Summary of Contents for Zenoah BRUSHCUTTERS BK3410FL
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OWNER’S MANUAL BRUSHCUTTERS BK3410FL / BK3410FL-S BK4310FL / BK4310FL-S Caution • Before using our brushcutter, please read this manual carefully to understand the proper use of your unit. • Keep this manual handy.
SAFETY FIRST Instructions contained in warnings within this manual marked with a symbol concern critical points which must be taken 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.
1. Warning labels on the machine (1) Read owner’s manual before operating this machine. (2) Wear head, eye and ear protection. (3) Wear foot protection. (4) Wear gloves. (5) Beware of thrown objects. (6) Warning / Attention (7) Keep all children, bystanders and helpers 15 meters away from the machine. IMPORTANT If warning label peels off or becomes soiled and impossible to read, you should contact the dealer from which you purchased the product to order new labels and affix them in...
Counterclockwise (from operator' s view) Single cylinder air cooling 2-cycle gasoline engine 33.6 Lubricating oil mixed gasoline when using ZENOAH genuine oil (FC grade): 50:1 when using market oil (FB grade): 25:1 Sparking Circuit Primary Short (push button) BK4310FL/BK4310FL-S Loop 315 x 270 x 410 1.235 (21 : 17)
4. Safety precautions 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...
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If it continues to rotate even after the throttle trigger has been moved fully back, turn off the engine and take the unit to your authorized ZENOAH servicing dealer for repair. ■ USING THE PRODUCT IMPORTANT Cut only materials recommended by the manufacturer.
■ HANDLING FUEL 1. The engine of the ZENOAH product is designed to run on a mixed fuel, which contains highly flammable gasoline. Never store cans of fuel or refill the...
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4. Safety precautions This contact causes the blade to stop for an instant and then suddenly move or ”bounce” away from the object that was hit. The operator can lose control of the unit and the blade can cause serious personal injury to the operator or any person nearby if the blade contacts any part of the body.
5. Set up WARNING • Assemble each part correctly. Wrong assembly might cause an accident. • If you cannot do the assembling yourself, consult the shop where you bought this product. ■ ATTACHING THE SHOULDER STRAP (SE1) 1. Pass the ring of the shoulder strap through the hook(A) and fix it by the bolt securely.
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WARNING • Do not install or remove the blade while the engine is in operation. • Use ZENOAH’s genuine replacement blades and metal fixtures when installing the blade. • When installing or removing the blade, fix the machine securely, and wear robust gloves.
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When using the nylon cutter, carefully note the following. • Use ZENOAH’s genuine nylon cutter. When using a commercially-available nylon cutter, make sure that it is no longer than 10 cm in external shape.
Mixing ratios: When using Zenoah genuine 2-cycle oil (FC grade): 50:1 (100 ml of oil for every 5 liters of gasoline) When using commercially available 2-cycle oil (FB...
7. Operation ■ REFUELING WARNING • Refuel the fuel tank in a flat place outdoors. Avoid smoking or bringing any flame or spark near the fuel, and stub out any cigarette. • When refueling the fuel tank while using this machine, make sure to stop the engine and allow it to cool before refueling the fuel tank.
7. Operation position and pull out the starter rope repeatedly, or try the starting operation again after removing the spark plug and drying the electrode. 1. Open the fuel cock. (OP2) 2. Move the choke lever to the closed position. (OP2) NOTE When restarting immediately after stopping the engine, move the choke lever to the open position.
7. Operation ■ CUTTING OPERATION WARNING • Always wear eye protection such as safety goggles. Never lean over the rotating cutting head. Rocks or other debris could be thrown into eyes and face and cause serious personal injury. • Keep the debris guard attached in place at all times when the unit is operated.
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7. Operation 4. Use a slow, deliberate action to cut heavy growth. The rate of cutting motion will depend on the material being cut. Heavy growth will require slower action than will light growth. 5. Never swing the unit so hard as you are in danger of losing your balance or control of the unit.
8. Maintenance ■ BLADE • Sharpen each cutting edge and make sure the bottom corner is rounded. (MA1) • Do not cool the blade with water in case of using grinder. It may cause cracks on blade. ■ REFILLING TRIMMING LINE (MA2) 1.
8. Maintenance ■ FUEL FILTER WARNING When you mount or dismount the fuel filter, be careful not to damage the rubber packing. A damaged rubber packing or insufficient mounting of the fuel filter will cause fuel to leak. Check how heavily the fuel filter is clogged from the fueling port of the fuel tank every 25 hours of use.
8. Maintenance on the side where the main pipe is installed, and mount the plug in its original position. 4. Wipe off the pushed-out grease, and mount the blade and the blade rest plate in their original positions. (1) Plug (2) Blade rest plate ■...
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8. Maintenance The engine revolution speed increases when you turn the idling adjustment screw clockwise, and decreases when you turn it counterclockwise. Standard idling revolution speed: 2,300 to 2,700 rpm MA11 (1) Idling adjustment (2) Rotation increases. (3) Rotation decreases. ■...
• When the symptoms in the left column do not improve after taking the measures in the right column, please contact the shop where you bought this product. • For the measures marked with ✩, please buy ZENOAH’s genuine parts at the shop where you bought this product. WARNING •...
Should any failure occur on the product under normal operating conditions within the applicable warranty period, the failed part will be replaced or repaired free of charge by a ZENOAH authorized dealer. WARRANTY PERIOD: Six (6) months after purchased by end-user subject to 12 months from produced month.
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To Dealer: Please complete the following form at time of sale. Product Model: ZENOAH BK3410FL BK4310FL Date of Purchase: D / M / Y Name: Purchaser: Address/Phone: Name: Dealer: Address/Phone: To Purchaser: When your unit requires any repair, please bring or send it to the dealer with this sheet attached.
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