Ariens Pro-24 Brush Cutter Specifications download pdf (Page 16)

GB - 16

Sharpening Mower Blades

1. Remove mower blade from unit. See

Remove Mower Blade on page 15.

Discard mower blade if:

• More than 1/2 in. (1.3 cm) of metal is

removed. See Figure 11.

• Air lifts become eroded.

• Blade is bent or broken.

2. Sharpen mower blade by removing an

equal amount of material from each end

of mower blade. Blade should be

sharpened back at an angle from the

center to the outside tip. DO NOT

change vertical angle of cutting edge or

round corner of mower blade. See

Figure 11.

3. Check mower blade balance. Slide

mower blade on an unthreaded bolt. A

balanced blade should remain in a

horizontal position. If either end of

mower blade moves downward, sharpen

the heavy end until blade is balanced.

See Figure 12.

4. Install mower blade on unit. See Install

Mower Blade on page 15.

5. Tighten mounting bolt to a torque of 187

– 253 lbf-ft (254 – 343 N•m).

CAUTION: DO NOT sharpen

mower blades while on unit. An

imbalanced mower blade will

cause excessive vibration and

eventual damage to unit. Check

mower blade balance before

reinstalling blades.

NEVER weld or straighten bent

blades.

CAUTION: Mower blades are

sharp and can cut you. Wrap the

blades or wear gloves, and use

extra caution when servicing

them.

Figure 11

1. Square Corner

2. Cutting Edge

3. Air Lift

4. Air Lift Erosion

Sharpen to this pattern.

DO NOT sharpen to this pattern.

2

1

3

2

3

4

OT0792

DISCARD If More Than 1/2 in. (1.3 cm)

Figure 12

OA0013

Bolt

Blade

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 35 36

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