GB FR DE ES 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.
IDENTIFICATION (WHAT IS WHAT?) 14 3 13 19 9 7 12 5 8 4 2 10 1 17 9 11 18 6 22 16 20 15 23 21 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. Fuel tank Handlebar ON/STOP switch Throttle cable clip Shoulder harness clamp Shoulder harness Trimmer head Line limiter blade Combination shield Shaft Blade Throttle trigger 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23.
IDENTIFICATION OF SYMBOLS A. D. F. I. B. E. G. J. H. K. C. A. B. C. D. E. F. G. H. I. J. K. WARNING! This brushcutter can be dangerous! Careless or improper use can cause serious or even fatal injury. Read and understand the instruction manual before using the brushcutter. Always use: Ear protection, eye protection, head protection, boots, and gloves. DANGER! Blade can thrust violently away from material it does not cut. Blade thrust can cause amputation of arms or legs.
WARNING: Blade/trimmer line can throw objects violently. You and others can be blinded or injured. Wear safety glasses and leg protection. WARNING: Hazard zone for thrown objects. Blade/Trimmer line can throw objects violently. Others can be blinded or injured. Keep people and animals 15 meters away. Hazard Zone WARNING: Do not use trimmer head as a fastening device for the blade. WARNING: The blade continues to spin after the throttle is released or, engine is turned off.
S Install required shield properly before using the unit. S Use only specified blade or trimmer head; make sure it is properly installed and securely fastened. S Never start engine with clutch shroud removed. The clutch can fly off and cause serious injury. S Be sure blade or trimmer head stops turning when engine idles. S Make carburetor adjustments with the lower end supported to prevent blade or trimmer line from contacting any object. Hold unit by hand; do not use the shoulder harness for support.
It is normal for the fuel filter to rattle in the empty fuel tank. Finding fuel or oil residue on muffler is normal due to carburetor adjustments and testing done by the manufacturer. TOOLS REQUIRED S Hex wrench (provided) S Adjustable wrench S Phillips screwdriver ATTACHING THE HANDLEBAR DANGER: To avoid serious injury, the barrier portion of the handlebar must be installed as shown to provide a barrier between operator and the spinning blade. 1. Remove the screw at the rear of the throttle handle. 2.
ASSEMBLY INFORMATION -TRIMMER HEAD TRIMMER HEAD 76 cm NOTE: Remove the blade before attaching the ATTACHING THE SHIELD WARNING: The shield must be properly installed. The shield provides partial protection to the operator and others from the risk of thrown objects, and is equipped with a line limiter blade which cuts excess line to the proper length. The line limiter blade (on underside of shield) is sharp and can cut you. 1. Insert bracket into slot on shield. 2.
ASSEMBLY INFORMATION -- WEED BLADE Gearbox Shield WEED BLADE Dust cup Threaded shaft Retaining washer NOTE: Remove the trimmer head before Installing the weed blade. To remove the trimmer head, align hole in the dust cup with the hole in the side of the gearbox by rotating the dust cup. Insert a small screwdriver into aligned holes. This will keep the shaft from turning while loosening the trimmer head. Remove the trimmer head by turning clockwise. Remove the screwdriver.
OPERATION WARNING: Be sure to read the fuel information in the safety rules before you begin. If you do not understand the safety rules, do not attempt to fuel your unit. Contact an authorised service dealer. STARTING A COLD ENGINE (or a warm engine after running out of fuel) Starting position FUELING ENGINE WARNING: Remove fuel cap slowly when refueling. This engine is certified to operate on unleaded petrol.
Start throttle button Throttle trigger Throttle lock--out 6. Pull starter rope handle sharply until engine sounds as if it is trying to start, but do not pull rope more than 6 times. 7. As soon as engine sounds as if it is trying to start, move choke lever to HALF CHOKE. 8. Pull starter rope sharply until engine runs, but no more than 6 pulls. If the engine doesn’t start after 6 pulls (at the HALF CHOKE position), move the choke lever to the FULL CHOKE position and press the primer bulb 6 times.
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. 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 shown below. Tip of line does the cutting. Right Line crowded into work area.
S WHEN BLADE THRUST OCCURS -Blade Thrust can occur without warning if the blade snags, stalls, or binds. This is more likely to occur in areas where it is difficult to see the material being cut. By using the unit properly, the occurrence of blade thrust will be reduced and the operator will be less likely to lose control. S Cut only grass, weeds, and woody brush up to 1 cm in diameter with the weed blade. Do not let the blade contact material it cannot cut such as stumps, rocks, fences, metal, etc.
CLEAN AIR FILTER A dirty air filter decreases engine performance and increases fuel consumption and harmful emissions. Always clean after every 5 hours of operation. 1. Clean the cover and the area around it to keep dirt from falling into the carburetor chamber when the cover is removed. 2. Remove parts as illustrated. NOTE: Do not clean filter in petrol or other flammable solvent to avoid creating a fire hazard or producing harmful evaporative emissions. 3. Wash the filter in soap and water. 4.
WARNING: 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. Bend the line at the midpoint and insert the bend into the slot in the center rim of the spool. Ensure line snaps into position in the slot. 9. Place the spool in the cover as shown below. Slot 10. Insert the ends of the lines through exit holes in the sides of the cover. Line exit hole 7.
BLADE REPLACEMENT Refer to the ASSEMBLY section for blade replacement instructions and illustrations. CARBURETOR ADJUSTMENT WARNING: Keep others away when making idle speed adjustments. The trimmer head will be spinning during most of this procedure. Wear your protective equipment and observe all safety precautions. After making adjustments, the trimmer head must not move/spin at idle speed. The carburetor has been carefully set at the factory.
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 Engine will not start. 1. ON/STOP switch in STOP 1. Move ON/STOP switch to ON position. position. 2. Engine flooded. 2. See “Starting a Flooded Engine” in Operation Section. 3. Fuel tank empty. 3. Fill tank with correct fuel mixture. 4. Spark plug not firing. 4. Install new spark plug. 5. Fuel not reaching 5.
DECLARATION OF CONFORMITY EC Declaration of Conformity (Only applies to Europe) 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 DIRECTIVES: of 17 May 2006 “relating to machinery” 2006/42/EC; of 15 December 2004 “r
TECHNICAL DATA SHEET MODEL: Mac 250 B ENGINE 25 Cylinder displacement, cm3 At maximum engine power, rpm 8000 Maximum rotational frequency of the spindle 10000 Engine speed at recommended maximum spindle rotational frequency 7400 Recommended speed idling, rpm 3000 Maximum engine power, measured in accordance with ISO 8893, kW 0,7 Catalytic converter muffler Yes IGNITION SYSTEM Spark plug Champion RCJ--6Y Electrode gap, mm 0,6 FUEL AND LUBRICATION SYSTEM 340 Fuel tank capacity, cm3 WEIGHT Weight without fuel,