BK2650DL 848EG093A0 (406) G B OWNER’S MANUAL BRUSHCUTTERS BK2650DL GB-1
BK2650DL EXPLANATION OF SYMBOLS AND SAFETY WARNINGS WARNING!!! RISK OF DAMAGING HEARING IN NORMAL CONDITIONS OF USE, THIS MACHINE MAY INVOLVE A DAILY LEVEL OF PERSONAL EXPOSURE TO NOISE FOR THE OPERATOR EQUAL TO OR GREATER THAN 85 dB(A) MODEL EN27917 LpA BK2650DL GB-2 25.4 cm3 98 dB(A) SOUND LEVEL ISO 10884 LwA guaranteed measured 111 dB(A) 112 dB(A) VIBRATION LEVEL ISO 7916 idling 1.0 m/s2 racing 4.
BK2650DL SAFETY FIRST Instructions contained in warnings within this manual marked symbol concern critical points which must be taken with a into consideration to prevent possible serious bodily injury, and for this reason you are requested to read all such instructions carefully and follow them without fail. WARNINGS IN THE MANUAL WARNING This mark indicates instructions, which must be followed in order to prevent accidents, which could lead to serious bodily injury or death.
BK2650DL 2. Specification Model Overall size (LxWxH) mm Dry weight kg Engine Model Displacement cm3 Fuel Carburetor Ignition system Spark plug Fuel tank capacity L Starter Clutch Reduction ratio Cutting head rotating direction BK2650DL 2616 x 306 x 336 8.3 Zenoah G26LS 25.4 Mixture (Gasoline 50 : Oil 1) Diaphragm type Flywheel magneto (C.D.I.) NGK BPMR 7A 1.1 Recoil starter Centrifugal type 1.67 Counter-clockwise (Operator view) Specifications are subject to change without notice. 3.
BK2650DL 5. For safe operation 1. Read this manual carefully until you completely understand and follow all safety and operating instructions. 2. Keep this manual handy so that you may refer to it later whenever any questions arise. Also note, if you have any questions which cannot be answered herein, contact the dealer from whom you purchased the product. 3. Always be sure to include this manual when selling, lending, or otherwise transferring the ownership of this product. 4.
BK2650DL 5. For safe operation BEFORE STARTING THE ENGINE 1. The area within a perimeter of 15 m (50 ft) of the person using the product should be considered a hazardous area into which no one should enter. If necessary, yellow warning rope, warning signs should be placed around the perimeter of the area.
BK2650DL 5. For safe operation could result in serious burns or electrical shock. • IF SOMEONE COMES 1. Guard against hazardous situations at all times. Warn adults to keep pets and children away from the area. Be careful if you are approached. Injury may result from flying debris. 2. If someone calls out or otherwise interrupts you while working, always be sure to turn off the engine before turning around. MAINTENANCE 1.
BK2650DL 6. Set up INSTALLING THE SHOULDER STRAP 1. Hook the upper part of the shoulder strap at the notch on the top of the frame and pass it through the buckle as shown in the Figure, then secure it firmly. 2. Put the hook at the lower part of the shoulder strap in the strap installing location at the bottom of the frame. INSTALLING CUTTING HEAD Buckle 1. While locking the gear shaft, by inserting the supplied tool into the upper holder on the gearbox, loosen and remove the hexagon nut (left-handed).
BK2650DL 7. Fuel ■ FUEL WARNING • Gasoline is very flammable. Avoid smoking or bringing any flame or sparks near fuel. Make sure to stop the engine and allow it cool before refueling the unit. Select outdoor bare ground for fueling and move at least 3 m (10 ft) away from the fueling point before starting the engine. • The Komatsu Zenoah engines are lubricated by oil specially formulated for air-cooled 2-cycle gasoline engine use.
BK2650DL 8. Operation STARTING A COOLED ENGINE 1. Set the ignition switch to the RUN position. 2. Release the throttle lever. This lever cannot be operated unless you hold the grip firmly and push the upper lever as far as it goes. (1) Ignition switch (2) STOP (3) RUN (4) Throttle lever (5) Idling (6) Fully opened (3) (1) 6. When the engine starts, open the choke gradually. 7. Allow the engine to warm up at low speed for two to three minutes before starting operation.
BK2650DL 8. Operation STOPPING ENGINE NOTE • This brush cutter can be operated in either the right side or left side position. The rope guide position is fixed for right side position operation when shipped from the factory. • Adjust the rope guide position as shown in the figure to allow the operator in the left-hand position to pull the recoil starter with the right hand.
BK2650DL 8. Operation PUTTING ON THE UNIT NOTE • When carrying the unit on the back, make sure that the throttle lever is set to the idling position and that the throttle wire will not become twisted and tensioned. 1. After confirming that there is no person or obstacle nearby, grasp the end of the main pipe handle (cutter head side) with the left hand and put the right shoulder strap around the right shoulder. 2.
BK2650DL 8. Operation ADJUSTING THE LINE LENGTH • Your brush cutter is equipped with a semi- auto type nylon line head that allows the operator to advance the line without stopping the engine. When the line becomes short, lightly tap the head on the ground while running the engine at full throttle. • Each time the head is bumped, the line advances about 25 mm. For better effect, tap the head on bear ground or hard soil. Avoid bumping in thick, tall grass as the engine may stall by overload. G B 9.
BK2650DL 9. Maintenance MUFFLER WARNING • Make sure that the engine has stopped and is cool before performing any service to the machine. Contact with moving cutting head or hot muffler may result in a personal injury. AIR FILTER • The air filter, if clogged, will reduce the engine performance. Check and clean the filter element in warm, soapy water as required. Dry completely before installing. If the element is broken or shrunk, replace with a new one.
BK2650DL 9. Maintenance 10. Storage INTAKE AIR COOLING VENT Aged fuel is one of major causes of engine starting failure. Before storing the unit, empty the fuel tank and run the engine until it uses all the fuel left in the fuel line and the carburetor. Store the unit indoor taking necessary measures for rust prevention. WARNING • Never touch the cylinder, muffler, or spark plugs with your bare hands immediately after stopping the engine.
BK2650DL 11. Troubleshooting guide Case 1. Starting failure CHECK fuel tank fuel filter carburetor adjustment screw sparking (no spark) spark plug → → → → → → PROBABLE CAUSES incorrect fuel fuel filter is clogged out of normal range spark plug is fouled/wet plug gap is incorrect disconnected Case 2.
