh fuel next season. Sea Storagei!nstruc-
lions for additional information, Never use engine or
carburetor cleaner products tn fue_ tank or permanent
damage may occur.
TO START ENGINE
To start acold engine push pdmer_t_e (5) times berets
trying to'start. Use a firm push, This _tep is not usua!ly
necessary when starting an engine which has already
run for ate w mtnu es_
Push eng'lne speed control lever to fast [._) position.
Hold operator presence contro! bar down to the handle
and putl starter handle quickly. Do not aflow starter
rope to snap back°
. To stop engine, release operat0r pre.sence control bar.
NOTE: In cooler weather It may be necessary to repeat
priming steps, In warmerweather over priming maycause
flooding and engine will not start, If you do flood engine,
wait a few minutes before attempting to start and do not
repeat pdmlng step&
MOWING TIPS
Under certain conditions, such as very tallgrass, itmay
be necessary to raise the height of c;ut to reduce
push ng effort and to keep from overloading the engine
and leav ng clumps of grass clippings.
For extremely heavy cutting, reduce the wtdih of cut
and raise the rear of the lawn mower housing one (1)
wh'eet adjL=stersetting higher than the front for better
discharge of grass.
For belier grass bagging and mbst Cutting_onditlons,
the engine speed should be set in the fast (.€_) posi-
tion.
When using a rear discharge lawn mower in moist,
heavy grass, clumps of out grass may not enter the
grass catcher: Reduce ground speed (pushing speed)
and/or tun the lawn mows rover the area a second lime.,
If atrailer grass cllpplngsls left on ti:teright side of a rear
discharge lawn mower, mow in a cl0ckwfse dlrecUon
with a small oved&p to collect the clippings on the next
pass; " L, ; " _ ;
K_ep 'top of engine around Starter, dear and clean of
grass clippings and chaff. This wii! help engine air flow
and extend engine life
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Pores In cloth grass catche(_banbecome filled with dirt
and dust with use and c'atchers wttl col!ect less gi'ess,
Toprevent lhfs, regu ally hose catchers off wilh water
andfet dry before using. ," _=
MULCHING MOWING 'TIPS
IMPORTANT: FOR BEST"PERFORM_NCE, KEEP
MOWER HOUSING FREE OF BUIL,T-UFt GRASS AND
TRASH CLEAN UNDERSIDE OF,MOWER HOUSING
AFTER EACH USE. SEE ."CLEANING" IN'CUSTOMER
RESPONSIBILITIES SECT ON OFTHIS MANUAL ' '
The spec!al mutchlng blade wtti recut'_h§ grass Cllp-
pings many times and redqce them insize Sothat as
they fal! onto the lawn Ihe_,iwjfl disperse into'the grass
and not be noticed, Also, the mu!ched grass will
blodegrads quickly to provide nutrients for the lawn.
Afways muloh with your highestengine' (blade) speed
as this wilt provide lhe :best recuttlng action of the
Medea .
!,
° AvoidcuttJngyourlawnwhen Hswet, Wetgraastends
to form clumps and interferes with the mulching action,
The best time to mow your lawn iSthe eady Afternoon,
At this time the grass hasdded and the newly cut area
will notes exposed to the direct s0ri.
For best re,_utts, adjust the IeWli mower cu_Jng height
so that the lawn mowe_ cuts elf only the top one;third
of the grass blades (See EJg. 8), :If the lawn is
overgrown it willbe necessary to'rais_the height of cut
to reduce pushing effort and to keep from byerloading
the engine and leaytngelumps of _ulPhedgrass, For
extremely heavy mulching, red,Jce yoi4t width of cut,
mow slowly andTals_ the rea_"of the lawn mower one
wheel adjuster setting hlghe,r thari th=efront.
" Certain types of gras_ ahd grass conditions may re;
quire that an area be mulched a rsecond time to
comp etely hide lhe clippings When :doing a second
cut, mew across or perpend!cular to the first cut path.
Change yourcutttng pattern from week to week, Mow
north to soulh one _eek then change tOeast to west the
next week. This will help prevent matt ng And grain ng
of the lawn.
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