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.
Figure 37
Toproperlysharpenthe cuttingblades,removeequalamounts
of metalfrom bothends of the bladesalongthecuttingedges,
parallelto the trailingedge,at a 250.to 300angle.Alwaysgrind
eachcuttingbladeedge equallyto maintainproperbladebalance.
SeeFig. 38.
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Figure 38
J
If thecuttingedge of the blade haspreviouslybeensharpened,or if
anymetalseparationis present,replacethe bladeswithnewones.
A poorlybalancedbladewill causeexcessivevibration,maycause
damageto the tractorand/orresult in personalinjury.
5. Testthe blade'sbalanceusing a bladebalancer.Grindmetal
fromthe heavy sideuntil it balancesevenly.
NOTE: Whenreplacingthe blade,besureto installthe bladewiththe
sideof the blademarked"Bottom" (or with a part numberstampedin
it) facingthe groundwhenthe moweris in theoperatingposition.
Useatorquewrenchto tightenthe bladespindlehex flangenutto
between70 Ibsift and 90 Ibsift.
ADJUSTMENTS
Neverattemptto makeanyadjustmentswhilethe engineis running,
exceptwherespecifiedin the operator'smanual.
Leveling the Deck
NOTE: Checkthe tractor'stire pressurebeforeperformingany deck
levelingadjustments.Referto Tires,in this ServiceAnd Maintenance
sectionfor moreinformationregardingtire pressure.
Front To Rear
Itis possibleto adjustthepitch of the cuttingdeck.The frontof the
deckshouldbe between0" (level)and K" lowerthanthe rear of the
deck. Adjustif necessaryasfollows:
1. Withthe tractorparkedona firm, levelsurface,placethe leverfor
liftingthe cuttingdeckintothe middleposition(3) and rotatethe
bladeso thatit is alignedwith the frontand rearof the tractor.
2. Measurethedistancefromthe front of the bladetip to the ground
andthe rearof the bladetip to theground.Thefirst measurement
takenshouldbe between0" (level)andK" lessthan the second
measurement.Determinethe approximatedistancenecessaryfor
properadjustmentand proceed,if necessary,to the nextstep.
3. Locatethe flangelocknut on the frontendof the PTOLift Rod.
See Fig.39.
• Tightenthe flangelocknut to raisethe frontof the deck;
• Loosentheflangelock nutto lowerthe frontof thedeck.
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Figure39
Steering Adjustment
Ifthe tractorturnstighterin one directionthanthe other,or ifthe front
tie rod is being replaceddue to damageor wear,the steeringneedsto
be adjusted.
To Adjust the toe in/out of the front wheels:
1. Removethe bow-tieclip securingthe tie-rodferruleto the right
frontaxle assembly,and dropthetie-roddownto adjust.See Fig.
40.
28
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