Craftsman 900.370520 manual To Replace Blade, To Remove Blade, To Sharpen Blade

Models: 900.370520

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TO REMOVE BLADE

Mulch

Insert

TO REMOVE BLADE

Release Operator Presence Control Switch to turn mower off, wait for the blade to stop, and remove safety key.

Cut a two foot length of 2x4 wood and use it to keep blade from turning while removing blade nut.

Wear gloves, position wood, and loosen nut counterclockwise as shown. Remove

nut.

Remove square steel washer, plastic insulator washer and blade.

TO REPLACE BLADE

Place blade on shaft so that the blade edges are parallel with the flat sides of the shaft. Make sure you place the blade so that its cutting edges will face the ground when the mower is running.

Place plastic insulator washer on shaft so that two of the washer's raised edges fit over the edges of the blade.

,.Place square steel washer on shaft so that flat sides of hole in washer are par- allel with flat sides of shaft.

Place blade nut on shaft. Make sure all parts stay aligned. Position wood to keep

shaft from turning. Securely tighten blade nut clockwise to 20-30 ft. Ibs.

TO SHARPEN BLADE

" l-ltte

Keep blade sharp for best mower perfor- mance. A dull blade does not cut grass evenly.

° Wear proper eye protection.

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Craftsman 900.370520 manual To Replace Blade, To Remove Blade, To Sharpen Blade