Troy-Bilt TB110 Operation Manual - Page 17

Service 7 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 boot from spark plug. Turn mower on its side making sure that the air filter and the carburetor are facing up (not pointed toward the ground). 2. Remove the bolt and the blade bell support which hold the blade and the blade adapter to the engine crankshaft. See Figure 7-1. 6. Place blade bell support on the blade. Align notches on the blade bell support with small holes in blade. 7. 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. 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. • Coat mower's cutting blade with chassis grease to prevent rusting. • Refer to engine manual for correct engine storage instructions. • If applicable, secure side discharge chute to handle as shown in Figure 7-2. Blade Adapter Blade Blade Bell Support Bolt Figure 7-1 3. Remove blade and adapter from the crankshaft. 4. Remove blade from the adapter for testing balance. Balance the blade on a round shaft screwdriver to check. Remove metal from the heavy side until it balances evenly. Figure 7-2 When sharpening the blade, follow the original angle of • Store mower in a dry, clean area. Do not store next to grind. Grind each cutting edge equally to keep the blade corrosive materials, such as fertilizer. balanced. When storing any type of power equipment in a poorly WARNING: An unbalanced blade will cause ventilated or metal storage shed, care should be taken to excessive vibration when rotating at high speeds. It rust-proof the equipment. Using a light oil or silicone, coat the may cause damage to mower and could break equipment, especially cables and all moving parts of your lawn causing personal injury. mower before storage. 5. Lubricate the engine crankshaft and the inner surface of the blade adapter with light oil. Slide the blade adapter onto the engine crankshaft. 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. See Figure 7-1 inset. 17