Poulan 1981-10 User Manual - Page 13

CLOCKWISE Read SAFETY CENTER SPREAD FREQUENTLY COUNTERCLOCKWISE 7. When the idle speed has been adjusted, squeeze the 8. If the engine does not have power in the test cut, and throttle trigger. If the saw accelerates without quits, it is set too lean. Turn the high speed mixture hesitating, make a test cut. Be careful to keep chips screw 1/16th turn counterclockwise. Test cut again. and dirt out of the carburetor. If the saw seems to Repeat adjustment until saw runs smoothly. smoke or have low power in the cut it is set too rich. Turn the high speed mixture screw 1/16th of a turn clockwise and repeat the test cut. Repeat this adjust- ment until the saw runs smoothly. CLEANING AIR FILTER 9. When you have completed these adjusments, recheck for proper idle mixture screw setting per instructions in views No. 5, 6, and 7. Check for acceleration. If there is a slight hesitation, turn the low speed mixture screw 1/16 turn counterclockwise at a time until you have smooth acceleration. 10. Be sure the idle speed screw is set properly and the chain is not turning. Before replacing the carburetor cover, clean the mating surfaces of the housing and cover. Move the choke knob all the way to the choke position and move the choke shutter to the choke position and replace cover. (Refer to Fig. 1, Page 12). CAUTION: NEVER SET THE HIGH SPEED MIXTURE LESS THAN 7/8THS TURN OPEN. A LEAN SETTING WILL RUIN YOUR ENGINE. The air filter, located in front of the carburetor, captures dirt and dust and prevents it from entering the engine. It is oil coated. The filter should be cleaned after every 10 tanks of fuel or every 5 hours of operation. Wash the air filter with soap and water. Do not use gasoline or other flammable liquid. Squeeze dry and add a small amount of oil to coat, but not to soak the filter. Squeeze out any excess oil. Replace the filter in housing, tuck in edges, and smooth it flush with the housing. Replace carburetor cover. 13