Stimmen - 3, Durchschnittliche Bewertung: 4 ( )

Hersteller: Husqvarna Dateigröße: 2.69 mb Dateiname: L0707156.pdf Unterrichtssprache:

speed after each turn of the screw. The • Turn clockwise to increase engine chain must not move at idle speed. speed if engine stalls or dies. • Turn counterclockwise to decrease Carburetor adjustment is critical and if done improperly can permanently dam- speed. age the engine as well as the carbure-No further adjustments are necessary if tor. if you require further assistance or chain does net move at idle speed and are unsure about performing this proce if performance is satisfactory. dure, calt our customer assistance help Low Speed Mixture-L line at 1-800-235-5878. Allow engine to idle. Then accelerate Old fuel, a dirty air filter, dirty fuel filter, the engine and note performance. If en- or flooding may give the impression of gine hesitates, bogs down, or smokes an improperly adjusted carburetor. during acceleration, turn mixture screw Check these conditions before adjust-clockwise in 1/16-turn increments until ing the carburetor. performance is satisfactory. Repeat this procedure as necessary for proper ad- The carburetor has been carefully set at the factory. Adjustments may be neces-justment. After completing adjustments, check for acceleration and chain move san/if you notice any of the following conditions: ment at idle. Reset if necessary. • Chain moves at idle. See "Idle Speed" High Speed Mixture-H under adjusting procedure. DO NOT operate engine at full throttle • Saw will not idle. See "Idle Speed" for prolonged periods while making ad- and "Low Speed Mixture"under ad-justments. Damage to the engine can justing procedure. occur. Make a test cut. Based on per• Engine dies or hesitates when it formance of the saw while cutting, ad- should accelerate. See =Acceleration just the high speed mixture setting in Check" under adjusting procedure. 1/16-turn increments as follows: • Loss of cutting power. See "High • Clockwiseuntil saw has good power in Speed Mixture H" under adjusting thecutwithno hesitation.Do notadjust procedure. by sound or speed, butjudge by how There are three adjustment screws on well the saw perfoilT_ in the cut. • Counterclockwise if the saw has the carburetor. They are labeled H, L, and T. They are located in the area just speed, but dies in the cut or lacks above the primer bulb. power in the cut. After completing adjustments, check for CARBURETOR PRESETS acceleration and chain movement at When making adjustments, do not force idle. Reset if necessary. the plastic timiter caps beyond the Acceleration Check stops or damage wifl occur. If carburetor presets are not needed, if the engine dies or hes_tes instead of proceed to "Idle Speed-T." accelerating,turn the low speed m_ure • Turn both mixture screws counter-adjustment counterclockwiseuntil you clockwise until they stop. have smooth acceleration with no chain • Turn the idle speed screw clockwise movement at idle, Recheck and adjust as until it stops. Now turn counterclock-necessary for acceptable performance. wise 4-1/2 full turns. 15 Prepare tire in minimizingthe formationof fuel yourunitforstorageat theend of the seasonor if it willnotbe usedfor gum depositsduringstorage.Add stabi30 daysormore. lizer to the gasolinein the fueltank or fuel storagecontainer. Followthe mix WARNING: instructions found on stabilizercontain • Allow the engineto coot,and secure ers. Run engineat least 5 minutes after the unitbeforestoring or transporting. adding stabilizer. • Storechainsaw and fuelin a well ventilated area where fuel vapors cannot reach sparks or open flames from water heaters, electric motors or switches, furnaces, etc. • Store chainsaw with all guards in place and position chain saw so that any sharp object cannot accidentally cause injury. • Storechainsawwell out ofthe reach of children. EXTERNAL SURFACES Ifyourchainsaw is to be stored for a periodoftime,clean itthoroughlybefore storage.Store in a cleandry area. • Lightlyoilexternalmetal surfaces and guide bar. • Oil the chain and wrap it in heavy paper or cloth. FUEL SYSTEM UnderFuelingEnginein the Operating Section ofthismanual,see message labeled IMPORTANTregardingthe use ofgasohol inyourchain saw. Fuelstabilizerisan acceptablealtema CRAFTSMAN40:1, 2-cycle engine oil (air cooled) is especially blended with fuel stabilizer. If you do notuse this Sears oil, you can add a fuel stabilizer to your fuel tank. ENGINE • Remove sparkplugand pour1 teaspoonof 40:1, 2-cycle engine oil (air cooled) through the sparkplug opening. Slowly pull the starter rope 8 to 10 times to distribute oil. • Replace spark plugwithnew one of recommended type and heat range. * Cleanair filler. • Check entireunitfor loose screws, nuts, andbo_ts.Replace any damaged, broken,or wornparts. . At the beginningof the nextseason, useonly fresh fuel havingthe proper gasolineto oll ratio. OTHER • Do notstore gasolinefrom oneseasonto another. • Replace your gasoline can if it starts tOrust, 16 TROUBLE SHOOTING CHART REMEDY !TROUBLE CAUSE ....... Enginewiltnot r• ignitionswitch off. startorwillrun !• Engineflooded, ...

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