MAINTENANCE (TRIMMER ATTACHMENT) Disconnect the spark plug before performing maintenance except for idle speed adjustments. WARNING: repairs other than the recommended maintenance described in the instruction manual performed by an authorized service dealer. If any dealer other than an authorized service dealer performs work on the product, the manufacturer may not pay for repairs under warranty. It is your responsibility to maintain and perform general maintenance. IMPORTANT: Have all HELPFUL TIP 2. Press the tabs on the air filter cover to remove the air filter cover and air filter. NOTE: To avoid creating a fire hazard or producing harmful evaporative emissions, do not clean filter in gasoline or other flammable solvent. 3. Wash the filter in soap and water. 4. Allow filter to dry. 5. Apply a few drops of oil to the filter; squeeze filter to distribute oil. 6. Replace parts. Tabs Air filter CHECK FOR LOOSE FASTENERS AND PARTS S S S S S Spark Plug Boot Air Filter Housing Screws Assist Handle Screw Debris Shield Air filter cover CHECK FOR DAMAGED OR WORN PARTS MUFFLER AND SPARK ARRESTING SCREEN Contact an authorized service dealer for replacement of damaged or worn parts. S ON/STOP Switch - Ensure ON/STOP switch functions properly by pushing and releasing the switch. Make sure engine stops. Wait 5 seconds before attempting to restart unit to allow switch to reset. Restart engine and continue. S Fuel Tank - Discontinue use of unit if fuel tank shows signs of damage or leaks. S Debris Shield - Discontinue use of unit if debris shield is damaged. WARNING: The muffler on this product contains chemicals known to the State of California to cause cancer. As your unit is used, carbon deposits build up on the muffler and spark arresting screen. For normal homeowner use, however, the muffler and spark arresting screen will not require any service. After 50 hours of use, we recommend that your muffler be serviced or replaced by your authorized service dealer. REPLACE SPARK PLUG Replace the spark plug each year to ensure the engine starts easier and runs better. Inspect spark plug every 25 hours of usage. Clean and/or replace as necessary. Set spark plug gap at 0.025 inch (0.6 mm). Ignition timing is fixed and nonadjustable. NOTE: This spark ignition system complies with the Canadian standard ICES-002. 1. Twist, then pull off spark plug boot. 2. Remove spark plug from cylinder and discard. 3. Replace with Champion RCJ-8Y spark plug and tighten securely with a 3/4 inch (19 mm) socket wrench. 4. Reinstall the spark plug boot. INSPECT AND CLEAN UNIT AND LABELS S After each use, inspect complete unit for loose or damaged parts. Clean the unit and labels using a damp cloth with a mild detergent. S Wipe off unit with a clean dry cloth. CLEAN AIR FILTER A dirty air filter decreases engine performance and increases fuel consumption and harmful emissions. Always clean after every 5 hours of operation. 1. Clean the cover and the area around it to keep dirt from falling into the carburetor chamber when the cover is removed. 19