Poulan PPB150E User Manual - Page 12
Service And Adjustments - pro service
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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. Inspect spark plug every 25 hours of usage. Clean and/or replace as necessary. Set spark plug gap at 0.025 inch (0.6 mm). Ignition timing is fixed and nonadjustable. 1. Twist, then pull off spark plug boot. 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. SERVICE AND ADJUSTMENTS REPLACING THE LINE 1. Press the tabs on the side of the trimmer head and remove cover and spool. 8. Position the lines in the guide slots. Guide Slot Cover Tab Guide Slot Tap Button 2. Remove any remaining line. 3. Clean dirt and debris from all parts. Re- place spool if it is worn or damaged. 4. Replace with a pre-wound spool, or re- place line using a 25 feet (8 meters) length of 0.080 inch (2 mm) diameter Poulan PRO brand line. 5. When installing new line on an existing spool, hold the spool as shown in the illustration below. 6. Bend the line at the midpoint and insert the bend into the slot in the center rim of the spool. Ensure line snaps into position in the slot. 9. Insert the ends of the lines through exit holes in the sides of the cover. 10. Place the spool in the cover. Spool Slot Spool Cover 11. Make sure the lines are not caught between the rim of the spool and the wall of the cover. 12. Reinstall the spool and cover onto the trimmer head. Push until cover snaps into place. CARBURETOR ADJUSTMENT 7. With your finger between the lines, wrap the lines evenly and firmly around the spool in a clockwise direction. WARNING: Keep others away when making idle speed adjustments. The trimmer head or any optional attachment will be spinning during most of this procedure. Wear your protective equipment and observe all safety precautions. After making adjustments, the trimmer head or any optional attachment must not move/spin at idle speed. The carburetor has been carefully set at the factory. Adjustments may be necessary if you notice any of the following conditions: 12