Ryobi RY3716 Operation Manual - Page 26

MAINTENANCE Normal maintenance, replacement or repair of emission control devices and systems may be performed by any qualified repair establishment or individual with original or equivalent parts. Warranty and recall repairs must be performed by an authorized service center; please contact customer service for assistance. WARNING: Make sure the on/stop switch is in the ­ STOP " " position and the chain has stopped before performing any maintenance on the saw. Failure to do so can result in serious personal injuries. WARNING: Muffler surfaces are very hot during and after operation of the chain saw; keep all body parts away from the muffler. Serious burns can occur if contact is made with the muffler. WARNING: When servicing, use only recommended or equivalent replacement parts. Use of any other parts may create a hazard or cause product damage. WARNING: Aways wear eye protection with side shields marked to comply with ANSI Z87.1, along with hearing and head protection. Failure to do so could result in objects being thrown into your eyes and other possible serious injuries. NOTICE: Periodically 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. GENERAL MAINTENANCE Avoid using solvents when cleaning plastic parts. Most plastics are susceptible to damage from various types of commercial solvents and may be damaged by their use. Use clean cloths to remove dirt, dust, lubricant, grease, etc. WARNING: Do not at any time let brake fluids, gasoline, petroleum-based products, penetrating oils, etc., come in contact with plastic parts. Chemicals can damage, weaken or destroy plastic which may result in serious personal injury. REPLACING THE GUIDE BAR AND CHAIN See Figures 33 - 42. DANGER: Never start the engine before installing the guide bar, chain, drivecase cover, and clutch drum. Without all these parts in place, the clutch can fly off or explode, exposing the user to possible death or serious injury. WARNING: To avoid serious personal injury, read and understand all the safety instructions in this section. n Always place the switch in the STOP " " position before you work on the saw. n Make sure the chain brake is not set by pulling the chain brake lever/hand guard towards the front handle to the run position. NOTE: When replacing the guide bar and chain, always use the specified bar and chain listed in the Bar and Chain Combinations section later in this manual. n Wear gloves when handling the chain and bar. These components are sharp and may contain burrs. n Remove the bar mounting nuts using the combination wrench provided. Page 26 - English