Regular Maintenance
Servicing the Mower Blades
Removing the Mower Blade
CAUTION
Avoid injury. Mower blades are sharp.
• Always wear gloves when handling mower blades or working near blades.
1. To remove the mower blade, wedge a wooden block between the mower blade and the mower deck housing to keep the blade from turning and remove the mower blade mounting bolt with a
15/16” wrench (Figure 33).
Inspecting the Mower Blade
Figure 33. Loosening the Mower Blade for Removal
DANGER |
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Avoid injury. A worn or damaged blade can |
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break, and a piece of the mower blade could be |
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thrown into the operator’s or bystander’s area, |
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resulting in serious personal injury or death. |
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| Reproduction | |||||||
• Inspect the mower blade every 25 hours or at | for |
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least once a year. |
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• If the mower blade hits a solid object, stop |
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the engine immediately and inspect the mower |
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blade. | Not |
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• Never weld or straighten bent mower blades. |
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1. Remove the mower blade from the unit. |
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2. Inspect the mower blade (Figures 34 & 35). |
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Discard the mower blade if it has any of the bel | w |
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conditions: |
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A.) Has more than .5” (12,7 mm) of the mower |
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blade metal removed from previous shar ening or |
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wear (D, Figure 34). |
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B.) The air lifts are excessively erod d (B & C, |
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| Figure 34. Inspecting the Mower Blade Tips | ||||||
Figure 35) and the notch (C) is .25” (6,35 mm) |
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deep or greater. |
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| B. Square Corner |
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C.) Mower blade is bent or broken. |
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| C. Air Lift |
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3. If the cutting edges are not sharp or have nicks, |
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| D. Wear Measurement - DISCARD Mower Blade If | |||||
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sharpen the blades. See SHARPENING THE | greater than .5” (12,7 mm) |
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MOWER BLADES. |
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B
Figure 35. Inspecting the Mower Blade Air Lifts
C
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. Replace with new mower blade.)
36 | www.SnapperPro.com |