Stihl FS 461 C-EM Instruction Manual - Page 24
Using a Grass Cutting Blade, 5.8.4 Using a Brush Knife
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English WARNING ■ To reduce the risk of serious injury: - Never use wire or metal-reinforced line or other material in place of the recommended nylon cutting line. Pieces of wire could break off and be thrown at high speed toward the operator or bystanders. ■ A cracked, damaged or worn out mowing head may shatter at high speeds and cause serious or fatal injury. - Have a cracked, damaged or worn out mowing head replaced immediately, even if damage appears to be limited to superficial cracks. ■ When working close to fences, sides of buildings, tree trunks of other such objects, be alert to an increased possibility of ricochets. - Take care to clear area of all objects and debris before trimming along fences or walls, near tree trunks or other objects that could increase the possibility of injury from the ricochet of thrown objects. 5.8.3 Using a Grass Cutting Blade 5 IMPORTANT SAFETY INSTRUCTIONS - The 4-tooth grass cutting blade is intended to cut grass and weeds. It has 4 cutting knives with cutting edges on both sides, i.e., front and rear. When the cutting edges on one side become dull, the blade can be turned over to utilize the cutting edges on the other side before it is resharpened. - The 8-tooth grass cutting blade is recommended for cutting fern or similar fleshy vegetation. When the cutting edges on one side become dull, the cutting edges have to be resharpened. The blade cannot be turned over to utilize the cutting edges on the other side. WARNING ■ Improper use of a grass cutting blade may cause it to crack, chip or shatter. Thrown blade fragments may seriously or fatally injure the operator or bystanders. To reduce the risk of injury: - Avoid contact with hard or solid foreign objects such as stones, glass, rocks or pieces of metal. - Inspect the grass cutting blade at regular, short intervals for signs of damage. Do not continue working with a damaged grass cutting blade. - Resharpen the grass cutting blade regularly as described on its packaging or instruction leaflet. - Never attempt to cut woody material with the grass cutting blade. 5.8.4 Using a Brush Knife A brush knife is suitable for applications ranging from cutting matted grass to clearing weeds, wild growth and scrub brush. 0000-GXX-3801-A0 ► When working with a grass cutting blade, sweep the trimmer in a controlled manner, parallel to the ground in front of you. To reduce the risk of kickout, use the left side of the cutting blade. All kinds of grass and weeds can be cut with a grass cutting blade. 22 0458-838-8601-A