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McCulloch MAC 250 B Instruction Manual

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INSTRUCTION MANUAL
IMPORTANT INFORMATION
: Please read these instructions carefully and make
GB
sure you understand them before using this unit. Retain these instructions for future
reference.
MANUEL D'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
Geräts aufmerksam durch. Verwenden Sie es erst, wenn Sie sicher sind, daß Sie
alle Anweisungen verstanden haben und gut aufbewahren.
MANUAL DE INSTRUCCIONES
ES
INFORMACIÓN IMPORTANTE:
Lea atentamente las instrucciones y
asegúrese de entenderlas antes de utilizar esta aparato. Conserve las instruc-
ciones para la referencia en el futuro.
115306726
Rev. 4 11/30/10 BRW

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Summary of Contents for McCulloch MAC 250 B

  • Page 1 INSTRUCTION MANUAL IMPORTANT INFORMATION : Please read these instructions carefully and make sure you understand them before using this unit. Retain these instructions for future reference. MANUEL D’INSTRUCTIONS RENSEIGNEMENTS IMPORTANTS: Avant d’utiliser cet appareil, veuillez lire atentivement les instructions et assurez- -vous de les avoir comprises. Conservez les instructions pour référence ultérieure.
  • Page 2 IDENTIFICATION (WHAT IS WHAT?) 1. Fuel tank 13. Throttle lock- -out 2. Handlebar 14. Start throttle button 3. ON/STOP switch 15. Starter handle 4. Throttle cable clip 16. Fuel cap 5. Shoulder harness clamp 17. Primer bulb 6. Shoulder harness 18.

  • Page 3: Identification Of Symbols

    IDENTIFICATION OF SYMBOLS WARNING! This brushcutter can be dangerous! Careless or improper use can cause serious or even fatal injury. B. Read and understand the instruction manual before using the brushcutter. C. Always use: Ear protection, eye protection, head protection, boots, and gloves. DANGER! Blade can thrust violently away from material it does not cut.

  • Page 4: Operator Safety

    S Maintain unit according to recommended procedures. Keep blade sharp. Keep cut- ting line at the proper length. S Use only 2,4 mm diameter McCulloch brand replacement line. Never use wire, rope, string, etc.

  • Page 5: Fuel Safety

    S Allow the engine to cool; secure unit before tor adjustments. storing or transporting in vehicle. S Use only recommended McCulloch accesso- S Empty fuel tank before storing or transporting ries and replacement parts. the unit. Use up fuel left in the carburetor by S Have all maintenance and service not ex- starting engine and letting it run until it stops.

  • Page 6: Tools Required

    It is normal for the fuel filter to rattle in the ATTACHING SHOULDER HARNESS empty fuel tank. CLAMP Finding fuel or oil residue on muffler is normal 1. Place the upper shoulder harness clamp due to carburetor adjustments and testing over the shaft.
  • Page 7 ASSEMBLY INFORMATION - - TRIMMER HEAD TRIMMER HEAD 76 cm NOTE: Remove the blade before attaching the trimmer head. To remove blade, align hole in ATTACHING THE SHIELD the dust cup with the hole in the side of the gearbox by rotating the blade. Insert a small WARNING: The shield must be prop- screwdriver into aligned holes.
  • Page 8 To remove blade, insert screwdriver nuts shown in the following illustrations. These into aligned holes. Unthread the nut and remove parts must be provided by McCulloch and parts. Be sure to store parts and instructions for installed as shown below. Failure to use proper future use.

  • Page 9: Operation

    OPERATION STARTING A COLD ENGINE (or a WARNING: Be sure to read the fuel warm engine after running out of fuel) information in the safety rules before you be- gin. If you do not understand the safety rules, Starting position do not attempt to fuel your unit.

  • Page 10: Starting A Warm Engine

    OPERATING POSITION Start throttle Safety Helmet ALWAYS WEAR: button Hearing Protection Throttle Eye Protection lock- -out Throttle trigger Heavy, Long Pants 6. Pull starter rope handle sharply until en- gine sounds as if it is trying to start, but do not pull rope more than 6 times.

  • Page 11: Cutting Methods

    CUTTING METHODS Scalping WARNING: Use minimum speed and do not crowd the line when cutting around hard objects (rock, gravel, fence posts, etc.), which can damage the trimmer head, become entangled in the line, or be thrown causing a serious hazard. S The tip of the line does the cutting.

  • Page 12: Maintenance

    S WHEN BLADE THRUST OCCURS - - S Keep blade below waist level; it will be Blade Thrust can occur without warning if easier to maintain control of unit. the blade snags, stalls, or binds. This is S Do not raise the engine above your waist as more likely to occur in areas where it is the blade can come dangerously close to difficult to see the material being cut.

  • Page 13: Clean Air Filter

    2. Remove any remaining line. 3. Clean dirt and debris from all parts. Re- place spool if it is worn or damaged. 4. Replace with a pre-wound spool, or re- place line using a 4,5 meters length of 2,4 mm diameter McCulloch brand line.
  • Page 14 9. Place the spool in the cover as shown WARNING: below. Never use wire, rope, string, etc., which can break off and become a dangerous missile. 5. When installing new line on an existing spool, hold the spool as shown. 6.
  • Page 15 BLADE REPLACEMENT S Turn idle speed screw clockwise to in- crease engine speed if engine stalls or dies. Refer to the ASSEMBLY section for blade re- S Turn idle speed screw counterclockwise to placement instructions and illustrations. decrease engine speed if trimmer head CARBURETOR ADJUSTMENT moves or spins at idle speed.
  • Page 16 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 CAUSE REMEDY Engine will not 1. ON/STOP switch in STOP 1. Move ON/STOP switch to ON start.

  • Page 17: Declaration Of Conformity

    We, Husqvarna AB, SE-561 82 Huskvarna, Sweden, tel: +46- -36- -146500, as authorised representative in the Community, declare that the brushcutter model McCulloch Mac 250 B with serial numbers dating from 2009 and onwards (the year is clearly stated on the rating plate, followed by the serial number), comply with the requirements of the COUNCIL’S...

  • Page 18: Technical Data Sheet

    (standard deviation) of 1 dB(A). Note 3: Reported data for equivalent vibration level has a typical statistical dispersion (standard deviation) of 1 m/s Model Mac 250 B (3/8 LH arbor shaft thread) Centre hole in blades/cutters, ∅ 25,4 mm Approved accessories Type Cutting attachment /guard, part.

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