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. See Figure 18 To remove the mower blade,

 

 

 

 

 

 

 

 

 

 

wedge a wooden block between the mower blade

 

 

 

 

 

 

 

 

and the mower deck housing to keep the mower

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

blade from turning, then remove the mower blade

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

and the mower blade retaining hardware.

 

 

 

 

 

 

 

 

 

 

 

 

Figure 18. Loosening the Mower Blade for

 

 

 

 

Inspecting the Mower Blades

 

 

Removal

 

 

 

 

 

 

 

DANGER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

 

 

A

Avoid injury! A worn or damaged blade can

 

 

 

 

 

 

 

 

 

 

break, and a piece of the mower blade could be

 

 

 

 

 

 

 

 

 

 

thrown into the operator’s or bystander’s area,

 

 

 

 

 

 

 

 

 

 

 

Reproduction

resulting in serious personal injury or death.

for

 

 

 

 

 

 

 

• Inspect the mower blade every 25 hours or at

 

 

 

 

 

 

 

 

least once a year.

Not

 

 

 

 

 

 

 

 

• If the mower blade hits a solid objec , s op

 

 

 

 

 

 

 

 

 

 

the engine immediately and inspect the mower

 

C

A

blade.

 

 

 

 

 

 

 

 

 

 

 

• Never weld or straighten bent m wer blades.

D

 

 

 

 

 

 

 

1. Remove the mower blade from the unit. See

 

 

 

 

 

 

 

 

 

 

Removing the Blade.

 

 

 

 

 

 

 

 

 

 

 

2. Inspect the mower blade (Figures 19 & 20).

 

 

 

 

 

 

 

 

 

 

Discard the mower blade if it has any of the

 

 

 

 

 

 

 

 

 

 

below conditions.

 

 

 

 

 

 

 

 

 

 

 

A.) Has more than .5” (12,7 mm) of the mow r

 

 

C

 

 

 

 

 

 

 

blade metal removed from previous sharp ning or

 

 

 

 

 

 

 

 

Figure 19. inspecting the Mower Blade Tips

wear (D, Figure 18).

 

 

 

 

 

 

A. Mower Blade Cutting Edge

B.) The air lifts are excessively eroded (B & C,

 

 

 

 

B. Square Corner

 

 

 

 

 

Figure 20) and the notch (C) is .25” (6,35 mm)

 

 

 

 

 

 

 

 

 

C. Air Lift

 

 

 

 

 

 

 

deep or greater.

 

 

 

 

 

 

 

 

 

 

 

 

 

D. Wear Measurement - DISCARD Mower Blade If

 

 

 

 

C.) Mower blade is bent or broken.

 

 

greater than .5” (12,7 mm)

3.If the cutting edges are not sharp or have nicks, sharpen the blades. See Sharpening the Mower Blades.

A B

Figure 20. 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.)

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