Regular Maintenance
Servicing The Mower Blades
Removing the Mower Blade
CAUTIONAvoid injury! Mower blades are sharp.
Always wear gloves when handling mower blades or working near blades.
1. To remove the 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 14).
2. | If there are no flats on the spindle shaft, wedge a |
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| Figure 14. | Loosening the Mower Blade for Removal | |||||||
| wooden block between the mower blade and the | mower |
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| deck housing to keep the mower blade from turning. |
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Inspecting the Mower Blades |
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1. Remove the mower blade from the unit. See |
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| Removing the Blade. |
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| DANGER | ReproductionC. Air Lift | ||||||||||
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| Avoid injury! A worn or damaged blade |
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| can break, and a piece of the mower |
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| blade could be thrown into the opera or’s |
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| or bystander’s area, resulting in serious |
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| personal injury or death. |
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• | Inspect the mower blade every 25 hours or at least | nce |
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| a year. |
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• | If the mower blade hits a solid object, stop the engine |
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| immediately and inspect the mower blades.Not |
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• | Never weld or straighten bent mower blades. |
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2. Inspect the mower blade (Figures 15 & 16). Discard the |
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| mower blade if it has any of the below conditions. |
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| A.) Has more than .5” (12,7 mm) of the mow r blade |
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| Figure 15. | inspecting the Mower Blade Tips | |||||||||
| metal removed from previous sharpening or wear (D, |
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| Figure 15). |
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| A. Mower Blade Cutting Edge | |||||||
B.) The air lifts are excessively eroded (B & C, Figure
B. Square Corner
16) and the 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. See Sharpening the Mower Blades.
C
A
Figure 16. inspecting the Mower Blade Air Lifts
A.New Mower Blade
B.Mower Blade at Wear Limit (A notch begins to form)
C.Mower Blade in Dangerous Condition (Notch measures .25” (6,35 mm) or greater DO NOT USE.)
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