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Manafacture: McCulloch File size: 283.19 kb File name: Language of manual:

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. RemoveSawdustFromGuideBarGrooveOilHole 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. CylinderCoverCylinderCoverScrewsSparkPlugSparkPlugBoot 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 IDLESPEED- --T adjusting procedure. S Sawwillnotidle.SeeIDLESPEED- --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 in crease engine speed. S Turn idle speed screw (T) counterclockwise to decrease engine speed. 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. 13 S Clean the unit before storing. Pay particular attention to the air intake area, keeping CAUTION: It is important to prevent it free of debris. Use a mild detergent and gum deposits from forming in essential fuel sponge to clean the plastic surfaces. system parts such as the carburetor, fuel fil- S Do not store the unit or fuel in a closed area ter, fuel hose, or fuel tank during storage. Al- where fuel vapors can reach sparks or an cohol blended fuels (called gasohol or using open flame from hot water heaters, electric ethanol or methanol) can attract moisture motors or switches, furnaces, etc. which leads to fuel mixture separation and S Store in a dry area out of the reach of chil-formation of acids during storage. Acidic gas dren. can damage the engine. TROUBLESHOOTING TABLE WARNING: Always stop unit and disconnect spark plug before performing all of the recommended remedies below except remedies that require operation of the unit. TROUBLE Engine will not start or will run only a few seconds after starting. Engine will not idle properly. Engine will not accelerate, lacks power, or dies under a load. Engine smokes excessively. Chain moves at idle speed. CAUSE 1. Ignition switch off. 2. Engine flooded. 3. Fuel tank empty. 4. Spark plug not firing. 5. Fuel not reaching carburetor. 1. Idle speed requires adjustment. 2. Carburetor requires adjustment. 1. Air filter dirty. 2. Spark plug fouled. 3. Chain brake engaged. 4. Carburetor requires adjustment. 1. Too much oil mixed with gasoline. 1. Idle speed requires adjustment. 2. Clutch requires repair. REMEDY 1. Move ignition switch to ON. 2. See “Difficult Starting” in Operation Section. 3. Fill tank with correct fuel mixture. 4. Install new spark plug. 5. Check for dirty fuel filter; replace. Check for kinked or split fuel line; repair or replace. 1. See “Carburetor Adjustment” in the Service and Adjustments Section. 2. Contact an authorized service dealer. 1. Clean or replace air filter. 2. Clean or replace plug a...

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