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INSTRUCTION MANUAL
IMPORTANT INFORMATION: Please read these instructions carefully and make
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sure you understand them before using this unit. Retain these instructions for future
reference.
MANUELD’INSTRUCTIONS
RENSEIGNEMENTS IMPORTANTS: Avant d’utiliser cet appareil, veuillez lire
FR
atentivement les instructions et assurez--vous de les avoir comprises. Conservez
les instructions pour référence ultérieure.
BETRIEBSANWEISUNG
WICHTIGE INFORMATION: Lesen Sie diese Hinweise zur Handhabung des
DE
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IDENTIFICATION (WHATISWHAT?) 14 3 13 19 9 7 12 5 8 4 2 10 1 17 9 18 11 6 22 16 20 15 23 21 1. Fuel tank 13. Throttlelock--out 2. Handlebar 14. Startthrottlebutton 3. ON/STOP switch 15. Starter handle 4. Throttle cableclip 16. Fuelcap 5. Shoulder harness clamp 17. Primer bulb 6. Shoulder harness 18. Chokelever 7. Trimmer head 19. Muffler 8. Linelimiter blade 20. Wrench 9. Shield 21. Hex wrench 10. Shaft 22. Transport guard 11. Blade 23. Instruction manual 12. Throttle trigger 2
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IDENTIFICATIONOFSYMBOLS A. D. F. I. B. E. G. J. C. H. K. A. WARNING! This brushcutter can be dangerous! Careless or improper use can cause serious or evenfatal injury. B. Read and understand the instructionmanualbefore using thebrushcutter. C. Always use: Ear protection, eye protection, head protection, boots, and gloves. D. DANGER! Blade can thrust violently away from material it does not cut. Blade thrust can cause amputation of arms or legs. Keep people and animals 15 meters away. E. WARNING!
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S Always wear a helmet if the trees to be cleared are taller than 2 meters. WARNING: Blade/trimmer line can S Alwayswearfaceordustmaskifoperation throwobjectsviolently.Youandotherscanbe is dusty. blinded or injured. Wear safety glasses and S Always wear heavy, long pants, long legprotection. sleeves,boots,andgloves. Wearingsafety legguards is recommended. S Always wear foot protection. Do not go barefoot or wear sandals. Stay clear of blade/spinningline. S Securehairaboveshoulderlength. Secure o
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unit by hand; do not use the shoulder har- S Keepallparts ofyourbodyaway fromblade, ness for support. trimmer head, and muffler when engine is S Keepothersawaywhenmakingcarbure- running. A hot muffler can cause serious toradjustments. burns. S UseonlyrecommendedMcCullochaccesso- S Cut from your left to your right. Cutting on ries and replacement parts. right side of the shield will throw debris S Have all maintenance and service not ex- away fromtheoperator. plainedinthis manualperformedby youra
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2. Position the lower shoulder harness ATTACHINGTHE HANDLEBAR clampundertheshaftandaligntheupper and lower clamp screw holes. Clamp DANGER: Toavoidserious injury,the mustbefittleabovethearrowontheshaft barrierportionofthehandlebarmustbeinstalled (see illustrationabove). asshowntoprovideabarrierbetweenoperator NOTE: Fit throttle wire in groove of lower and the spinning blade. 1. Remove the screw at the rear of the harness clampbeforetighteningscrews. 3. Insert twoscrews intothescrew holes. thrott
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3. Pivotshielduntilboltpassesthroughhole in bracket. 4. Reinstall nut and tighten securely with wrench(provided). NOTE: If your unit has aplastic coverover thethreadsonthethreadedshaft,removethe 76cm coveringtoexposethethreads.Beforeinstal- lingthetrimmerhead,makesurethedustcup and retaining washer are positioned on the gearbox as shownbelow. Bracket Slot Nut CONFIGURINGYOURUNIT Gearbox Youcanconfigureyourunitusingacuttinghead Shield for grass and light weeds, or a weed blade for cutting grass,
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1. Remove the retaining washer from the NOTE: Removethetrimmerheadandplastic threaded shaft of the gearbox. Leave the shield before attaching the metal shield and dustcupontheshaft. installingtheweedblade.Toremovethetrimmer 2. Install the blade and the retaining washer head,alignholeinthedustcup withthe holein over the threaded shaft. thesideofthegearboxbyrotatingthedustcup. 3. Make sure the raised part of the retaining Insert a small screwdriver into aligned holes. washerisfacingthegearboxandth
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OPERATION STARTING A COLD ENGINE (or a WARNING: Be sure to read the fuel warmengineafterrunningoutoffuel) informationinthesafetyrulesbefore yoube- gin.Ifyoudonotunderstandthesafetyrules, Starting position donotattempttofuelyourunit.Contactanau- thorisedservicedealer. FUELINGENGINE WARNING: Remove fuel cap slowly when refueling. This engine is certified to operate on unleaded NOTE: The throttlelock--out is designedto petrol. Before operation, petrol must be mixed prevent unintentional use of the
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OPERATINGPOSITION Start throttle ALWAYS WEAR: Safety Helmet button Hearing Protection Throttle EyeProtection lock--out Throttle trigger Heavy, LongPants 6. Pull starter rope handle sharply until en- ginesoundsasifitistryingtostart,butdo not pullrope morethan6 times. Boots 7. Assoonasenginesoundsasifitistryingto start, move choke lever to HALF CHOKE. 8. Pull starter rope sharply until engine runs, Cut fromyour left toyour right. but no more than 6 pulls. If the engine When operating unit, clip sh
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CUTTINGMETHODS WARNING: Useminimumspeedand do not crowd the line when cutting around hardobjects(rock,gravel,fenceposts,etc.), whichcandamagethetrimmerhead,become entangled intheline, or be thrown causinga serious hazard. S The tip of the line does the cutting. You will achieve the best performance and minimum line wear by not crowding the line into the cutting area. The right and wrong ways are MOWING -- Yourtrimmer isideal formowing shown below. in places conventional lawn mowers cannot reach.
