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Toremovethe blades,proceedasfollows:
1. Removethedeckfrom beneaththe tractor,(referto CuttingDeckRemoval
earlierin thissection)thengentlyflip thedeckoverto exposeits underside.
2. Placea blockofwoodbetweenthe centerdeckhousingbaffleandthe
cuttingbladeto actasastabilizer.SeeFigure24.
3. Removethehexflangenutthat securesthebladeto the spindleassembly.
F
HexFlangeNut
4.
Figure24
Toproperlysharpenthecutting blades,removeequalamountsof metal
from bothendsof thebladesalongthecuttingedges,parallelto the trailing
edge,ata 25°- to 30°angle.Alwaysgrindeachcuttingbladeedgeequallyto
maintainproperbladebalance.SeeFigure25.
Figure25
If the cutting edgeof theblade haspreviouslybeensharpened,or if any
metal separationispresent,replacethe bladeswith new ones.
5. Testthe blade'sbalanceusinga bladebalancer.Grindmetalfrom the
heavysideuntil it balancesevenly.
NOTE:Whenreplacingtheblade,besureto installthe bladewith the sideofthe
blademarked"Bottom" (orwith apartnumberstampedinit)facingtheground
whenthe mowerisintheoperatingposition.
Useatorque wrench to tighten the bladespindlehex flange nut to between
70 Ibs-ft and 90 Ibs-ft.
Changingthe DeckBelt
Besureto shutthe engineoff, removeignitionkey,disconnectthe spark
plugwire(s)and groundagainst the engineto prevent unintendedstarting
_beforeremovng the be t.
All belts on yourtractor aresubjectto wear andshouldbe replacedif any
signsof wear arepresent.
IM PORTANT: TheV-beltfoundon yourtractorisspeciallydesignedto engage
anddisengagesafely.Asubstitute(non-OEM)V-beltcanbedangerousbynot
disengagingcompletely.Foraproperworkingmachine,useidenticalequipment
beltsaslistedinthepartspagesof thisOperator'sManual.
Tochangeorreplacethedeckbelton yourtractor,proceedasfollows:
Removethedeckasinstructedearlierinthissection.
1. Removethebeltcoversfrom the spindlepulleysbyremovingthehexscrews
that fastenthecoverstothedeck.SeeFigure26.
2. It mayalsobe necessaryto loosenthe hexnut on the left deckidler pulleyto
getthe belt offthe pulleyandaroundthebeltguard.
3. Carefullyremovethe deckbelt fromaroundthetwo spindlepulleysandthe
two deckidlerpulleys.SeeFigure26.
4. Toplacethenewbelt,beginbyroutingthebelt aroundthetwo outerspindle
pulleysasshownin Figure26.
5. Thenroutethebelt aroundthetwo deckidlerpulleysasshownin Figure26.
6. Retightenthebeltkeeperrodloosenedearlier.
7. Remountthebelt guardsremovedearlier.
8. Re-installthedeck,makingsurethe belt remainsroutedaroundthepulleys
asinstructed.Thecompletebelt routingisshownin Figure26.
9. Pulltherightsideof the belt,andplacethenarrowVsideof thebelt into the
PTOpulley.
10. Whileholdingthe beltandpulleytogether,rotatethepulleyto theleft.
Continueholdingandrotatingthepulleyandbeltuntil the belt isfully rolled
into the PTOpulley.
Apoorly balancedbladewill causeexcessivevibration, may causedamageto
thetractor and/or result inpersonalinjury.
25
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