Toro LT3340 - Cutting Unit Operations; Blade Safety; Back Lapping Cutting Units

CuttingUnits
BladeSafety
Awornordamagedbladeorbedknifecanbreak,and
apiececouldbethrowntowardyouorbystanders,
resultinginseriouspersonalinjuryordeath.
•Inspectthebladesandbedknivesperiodicallyfor
excessivewearordamage.
•Usecarewhencheckingtheblades.Weargloves
andusecautionwhenservicingthem.Only
replaceorbacklapthebladesandbedknives;
neverstraightenorweldthem.
•Onmachineswithmultiplecuttingunits,takecare
whenrotatingacuttingunit;itcancausethereels
intheothercuttingunitstorotate.
BackLappingtheCutting
Units
WARNING
Contactwiththecuttingunitsorothermoving
partscanresultinpersonalinjury.
•Keepngers,hands,andclothingaway
fromthecuttingunitsorothermoving
parts.
•Neverattempttoturnthecuttingunitsby
handorfootwhiletheengineisrunning.
Usethisprocesstorestorethesharpcuttingedgesto
reelsandbedkniveswhichareneededforgood-quality
grasscutting.
Thisprocesscanonlyremovesasmallamountof
metaltorestorethecuttingedges.Ifthebladeedges
areseriouslywornordamaged,removethecutting
unitandhavethereelsandbedknifegroundagain.
1.Engagetheparkingbrake,lowerthecutting
units,shutofftheengine,andremovethekey.
2.Adjustthereelstothebedknivestoobtainlight
contact.
3.Applyacoatofmedium-gradedetergent-based
carborundumpastetothecuttingedgesofthe
reelswithalong-handledbrush.
80-gradecarborundumpaste
Partnumber
0.45kg(1lb)
63-07-088
11.25kg(25lb)
63-07-086
g014445
Figure72
4.Sitontheoperatorseat,starttheengine,and
settheenginespeedtoidle.
WARNING
Ifyoutouchthecuttingunitswhenthe
engineisrunning,youcouldbeseriously
injured.
•Ensurethattheareasurroundingthe
cuttingunitsisclearofpeople.
•Keephandsandfeetclearofthe
cuttingunitsduringtheperiodwhen
themowerengineisrunning.
5.PresscuttingunitdriveswitchtotheREVERSE
(backlap)positionforaperiodoftime.Listen
tothegrindingaction.
6.OperatethecuttingunitdriveswitchtotheOFF.
Whenthecuttingunitstopsrunning,shutoffthe
engineandremovethekey.
7.Thoroughlycleanthebladeedgesandadjust
thebedknivestothereels.
8.Checkthatathinpieceofpapercanbecut
cleanlyatallpointsalongthecuttingedges
whilerotatingthereelsbyhand.
9.Iffurtherbacklappingisnecessaryrepeatsteps
2through8.
10.Thoroughlycleanoffalltracesofthe
carborundumpastefromthereelsand
bedknives.
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