User manual RYOBI RCS4240B

[. . . ] When properly cared for, it will give you years of rugged, trouble-free performance. Some regions have regulations that restrict the use of the product to some operations. Check with your local authority for advice Safety, performance, and dependability have been given top priority in the design of this product making it easy to maintain and operate. Save this manual for future reference guide bar contact a log, branch, fence, or any other obstruction that could be hit while you are operating the saw. [. . . ] –■ Balance your weight with both feet on solid ground. –■ Keep left arm with elbow locked in a “straight arm” position to withstand any kick-back force. –■ Keep your body to the left of the chain line. –■ Cut only wood or materials made from wood; no sheet metal, no plastics, no masonry, no non-wood building materials. –■ Never allow children to operate your saw. Allow no person to use this chainsaw who has not read this operator’s manual or received adequate instructions for the safe and proper use of this chainsaw. –■ Keep everyone – helpers, bystanders, children, and animals, a safe distance from the cutting area. During felling operations, the safe distance should be at least twice the height of the largest trees in the felling area. During bucking operations, keep a minimum distance of (4. –■ Always cut with both feet on solid ground to prevent being pulled off balance. –■ Do not cut above chest height as a saw held higher is difficult to control against kick-back. –■ Do not fell trees near electrical wires or buildings. –■ Cut only when visibility and light are adequate for you to see clearly. BASIC OPERATING/CUTTING PROCEDURES Practise cutting a few small logs using the following technique to get the “feel” of using your saw before you begin a major sawing operation. –■ Take the proper stance in front of the wood with the saw idling. –■ Accelerate the engine to full throttle just before entering the cut by squeezing the throttle trigger. –■ Begin cutting with the saw against the log. –■ Keep the engine at full throttle the entire time you are 31 cutting. –■ Allow the chain to cut for you; exert only light downward pressure. Forcing the cut could result in damage to the bar, chain, or engine. –■ Release the throttle trigger as soon as the cut is completed, allowing the engine to idle. Running the saw at full throttle without a cutting load may result in unnecessary wear to the chain, bar, and engine. [. . . ] Make sure that the chain tension is correctly adjusted as specified in these instructions. The lubricant pump, bar, or chain may be damaged. inspect guide bar and chain for damage. Inspect the drive sprocket for wear or damage when replacing the chain. [. . . ]