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Resumen del manual
Remove small limbs with one cut. S Keep the tree between you and the chain as much as possible. S Remove larger, supporting branches with the cutting techniques described in BUCKING WITHOUT A SUPPORT. S Always use an overcut to cut small and freely hanging limbs. Undercutting could cause limbs to fall and pinch saw. PRUNING WARNING: Limit pruning to limbs shoulder height or below. Do not cut if branches are higher than your shoulder. Get a professional to do the job. S Make your fist cut 1/3 of the way through the bottom of the limb. S Next make a 2nd cut all the way through the limb. Then cut a third overcut leaving a 1 to 2 inch collar from the trunk of the tree. FirstcutSecondcutThirdcutCollarPruningtechnique SERVICEANDADJUSTMENTS WARNING: Disconnect the spark plug before performing maintenance, except for carburetor adjustments. We recommend all service and adjustments not listed in this manual be performed by an Authorized Service Dealer. MAINTENANCE SCHEDULE Check: Fuel mixture level . ... Before each use Bar lubrication .... ... Before each use Chain tension .... ... Before each use Chain sharpness . ... Before each use For damaged parts .. Before each use For loose caps ... ... Before each use For loose fasteners ... Before each use For loose parts ... ... Before each use Inspect and Clean: Bar ..... .... .... ... Before each use Complete saw .... ... After each use Air filter .. .... .... ... Every 5 hours* Chain brake . .... ... Every 5 hours* Spark arresting screenand muffler .. .... ... Every 25 hours* Replace spark plug . Yearly Replace fuel filter ... Yearly *Hours of Operation AIR FILTER CAUTION: Do not clean filter in gasoline or other flammable solvent to avoid creating a fire hazard or producing harmful evaporative emissions. Cleaning the air filter: A dirty air filter decreases engine performance and increases fuel consumption and harmful emissions. Always clean after every 5 hours of operation. 1. Clean the cover and the area around it to keep dirt and sawdust from falling into the carburetor chamber when the cover is removed. 2. Remove the parts as illustrated below. 3. Wash the filter in soap and water. Rinse in clean cool water. Air dry completely before reinstalling. 4. Add a few drops of oil to the filter; squeeze filter to distribute oil. 5. Reinstall parts. AirFilterCylinderCoverScrewsCylinderCover 12 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. After each use, ensure ON/STOP switch is in the STOP position, then clean all sawdust from the guide bar and sprocket hole. To maintain guide bar: S Move ON/STOP switch to the STOP posi tion. S Loosen and remove chain brake nuts and chain brake. Remove bar and chain from saw. S Clean the oil holes and bar groove after each 5 hours of operation. RemoveSawdustFromGuideBarGrooveOilHoles SBurringofguidebarrailsisanormalprocessofrailwear.Removetheseburrswithaflatfile. SWhenrailtopisuneven,useaflatfiletorestoresquareedgesandsides. File Rail Edges and Sides Square Worn Groove Correct Groove Replace guide bar when the groove is worn, the guide bar is bent or cracked, or when excess heating or burring of the rails occurs. If replacement is necessary, use only the guide bar specified for your saw in the repair parts list or on the decal located on the chain saw. SPARK PLUG The spark plug should be replaced each year to ensure the engine starts easier and runs better. Ignition timing is fixed and nonadjustable. 1. Loosen 3 screws on cylinder cover. 2. Remove the cylinder cover. 3. Pull off the spark plug boot. 4. Remove spark plug from cylinder and discard. 5. Replace with Champion RCJ- --7Y spark plug and tighten securely with a 19 mm socket wrench. Spark plug gap should be 0,5 mm. 6. Reinstall the spark plug boot. 7. Reinstall the cylinder cover and 3 screws. Tighten securely. Screws Spark Plug Boot CylinderCover Spark Plug CHAIN SHARPENING Chain sharpening is a complicated task that requires special tools. We recommend that you refer chain sharpening to a professional chain sharpener. CARBURETOR ADJUSTMENTS WARNING: Thechain will bemoving during most of this procedure. Wear your protective equipment and observe all safety precautions. The chain must not move at idle speed. The carburetor has been carefully set at the factory. Adjustments may be necessary if you notice any of the following conditions: S Chain moves at idle. See IDLE SPEED- --T adjusting procedure. S Saw will not idle. See IDLE SPEED- --T adjusting procedure. Idle Speed-- --T Allow engine to idle. If the chain moves, idle is too fast. If the engine stalls, idle is too slow. Adjust speed until engine runs without chain movement (idle too fast) or stalling (idle too slow). The idle speed screw is located in the area above the primer bulb and is labeled T. S Turn idle speed screw (T) clockwise to...
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