Poulan PPBV25 Owner Manual - Page 10

ments will need to be made periodically to properly maintain your unit. CHECK FOR LOOSE FASTENERS AND PARTS S Muffler S Spark Plug Boot S Air Filter S Housing Screws CHECK FOR DAMAGED OR WORN PARTS Contact an authorized service dealer for re- placement of damaged or worn parts. S Fuel Tank -- Do not use unit if fuel tank shows signs of damage or leaks. S Vacuum Bag -- Do not use vacuum bag if it is torn or damaged. INSPECT AND CLEAN UNIT AND DECALS S After each use, inspect complete unit for loose or damaged parts. Clean the unit and decals using a damp cloth with a mild deter- gent. S Wipe off unit with a clean dry cloth. CLEAN AIR FILTER A dirty air filter decreases engine perform- ance and increases fuel consumption and harmful emissions. Always clean or replace air filter after every 5 hours of operation or yearly, whichever comes first. Air Filter Button Cover 2. Remove spark plug from cylinder and discard. 3. Replace with Champion RCJ-6Y spark plug and tighten securely with a 3/4 inch (19 mm) socket wrench. 4. Reinstall the spark plug boot. REPLACE FUEL FILTER To replace fuel filter, drain unit by running it dry of fuel, then remove fuel cap/retainer assembly from tank. Pull filter from tank and remove it from the fuel line. Install new fuel filter on fuel line; reinstall parts. Fuel Filter Fuel Line CHECK MUFFLER MOUNTING SCREWS Once each year, ensure muffler mounting screws are tightened securely to prevent damage. Air Filter Cleaning the air filter: 1. Clean the cover and the area around it to keep debris from falling into the carburetor chamber when the cover is removed. NOTE: Move choke lever to RUN position before opening air filter cover. 2. Open air filter cover by pushing button (see illustration). Remove air filter. NOTE: Do not clean filter in gasoline or other flammable solvent. Doing so can create a fire hazard or produce harmful evaporative emissions. 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. REPLACE SPARK PLUG Replace spark plug each year to ensure the engine starts easier and runs better. Set spark plug gap at 0.025 inch (0.6 mm). Ignition timing is fixed, nonadjustable. NOTE: This spark ignition system complies with the Canadian standard ICES--002. 1. Twist, then pull off spark plug boot. Muffler Mounting Screw MUFFLER AND SPARK ARRESTING SCREEN WARNING: The muffler on this prod- uct contains chemicals known to the State of California to cause cancer. NOTE: THE SPARK ARRESTING SCREEN ON THIS UNIT IS NOT SERVICEABLE. For normal homeowner use, the muffler and spark arresting screen will not require replacement. After 50 hours of use, we recommend that your muffler be replaced by your authorized service dealer. CARBURETOR IDLE SPEED ADJUSTMENT The carburetor has been carefully set at the factory. Adjustments may be necessary if you notice any of the following conditions: S Engine will not idle when the throttle is re- leased. To adjust idle speed: Allow engine to idle. Adjust speed until engine runs without stalling (idle speed too slow). S Turn idle speed screw clockwise to in- crease engine speed if engine stalls or dies. S Turn idle speed screw counterclockwise to decrease engine speed. -- 10 --