Cub Cadet 440 Manuel de l'opérateur télécharger pdf (Page 23)

DANGER: Proper torque must be used when tightening the blade retaining bolt. If

these safety precautions are not followed, the blade could come off during

operation and be thrown hundreds of feet from the mower.

Sharpening Blades

Blade sharpening is extremely important in order to get the best cutting results. Sharp

blades permit a high quality cut and also reduces HP thus lowering cost.

To sharpen blades, first remove them following the above instructions.

Place the blade in a vise and sharpen them by using a hand file or grinder. Do not

sharpen the blades to a sharp cutting edge. The cutting edge should be between

" to prevent excessive pitting and dulling of the blades. Sharpen both ends of the

blade equally for balance and always maintain corners. Always keep all three blades

sharpened equally in order to maintain balance.

CAUTION: Unbalanced or warped blades can cause damage to the mower and/or

personal injury. Replace damaged blades before operating the mower. Sharpen

both ends of the mower blades equally or until the blade is balanced.

4.04 - Belt Tension

Belt tension control

Check the belt tension by applying a force of 12-15 lb. pushing against the belt halfway

between the pulleys. The belt deflection should be between

Belt tension adjustment

The finishing mower has an automatic belt tensioner. The tension is created by a spring

connecting a tensioner pulley to a fixed hitch plate with 3 positions (see fig. 13). Upon

FM48/FM60/FM72 OPERATOR’S MANUAL

MAINTENANCE 23 CUB CADET YANMAR

Fig. 12

1. spindle

2. blade

3. blade bolt

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 51 52

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Cub Cadet 440 Manuel de l'opérateur Page 23