RegularMaintenance
ServicingThe Mower Blades
Removingthe Mower Blade
ACAUTION
Avoidinjury! Mower bladesare sharp.
• Alwayswear gloveswhen handlingmower blades or
workingnear blades.
1. To removethe mower blade,use a 1" wrench on the
flats of the spindle shaft and remove the mower blade
mounting bolt with a 15/16" wrench (Figure 27).
2. If there are no flats on the spindle shaft, wedgea
wooden block betweenthe mower blade andthe mower
deck housing to keepthe mower bladefrom turning.
Inspectingthe MowerBlades
ADANGER
Avoidinjury! A worn or damagedbladecanbreak, and
a pieceof the mowerbladecouldbe thrownintothe
operator'sor bystander'sarea, resultingin serious
personalinjuryor death.
• Inspectthe mowerblade every 25 hoursor at least
oncea year.
• If the mower blade hitsa solid object, stopthe
engine immediatelyand inspectthe mower blade.
• Neverweld or straightenbentmower blades.
1. Removethe mower bladefrom the unit. SeeRemoving
the Blade.
2. Inspect the mower blade (Figures 28 & 29). Discardthe
mowerblade if it hasany ofthe below conditions.
A.) Has more than .5" (12,7 mm) of the mower blade
metal removed from previous sharpening or wear (D,
Figure28).
B.)The air lifts are excessivelyeroded (B & C, Figure
29) andthe notch (C) is .25" (6,35 mm) deep or greater.
C.) Mower blade is bent or broken.
3. If the cutting edges are not sharp or have nicks, sharpen
the blades. SeeSharpeningthe Mower Blades.
Figure27. Loosening theMower Blade for Removal
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Figure28. inspecting the Mower Blade Tips
A. Mower BladeCutting Edge
B. SquareComer
C. Air Lift
D. Wear Measurement - DISCARDMower BladeIf greater
than .5" (12,7 mm)
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Figure29. inspecting the Mower BladeAir Lifts
A. New Mower Blade
B. Mower Bladeat WearLimit (A notch begins to form)
C. Mower Bladein Dangerous Condition (Notch measures .25" (6,35 mm) or greater DO NOTUSE.Replacewith new mower
blade.)
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