Stimmen - 4, Durchschnittliche Bewertung: 4.3 ( )

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n Check the chain catcher and replace if damaged. WARNING: Even with daily cleaning of the mechanism, the dependability of a chain brake to perform under field conditions cannot be certified. Keep the SAFE-T-TIP® nose guard on the saw’s guide bar and use proper cutting techniques. STORING THE PRODUCT n Clean all foreign material from the product. Store it in a well-ventilated place that is inaccessible to children. Keep away from corrosive agents such as garden chemicals and de-icing salts. Fig. 72 Fig. 71 brake band clean the chain brake lubricate the chain brake linkage chain catcher clutch cover n Abide by all Federal and local regulations for the safe storage and handling of gasoline. When storing 1 month or longer: n Drain all fuel from tank into a container approved for gasoline. n Run the engine until it stops. This will remove all fuel-lubricant mix that could become stale and leave varnish and gum in the fuel system. n Squeeze primer bulb several times to purge fuel from carburetor. n Drain all bar and chain lubricant from tank into a container approved for oil. n Always place the scabbard over the guide bar and chain before transporting or storing the unit. BAR AND CHAIN COMBINATIONS BAR AND CHAIN COMBINATIONS Chain specifications: 0.0325 pitch, .05 in. chain gauge Length of Bar Guide Bar Part Number Chain Part Number Drive Links 20 in. 310629001 900920027 78 link 18 in. 310628001 901430001 72 link TROUBLESHOOTING Problem Possible Cause Solution Engine will not No spark. Clean or replace spark plug. Reset spark plug gap. Refer start. [Make sure to Spark Plug Replacement earlier in this manual. ignition switch is in the RUN ( l ) position.] Engine is flooded. With the ignition switch OFF, remove spark plug. Move choke lever to RUN position (pushed in completely) and pull starter cord 15 to 20 times. This will clear excess fuel from engine. Clean and reinstall spark plug. Set ignition switch to RUN ( l ) position. Push and fully release primer bulb 7 times. Pull starter three times with choke lever at RUN. If engine does not start, move choke lever to FULL CHOKE and repeat normal starting procedure. If engine still fails to start, repeat procedure with a new spark plug. Engine starts but will not accelerate properly. Carburetor requires “L” (Low Jet) adjustment. Contact an authorized service center for carburetor adjustment. Engine starts, then dies. Carburetor requires “L” (Low Jet) adjustment. Contact an authorized service center for carburetor adjustment. Engine starts but will not run properly at high speed. Carburetor requires “H” (High Jet) adjustment. Contact an authorized service center for carburetor adjustment. Engine does not Lubricant/fuel Use fresh fuel and the correct 2-cycle lubricant mix reach full speed mixture incorrect. ratio. and/or emits excessive smoke. Air filter is dirty. Clean air filter. Refer to Cleaning the Air Filter in the Maintenance section of this manual. Spark arrestor Clean spark arrestor screen. Refer to Inspecting/Cleanscreen is dirty. ing the Spark Arrestor Screen in the Maintenance section of this manual. Carburetor requires Contact an authorized service center for carburetor “H” (High Jet) adjustment. adjustment. Page 37 — English TROUBLESHOOTING Problem Possible Cause Solution Engine starts, runs, Carburetor requires Turn idle speed screw “T” clockwise to increase idle and accelerates adjustment to idle speed. Refer to Adjusting the Carburetor in the but will not idle. speed. Maintenance section of this manual. Chain tur ns at Carburetor requires Turn idle speed screw “T” counterclockwise to de- idle. adjustment to idle speed. Air leak in the intake system. crease speed. Refer to Adjusting the Carburetor in the Maintenance section of this manual. Contact an authorized service center for a rebuild kit. Bar and chain Chain oil tank empty. Oil tank should be filled every time fuel tank is filled. running hot and smoking. Chain tension is too tight. Oiler is not functioning. Tension chain per instructions in Adjusting the Chain Tension in the Maintenance section of this manual. Run at half throttle 30 to 45 seconds. Stop saw and check for lubricant dripping from SAFE-T-TIP® and guide bar. If lubricant is present, the chain may be dull or bar may be damaged. If no lubricant is on the SAFE-T-TIP® , contact an authorized service center. Engine starts and Chain brake is Release chain brake. Refer to Operating the Chain runs, but chain is engaged. Brake in the Operation section of this manual. not rotating. Chain tension is too tight. Guide bar and chain assembled incorrectly. Guide bar and/or chain are damaged. Drive sprocket teeth damaged Tension chain per instructions in Adjusting the Chain Tension in the Maintenance section of this manual. Refer to Replacing the Guide Bar and Chain in the Maintenance section of this manual. Inspect guide bar and chain for damage. Contact an authorized service center for drive sprocket replacement. Chain tensioning Tip of guide bar...

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