Blade Care
WARNING: When removing the cutting blade for sharpening or replacement, protect your hands with a pair of heavy gloves or use a heavy rag to hold the blade.
Periodically inspect the blade adapter for cracks, especially if you strike a foreign object. Replace when necessary. Follow the steps below for blade service.
1.Disconnect spark plug wire from spark plug. Turn mower on its side making sure that the air filter and the carburetor are facing up.
2.Remove the bolt and the blade bell support which hold the blade and the blade adapter to the engine crankshaft, Figure
3.Remove blade and adapter from the crankshaft, Figure
4.The blade can be sharpened with a file or on a grind- ing wheel. Do not attempt to sharpen the blade while it is still on the mower.
When sharpening the blade, follow the original angle of grind. Grind each cutting edge equally to keep the blade balanced.
5.To test for balance, remove blade and balance on a round shaft screwdriver. Remove metal from the heavy side until it balances evenly.
WARNING: An unbalanced blade will cause excessive vibration when rotating at high speeds. It may cause damage to mower and could break causing personal injury.
Figure
5
Maintaining
Your Lawn
Mower
WARNING
When removing the cutting blade for sharpening or replacement, protect your hands with a pair of heavy gloves or use a heavy rag to hold the blade.
6.Lubricate the engine crankshaft and the inner surface of the blade adapter with light oil. Slide the blade adapter onto the engine crankshaft.
7.Place the blade on the adapter such that the side of the blade marked “Bottom” (or with part number) faces the ground when the mower is in the operating position. Make sure that the blade is aligned and seated on the blade adapter flanges.
8.Place blade bell support on the blade. Align notches on the blade bell support with small holes in blade.
9.Replace hex bolt and tighten hex bolt to torque: 450 in. lbs. min., 600 in. lbs. max.
To ensure safe operation of your mower, periodically check the blade bolt for correct torque.
Replacing Rear Flap
1.To remove rear flap, lift rear door, and press flap in on either side to remove from hole. See Figure
2.Remove flap from opposite hole and replace with new flap in the opposite order and manner of removal.
Figure
Off-Season Storage
The following steps should be taken to prepare your lawn mower for storage.
•Clean and lubricate mower thoroughly as described in the lubrication instructions.
•Do not use a pressure washer or garden hose to clean your unit.
•Refer to engine manual for correct engine storage instructions.
•Coat mower’s cutting blade with chassis grease to prevent rusting.
•Store mower in a dry, clean area. Do not store next to corrosive materials, such as fertilizer.
When storing any type of power equipment in a poorly ventilated or metal storage shed, care should be taken to
An unbalanced blade will cause excessive vibration when rotat- ing at high speeds. It may cause damage to mower and could break causing per-
sonal injury.
11
