Ariens HVZ 915085-2350 Service Manual download pdf (Page 21)

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6.1 REPLACING MOWER BLADE

Remove (Figure 16)

1. Block mower blades (5) to prevent rotation.

2. Remove mounting hardware and mower blades

from mower deck.

Install

1. Install mower blades (5) to spindles (1) on mower

deck with mounting hardware.

2. Torque 3/8-inch hex bolt (4) to 80 to 120 lbf-ft (108

to 163 N·m).

Figure 16

6.2 SHARPENING MOWER BLADE

CAUTION: DO NOT sharpen mower blade while on

unit. An unbalanced mower blade will cause excessive

vibration and eventual damage to unit. Check mower

blade balance prior to reinstalling mower blades.

NEVER weld or straighten mower blades.

1. Remove mower blade from unit (see Replacing

Mower Blade).

Ariens recommends having mower blades sharpened

by a professional. Contact your Ariens dealer.

Discard mower blade if (Figure 17):

• More than 1/2 in. (1.27 cm) of metal is removed.

• The air lift erosion area is eroded.

• The mower blade is bent or broken.

Do not change angle of cutting edge or round the

corner at the end of mower blade.

2. Sharpen mower blade by removing an equal

amount of material from each end of mower blade.

3. Check mower blade balance by sliding mower

blade on round rod. If blade is balanced, it should

remain in a horizontal position. If either end of

mower blade moves downward, sharpen the heavy

end until mower blade is balanced.

4. Install mower blade on unit (see Replacing Mower

Blade).

Figure 17

SECTION 6 - MOWER DECK

CAUTION: Mower blades are sharp and can

cut you. Wrap the blades or wear gloves, and

use extra caution when servicing them.

OE0039

1. Spindle Assembly

2. Flat Washer

3. Bevel Washer

4. 3/8-inch Hex Bolt

5. Mower Blade

DO NOT Sharpen to this Pattern

Sharpen to this Pattern

Discard if more

than 1/2 in.

(1.27 cm)

1. Air Lift Erosion Area

2. Cutting Edge

OE0052

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