Cub Cadet SC 100 SC 100 Operator's 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. 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. Blade Adapter 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. • Secure side discharge chute to handle as shown in Figure 7-2. Blade Blade Bell Support Bolt Figure 7-1 3. Remove blade from the adapter for testing balance. 4. Balance the blade on a round shaft screwdriver to check. Remove metal from the heavy side until it balances evenly. When sharpening the blade, follow the original angle of grind. Grind each cutting edge equally to keep the blade • balanced. Figure 7-2 Store mower in a dry, clean area. Do not store next to corrosive materials, such as fertilizer. WARNING: An unbalanced blade will cause When storing any type of power equipment in a poorly excessive vibration when rotating at high speeds. It ventilated or metal storage shed, care should be taken to may cause damage to mower and could break rust-proof the equipment. Using a light oil or silicone, coat the causing personal injury. equipment, especially cables and all moving parts of your lawn 5. Place the blade on the adapter such that the side of the mower before storage. 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