Ryobi RY903600 User Manual 5 - Page 19

OPERATION HIGH ALTITUDE OPERATION Specific modifications are needed for high-altitude operation for equipment operating in altitudes greater than 5000 feet above sea level. Please contact your authorized service cen- ter for important information regarding these modifications. Operating this engine without the proper altitude modification may increase the engine's emissions and decrease fuel economy and performance. MAINTENANCE n Remove the air filter. WARNING: n Wash the air filter with warm, soapy water. Rinse and When servicing, use only identical replacement parts. Use of any other parts could create a hazard or cause squeeze to dry. n Reinstall the air filter. product damage. NOTE: Make sure the filter is seated properly inside the generator. Installing the filter incorrectly will allow dirt to WARNING: enter the engine, causing rapid engine wear. n Reinstall the air filter cover by aligniing the tabs on the Before inspecting, cleaning, or servicing the machine, shut off engine, wait for all moving parts to stop, and disconnect spark plug wire and move it away from cover with the slots in the generator housing. n Replace the engine maintenance cover and reinstall the screw to secure. spark plug. Allow 30 minutes of cool down time before performing any maintenance. Failure to follow these instructions can result in serious personal injury or property damage. CHANGING ENGINE LUBRICANT See Figure 14. n Loosen the screw at the top of the engine maintenance cover. Remove cover and set aside. 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 call 1-800-860-4050 or contact an n Remove the oil fill cap/dipstick. n Tilt the generator to the side and allow lubricant to drain from the oil fill hole into an approved container. NOTE: Drain the lubricant while the engine is still warm but not hot. Warm lubricant will drain quickly and more completely. authorized service center for assistance. WARNING: GENERAL MAINTENANCE Do not change engine lubricant while it is hot. Accidental Keep the generator in a clean and dry environment where it contact with hot engine lubricant could result in serious is not exposed to dust, dirt, moisture, or corrosive vapors. burns. Do not allow the cooling air slots in the generator to become clogged with foreign material such as leaves, etc. Do not use a garden hose to clean the generator. Water entering the fuel system or other internal parts of the unit can cause problems that will decrease the life of the generator. To clean the unit: n Use a soft bristle brush and/or vacuum cleaner to loosen and remove dirt and debris. n Clean air vents with low pressure air that does not exceed 25 psi. n Wipe the exterior surfaces of the generator with a damp cloth. CHECKING/CLEANING AIR FILTER See Figure 13. For proper performance and long life, keep air filter clean. n Return the generator to an upright position and refill with lubricant following the instructions in the Checking/ Adding Lubricant section previously in this manual. For amount of lubricant needed to refill, see Product Specifications earlier in this manual or the accompanying engine manual, if applicable. n Replace and secure the oil cap/dipstick. n Replace the engine maintenance cover and reinstall the screw to secure. NOTE: Consult hazardous waste management guidelines in your area for the proper way to dispose of used lubricant. SPARK PLUG REPLACEMENT See Figure 15. n Loosen the screw at the top of the engine maintenance The spark plug must be properly gapped and free of deposits cover. Remove cover and set aside. in order to ensure proper engine operation. To check: n Depress tabs on top and bottom of air filter cover. Remove n Remove the spark plug cover. cover and set aside. n Remove the spark plug cap. 15 - English