Toro 31598N - Understanding the Operating Characteristics; Automatic Reversing-Fan Cycle; Operating Tips

UnderstandingtheOperating
Characteristics
Practicedrivingthemachine,asithasahydrostatic
transmission,anditscharacteristicsmaydifferfromother
turf-maintenancemachines.
Tomaintainenoughpowerforthetractionunitand
implementwhileoperating,regulatethetractionpedalto
keeptheenginespeed(rpm)highandconstant.Decreasethe
groundspeedastheloadontheimplementincreases,and
increasethegroundspeedastheloaddecreases.
Allowthetractionpedaltomovebackwardastheengine
speed(rpm)decreases,andpressthepedalslowlyasthe
enginespeedincreases.Bycomparison,whendrivingbetween
workareas,withnoloadandthemowerdeckraised,setthe
throttleinthehighestpositionandpressthetractionpedal
slowly,butfully,toattainmaximumgroundspeed.
Beforestoppingtheengine,disengageallcontrolsandmove
thethrottletotheslowestposition,whichreducestheengine
speed(rpm),noise,andvibration.Turntheignitionkeyto
theOFFpositiontoshutofftheengine.
Beforetransportingthemachine,raisethemowerdecksand
securethetransportlatchesonthesidemowerdeck(Figure
34).
Figure34
1.Transportlatch
AutomaticReversing-Fan
Cycle
Thehydraulic-fanspeediscontrolledbythehydraulic-oil
temperature.Theradiator-fanspeediscontrolledbythe
engine-coolanttemperature.Areversecycleautomatically
initiateswheneithertheenginecoolantorhydraulic-oil
temperaturereachesacertainpoint.Thisreversalblows
debrisoffthescreens,loweringtheengineandhydraulic-oil
temperatures(Figure35).
G010392
Figure35
OperatingTips
SelectingtheProperHeight-of-Cut
Setting
Removeapproximately25mm(1inch)ornomorethan1/3
ofthegrassbladewhencutting.Inexceptionallylushand
densegrass,youmayneedtoraisetheheight-of-cuttothe
nextsetting(Figure36).
Figure36
MowingWhenGrassisDry
Moweitherinthelatemorningtoavoidthedew,whichcauses
grassclumping,orinlateafternoontoavoidthedamagethat
directsunlightcandotosensitive,freshlymowedgrass.
MowingatProperIntervals
Undermostnormalconditionsyouwillneedtomow
approximatelyevery4to5days.However,grassgrowsat
differentratesatdifferenttimes.Tomaintainthesameheight
ofcut,whichisagoodpractice,youwillneedtocutmore
frequentlyinearlyspring;asthegrassgrowthrateslowsin
midsummer,cutonlyevery8to10days.Ifyouareunable
tomowforanextendedperiodduetoweatherconditionsor
otherreasons,mowrstwithahighheightofcut;thenmow
again2to3dayslaterwithalowerheightsetting.
33