Operator's Manual

OperatingCharacteristics
Practicedrivingthemachinebecauseithasahydrostatic
transmissionanditscharacteristicsaredifferentthanmany
turfmaintenancemachines.Somepointstoconsiderwhen
operatingthetractionunit,cuttingunit,orotherimplements
arethetransmission,enginespeed,loadonthecuttingblades
orotherimplementcomponents,andtheimportanceofthe
brakes.
Tomaintainenoughpowerforthetractionunitand
implementwhileoperating,regulatethetractionpedalto
keeptheenginespeed(RPM)highandsomewhatconstant.
Agoodruletofollowistodecreasethegroundspeedasthe
loadontheimplementincreases,andincreasetheground
speedastheloaddecreases.
Therefore,allowthetractionpedaltomovebackwardasthe
enginespeed(RPM)decreases,anddepressthepedalslowly
astheenginespeed(RPM)increases.Bycomparison,when
drivingfromoneworkareatoanother,withnoloadand
cuttingunitraised,havethethrottleinthehighestposition
anddepressthetractionpedalslowlybutfullytoattain
maximumgroundspeed.
Thetractionassistenhancestractiondriveperformancein
compromisedoperatingconditions.Thetractionassistis
foruseinlowspeedrangeonly.Whenapproachinganarea
knowntocausewheelspin,depressandholdtractionassist
switchuntilcompletelypastthearea.Ifatirespinswhile
climbingormaneuveringonslopes,depressswitchandslowly
driveoutofarea.Ifbothafrontandrearwheelspins,the
steeringbrakecanbefeatheredtotransferthetorquefrom
thespinningwheelstooppositefrontwheel.
Thebrakescanbeusedtoassistinturningthemachine.
However,usethemcarefully,especiallyonsoftorwetgrass
becausetheturfmaybetornaccidentally.Anotherbenet
ofthebrakesistomaintaintraction.Forexample,insome
slopeconditions,theuphillwheelslipsandlosestraction.If
thissituationoccurs,depresstheuphillturnpedalgradually
andintermittentlyuntiltheuphillwheelstopsslipping,thus,
increasingtractiononthedownhillwheel.
Useextracarewhenoperatingthemachineonslopes.Make
suretheseatbeltisbuckled.Driveslowlyandavoidsharp
turnsonslopestopreventrollovers.Forsteeringcontrol,the
cuttingunitmustbeloweredwhengoingdownhill.
WARNING
Thisproductisdesignedtodriveobjectsintothe
groundwheretheyloseenergyquicklyingrass
areas.However,carelessoperation,combinedwith
terrainangle,ricochets,orimproperlypositioned
safetyguardcanleadtothrownobjectinjuries.
•Whenapersonorpetappearssuddenlyinor
nearthemowingarea, stop mo wing .
•Donotresumemowinguntiltheareaiscleared.
Beforestoppingtheengine,disengageallcontrolsandmove
thethrottletotheslowestposition.Movingthethrottletothe
slowestpositionreduceshighenginespeed(RPM),noise,and
vibration.TurnthekeytoOfftostoptheengine.
Beforetransportingthemachine,raisethecuttingunitsand
securethesidecuttingunittransportlatches(Figure42).
Figure42
1.Transportlatch
ReversingFanOperation
Thefanspeedwillbecontrolledbyhydraulicoiltemperature,
airintaketemperatureandenginecoolanttemperature.A
reversecycleisautomaticallyinitiatedandonlyhappenswhen
eithertheenginecoolantorhydraulicoiltemperaturereaches
acertainpoint.Thisreversalwillhelpblowdebrisofftherear
screenandlowertheengineandhydraulicoiltemperatures
(Figure43).
G010392
Figure43
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