Ryobi RY4CCS User Manual - Page 12

OPERATION WARNING: Do not allow familiarity with this product to make you careless. Remember that a careless fraction of a second is sufficient to inflict serious injury. WARNING: Always wear eye protection with side shields marked to comply with ANSI Z87.1, along with hearing protection. Failure to do so could result in objects being thrown into your eyes and other possible serious injuries. WARNING: Never use blades, flailing devices, wire, or rope on this product. Do not use any attachments or accessories not recommended by the manufacturer of this product. The use of attachments or accessories not recommended can result in serious personal injury. NOTICE: The spark arrestor on this product has not been evaluated by the USDA Forest Service and cannot be used on U.S. forest lands. In addition, product users must comply with Federal, State, and local fire prevention regulations. Check with appropriate authorities. Contact customer service or a qualified service center to purchase a replacement spark arrestor. NOTICE: Before each use, inspect the entire product for damaged, missing, or loose parts such as screws, nuts, bolts, caps, etc. Tighten securely all fasteners and caps and do not operate this product until all missing or damaged parts are replaced. Please contact customer service or a qualified service center for assistance. ETHANOL-BLENDED FUELS NOTICE: Do not use E15 or E85 fuel in this product. It is a violation of federal law and will damage the unit and void your warranty. Only use unleaded gasoline containing up to 10% ethanol. FUELING AND REFUELING THE TRIMMER WARNING: Gasoline and its vapors are highly flammable and explosive. To prevent serious personal injury and property damage, handle it with care. Keep away from ignition sources and open flames, handle outdoors only, do not smoke and wipe up spills immediately.  Clean surface around fuel cap to prevent contamination.  Loosen fuel cap slowly by turning counterclockwise. Rest the cap on a clean surface.  Carefully pour fuel into the tank. Avoid spillage.  Prior to replacing the fuel cap, clean and inspect the gasket.  Immediately replace fuel cap and hand tighten by turning it clockwise. Wipe up any fuel spillage. NOTE: It is normal for smoke to be emitted from a new engine after first use. WARNING: Always shut off engine before fueling. Never remove fuel cap or add fuel to a machine with a running or hot engine. Make sure the unit is sitting on a flat, level surface and only add fuel outdoors. If the engine is hot, let the unit cool for at least five minutes before adding fuel. After fueling, immediately replace fuel cap and tighten securely. Move at least 30 ft. from refueling site before starting engine. Do not smoke and stay away from open flames and sparks! Failure to follow these instructions could result in a fire and cause serious personal injury. ADDING/CHECKING ENGINE LUBRICANT See Figure 7. NOTICE: Attempting to start the engine before it has been properly filled with lubricant will result in equipment failure. Engine lubricant has a major influence on engine performance and service life. This unit is shipped with a 20W50 engine lubricant to assist in the break-in period. For best operating performance, continuing to use 20W50 engine lubricant is recommended, however, SAE 30, 10W30, or 10W40 are all acceptable lubricants to use in this product. Always use a 4-stroke engine lubricant that meets or exceeds the requirements for API service classification SJ. Check lubricant level before each use. NOTE: Non-detergent or 2-stroke engine lubricants will damage the engine and should not be used. 8 - English