Poulan SM400 User Manual - Page 10

CLEAN AIR FILTER Air Filter Cover 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 Line Air Filter Screws Cleaning the air filter: A dirty air filter decreases engine performance and increases fuel consumption and harmful emissions. Always clean or replace air filter after every 5 hours of operation or yearly, whichever comes first. 1. Clean the cover and the area around it to keep debris from falling into the carburetor chamber when the cover is removed. 2. Remove parts as illustrated. 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. Ignition timing is fixed, nonadjustable. 1. Twist, then pull off spark plug boot. 2. Remove spark plug from cylinder and dis- card. 3. Replace with Champion RCJ-6Y spark plug and tighten securely with a 3/4 inch socket wrench. 4. Reinstall the spark plug boot. Fuel Filter CHECK MUFFLER MOUNTING SCREWS Once each year, ensure muffler mounting screws are secure and tightened properly to prevent damage. Mounting Screw Muffler Cover Holes Screws 1. Loosen and remove the 2 screws from the muffler cover. 2. Remove the muffler cover. 3. Tighten the 2 muffler mounting screws se- curely. 4. Reinstall muffler cover and 2 screws. Tighten securely. CARBURETOR ADJUSTMENTS There is no screw for idle adjustment on your blower. The throttle lever is used to control engine speed. The throttle lever can be placed in one of four positions: STOP, IDLE or , FULL THROTTLE or , and one intermittent position. If your engine will not run properly or you require further assistance, contact an authorized service dealer or call 1--800--554--6723. STORAGE WARNING: Perform the following steps after each use: S Allow engine to cool, and secure the unit before storing or transporting. S Store unit and fuel in a well ventilated area where fuel vapors cannot reach sparks or open flames from water heaters, electric motors or switches, furnaces, etc. S Store unit with all guards in place. Position unit so that any sharp object cannot accidentally cause injury. S Store unit and fuel well out of the reach of children. SEASONAL STORAGE Prepare unit for storage at end of season or if it will not be used for 30 days or more. If your unit is to be stored for a period of time: S Clean the entire unit before lengthy stor- age. S Store in a clean dry area. S Lightly oil external metal surfaces. -- 10 --