Stihl MS 261-MS 261 C Instruction Manual - Page 18
Working Conditions
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English ■ The bumper spike is designed to provide greater control of the chain saw while cutting. If you work without the bumper spike, the chain saw may pull you forward suddenly. This could cause loss of control or, if the tip of the guide bar strikes an object, kickback. - Position the bumper spike against the material you are cutting and use it as a fulcrum. - Always work with the bumper spike to maintain better control of the saw. ■ Applying pressure to the chain saw when reaching the end of a cut may cause the bar and rotating chain to accelerate out of the kerf, go out of control and strike the operator or some other object. To reduce the risk of injury: - Use caution when approaching the end of a cut. - Never put pressure on the chain saw when reaching the end of a cut. - STIHL recommends that first-time chain saw users work under the supervision of an experienced operator. 5.6.4 Working Conditions WARNING ■ Operate your chain saw only under good visibility during favorable daylight conditions. - Postpone the work if the weather is windy, foggy, rainy or inclement. - Never cut near power lines. ■ Your chain saw is a one-person machine. - Do not allow other persons in the general work area. - Bystanders, especially children, and animals should not be allowed in the area where it is in use. - Shut off the engine immediately if you are approached. Engage the chain brake. 5 IMPORTANT SAFETY INSTRUCTIONS ■ To reduce the risk of injury to bystanders and unauthorized users: - Never leave the chain saw unattended when the engine is running. - Shut off the engine and engage the chain brake during work breaks and any other time the chain saw is not in use. ■ To reduce the risk of fire and explosion: - Never operate the chain saw in a location where combustible gases, liquids, vapors, dusts or other combustible materials and substances are present. - Always move the Master Control Lever to stop position 0 before pulling the starter grip if the spark plug boot has been removed. - Read and follow recommendations issued by government authorities for identifying and avoiding the hazards of combustible gases, liquids, vapors, dusts or other combustible materials and substances. - Never modify the chain saw muffler or spark arresting screen. ■ If a rotating chain strikes a rock or other hard object, sparks may be created, which can ignite flammable materials under certain circumstances. Flammable materials can include dry vegetation and brush, particularly when weather conditions are hot and dry. - When there is a risk of fire or wildfire, do not use your chain saw around flammable materials or around dry vegetation or brush. - Contact your local fire authorities or the U.S. Forest Service if you have any question about whether vegetation and weather conditions are suitable for the use of a chain saw. ■ As soon as the engine is running, it generates toxic exhaust gases containing chemicals, such as unburned hydrocarbons (including benzene) and carbon monoxide, that are known to cause respiratory problems, cancer, birth defects, or other reproductive harm. Some of the 16 0458-573-8621-D