Poulan P2500 User Manual - Page 10

Button Air Filter Air Filter Cover MUFFLER AND SPARK ARRESTING SCREEN WARNING: The muffler on this prod- uct 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. 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 dis- card. 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. SERVICE AND ADJUSTMENTS LINE REPLACEMENT 1. Remove spool by firmly pulling on tap button. 2. Clean entire surface of hub and spool. 3. Replace with a pre-wound spool, or cut two lengths of 12-1/2 feet (3.8 meters) of 0.080 inch (2 mm) diameter Poulan/ WEED EATER brand line. WARNING: Never use wire, rope, string, etc., which can break off and become a dangerous missile. 4. Insert ends of the lines about 1/2 inch (1 cm) into the small holes on the inside of spool. Spool Small Holes Line exit holes Line in Notch REPLACING THE CUTTING HEAD 1. Align hole in the dust cup with the hole in the side of the gearbox by rotating the dust cup. 2. Insert a small screwdriver into aligned holes. This will keep the shaft from turning while removing and installing trimmer head. Screwdriver 3. While holding the screwdriver in position, remove trimmer head by turning clockwise (looking from bottom of unit). 4. Thread replacement trimmer head onto the shaft by turning counterclockwise. Tighten until secure. 5. Remove the screwdriver. CARBURETOR IDLE SPEED ADJUSTMENT Line in Notch Hub 5. Wind the line evenly and tightly onto the spool. Wind in the direction of the arrows found on the spool. 6. Push the lines into the notches, leaving 3 to 5 inches (7 -- 12 cm) unwound. 7. Insert the lines into the the exit holes in the hub as shown in the illustration. 8. Align the notches with the line exit holes. 9. Push spool into hub until it snaps into place. 10. Pull the lines extending outside of the hub to release the lines from the notches. WARNING: Keep others away when making idle speed adjustments. The trimmer head will be spinning during this procedure. Wear your protective equipment and observe all safety precautions. 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. Make adjustments with the unit supported so the cutting attachment is off the ground and will not make contact with any object. Hold the unit by hand while running and making adjustments. Keep all parts of your body away from the cutting attachment and muffler. 10