Poulan 1999-12 User Manual - Page 10
AIR FILTER, CAUTION, Cleaning the air filter, BAR MAINTENANCE, CARBURETOR ADJUSTMENTS, CHAIN
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AIR FILTER CAUTION: Do not clean filter in gasoline or other flammable solvent to avoid creating a fire hazard or producing harmful evaporative emissions. A dirty air filter decreases engine performance and increases fuel consumption and harmful emissions. Always clean after every 5 hours of operation. Cleaning the air filter: S Clean the cover and the area around it to keep dirt and sawdust from falling into the carburetor chamber when the cover is removed. S Remove the parts as illustrated. S Wash the filter in soap and water. S Replace parts. BAR MAINTENANCE If your saw cuts to one side, has to be forced through the cut, or been run with an improper amount of bar lubrication it may be necessary to service your bar. A worn bar will damage your chain and make cutting difficult. Replace your bar if bent or the inside rails of the bar are worn. S Clean the oil holes after each 5 hours of operation S Remove sawdust from bar groove period- ically with a wire or putty knife. Guide Bar Groove Oil Holes CARBURETOR ADJUSTMENTS Carburetor adjustment is critical and if done improperly can permanently damage your unit. We recommend you contact an Authorized Service Dealer for adjustments. IDLE SPEED ADJUSTMENT: Turn the Idle Speed Screw clockwise until it stops. Now turn the screw counterclockwise 4-1/2 turns. This should allow the engine to run without the chain turning. If the chain moves at idle speed, do not use your unit. Contact an Authorized Service Dealer. Idle speed is correct when engine runs without stalling and chain does not turn. MIXTURE ADJUSTMENTS: If your carburetor includes limiter caps (Plastic caps on the mixture screws) , do not force the screws beyond the stops of the limiter caps or damage will occur. Do not remove these caps. Small adjustments will affect your unit. Do not adjust more than 1/16th turn without checking performance. CHAIN SHARPENING Chain sharpening is a complicated task that requires special tools. We recommended you refer chain sharpening to a professional chain sharpener IGNITION TIMING Ignition timing is fixed and nonadjustable. SPARK PLUG Replace the spark plug yearly. Gap to .025". STORAGE WARNING: Stop engine and allow to cool, and secure the unit before storing or transporting in a vehicle. Store unit and fuel in an area where fuel vapors cannot reach sparks or open flames from water heaters, electric motors or switches, furnaces, etc. Store unit with all guards in place. Position so that any sharp object cannot accidentally cause injury to passersby. Store the unit out of reach of children. S Before storing, drain all fuel from the unit. Start engine and allow to run until it stops. S Clean the unit before storing. Pay particu- lar attention to the air intake area, keeping it free of debris. Use a mild detergent and sponge to clean the plastic surfaces. S Do not store the unit or fuel in a closed area where fuel vapors can reach sparks or an open flame from hot water heaters, electric motors or switches, furnaces, etc. SCSAtUorTe IinOaNd:ryItairseiamopuotrotaf nretatochporefvcehniltdgreunm. deposits from forming in essential fuel system parts such as the carburetor, fuel filter, fuel hose, or fuel tank during storage. Alcohol blended fuels (called gasohol or using ethanol or methanol) can attract moisture which leads to fuel mixture separation and formation of acids during storage. Acidic gas can damage the engine. 10