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cancauseseriousinjury ifthebladecontacts unit.Donotoverreach.Keepfirmfootingand the operator or others. balance. S WHEN BLADE THRUST OCCURS -- S Keep blade below waist level; it will be BladeThrustcanoccurwithout warningif easier tomaintain control of unit. the blade snags, stalls, or binds. This is S Donotraisetheengineaboveyourwaistas more likely to occur in areas where it is the blade can come dangerously close to difficult to see the material being cut. By your body. using the unit properly,
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CLEANAIRFILTER REPLACESPARKPLUG A dirty air filter decreases engine perform- Replace the spark plug each year to ensure ance and increases fuel consumption and the engine starts easier and runs better.Set harmfulemissions. Always clean after every spark plug gap at 0,6 mm. Ignition timing is 5hours of operation. fixed and nonadjustable. 1. Cleanthecoverandtheareaaround itto 1. Twist, thenpull off spark plugboot. keep dirt from falling into the carburetor 2. Removesparkplugfromcylinderanddis- cha
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Makeadjustmentswiththeunitsupportedso the cutting attachment is off the ground and willnotmakecontactwithanyobject.Holdthe unitbyhandwhilerunningandmakingadjust- ments. Keepallpartsofyourbodyawayfrom Spool thecutting attachment and muffler. Idle SpeedAdjustment Allowenginetoidle.Adjustspeeduntilengine runswithouttrimmerheadmovingorspinning (idle speed too fast) or engine stalling (idle speedtoo slow). S Turn idle speed screw clockwise to in- Cover creaseenginespeedifenginestallsordies. S Turnidl
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TROUBLESHOOTINGTABLE WARNING: Alwaysstopunitanddisconnectsparkplugbeforeperformingallofthe recommended remedies below except remedies that requireoperation of the unit. TROUBLE CAUSE REMEDY Engine will not 1. ON/STOP switch in STOP 1.MoveON/STOPswitchtoON start. position. position. 2. Engineflooded. 2. See “Starting aFlooded Engine” in Operation Section. 3. Fueltank empty. 3. Filltank with correct fuel mixture. 4. Spark plugnot firing. 4. Install new spark plug. 5. Fuelnot reaching 5. Check for
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DECLARATIONOFCONFORMITY ECDeclarationof Conformity(Only applies toEurope) We,HusqvarnaOutdoorProductsItalia,S.p.A.,Valmadrera,Italy.Tel:+39--0341--203211, declare that the brushcutter model McCulloch Mac 250 B from serial numbers 2007--305N00001andonwards(theyearisclearly statedontherating plate,followed bythe serialnumber), comply withthe requirements of theCOUNCIL’SDIRECTIVES: of 22June 1998 “relating to machinery” 98/37/EC, annex IIA; of15December2004“relatingtoelectromagneticcompatibility”20
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TECHNICALDATASHEET MODEL: Mac250B Blade Trimmer ENGINE 3 Displacement, cm 25 25 Maximumenginepower, measured in accordance withISO 8893,kW 0,7 0,7 Catalytic converter muffler Yes Yes ENGINEROTATIONALSPEEDS At maximumenginepower, rpm 8000 8000 Maximumrotationalfrequency of thespindle 10000 10000 Enginespeed at recommendedmaximum spindle rotational frequency 7400 7400 Recommended speedidling, rpm 3000 3000 FUELANDLUBRICATIONSYSTEM 3 Fuel tank volumecapacity, cm 340 340 Fuel consumption atmaximumen
