Operator's Manual

D.Transferonethrustwasherfromthelowerside
ofthecastorshafttothetopside,installthe
assembly,andcomparethebladeheightofallof
theblades;refertosteps
3through7.Repeatthe
procedureiftheheightstilldoesnotmeetthe
requirements.
E.Iftheheightiswithinthespecieddimension,
installthelynchpin,settheheight-of-cuttothe
properheight,andresumeoperation.
ReplacingtheGrassDeector
1.Positionthemachineonalevelsurface,raisethe
cuttingunit,engagetheparkingbrake,putthe
tractionpedalinneutral,thePTOleverinthe
Offposition,shuttheengineoff,andremovethe
ignitionkey.Blockthecuttingunittopreventitfrom
accidentallyfalling.
2.Removethe2bolts,locknuts,andspringssecuring
thedeectormountstothepivotbrackets
(Figure27).
3.Toremovethepivotbrackets,removethecarriage
boltsandnuts(
Figure27).
4.Installthepivotbracketsontopofthedischarge
openingwiththecarriageboltsandnuts.Thehead
ofthecarriageboltsmustbeontheinsideofthe
cuttingunit.
Figure27
1.Bolt3.Pivotbrackets
2.Locknuts
4.Spring
5.Positionthedeectormountsonthepivotbrackets
andsecurethepartstogetherwiththebolts,locknuts,
andsprings.Bothlocknutsmustfaceeachother.
Tightenthelocknutsuntiltheyareushagainstthe
deectorpivots.
6.Liftthedeectorandallowittodroptocheckthe
springtension.Thedeectormustbeheldrmlyin
thefulldownwardpositionbythespringtension.
Correctitifnecessary.
AdjustingtheIdlerPulley
Theidlerpulleyappliesforceagainstthebeltsothat
powercanbetransmittedtothebladepulleys.Ifthe
idlerisnottensionedagainstthebeltwithsufcient
force,maximumpowerwillnotbetransmittedtothe
pulleys.Initialtensiononanewbeltrequires25to30
ft-lb(34to41N-m)oftorqueonthelargenut,which
appliesforceagainstthebelt.Asthebeltwearsand
loosens,20to25ft-lb(27to34N-m)oftorqueonthe
largenutisrequired.Iftheidlerisnotadjustedtothese
specications,anadjustmentisnecessary.
1.Positionthemachineonalevelsurface,lowerthe
cuttingunit,engagetheparkingbrake,putthe
tractionpedalinneutral,thePTOleverintheOff
position,shuttheengineoff,andremovetheignition
key.
2.Releasethelatchandloosentheboltsecuringthe
centercover.
3.Removethecentercoverfromthetopofthecutting
unit.
4.Loosenthe2nutssecuringtheidlerplateinplace.
Usingasocketandtorquewrench,tightentheidler
adjustingnutto25-30ft-lb(24-41N-m)(
Figure28).
Figure28
1.Idlerplate3.Idleradjustment
2.Nuts(2)
5.Holdthetorqueagainstthebeltandtightenthe2
nutssothattheidlerplateisheldsecurelyinplace.
Releasetheidleradjustingnut.
6.Installthecovertothetopofthecuttingunit.
7.Engagethelatchandtightenthebolttothesecure
thecover.
ReplacingtheDriveBelt
Thebladedrivebelt,tensionedbytheadjustableidler,
isverydurable.However,aftermanyhoursofuse,the
beltwillshowsignsofwear.Signsofawornbeltare:
20