Zenoah BK3420FL-EZ Owner's Manual
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Zenoah BK3420FL-EZ Owner's Manual

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BK3420FL-EZ
Original Language
01-BK3420FL-EZ_GB_207＿三.indd 1
OWNER'S MANUAL
BRUSHCUTTER
• Before using our products,
please read this manual
carefully to understand the
proper use of your unit.
• Keep this manual handy.
115 49 27 38 (207)
G
B
12.9.21 1:24:07 PM

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Summary of Contents for Zenoah BK3420FL-EZ

  • Page 1 115 49 27 38 (207) OWNER’S MANUAL BRUSHCUTTER BK3420FL-EZ Original Language • Before using our products, please read this manual carefully to understand the proper use of your unit. • Keep this manual handy. 01-BK3420FL-EZ_GB_207＿三.indd 1 12.9.21 1:24:07 PM...

  • Page 2: Table Of Contents

    BK3420FL-EZ Contents SAFETY FIRST Instructions contained in warnings within this manual marked with a symbol concern critical points which must be taken into 1. Parts location ...........2 consideration to prevent possible serious bodily injury, and for 2. Specification ............3 this reason you are requested to read all such instructions care- fully and follow them without fail.

  • Page 3: Specification

    GASOLINE 25 : OIL 1 When using market oil (JASO FB grade oil or ISO-L-EGB grade oil) Mixing rate GASOLINE 50 : OIL 1 Engine When using ZENOAH genuine oil, JASO FD grade oil or ISO-L-EGD grade oil Carburetor Float-type piston valve Sparking Method...

  • Page 4: Warning Labels On The Machine

    BK3420FL-EZ 4. Warning labels on the machine Warning / Attention ① (1) Read owner’s manual before operating this machine. (2) Wear head, eye and ear protection. (3) Don’t remove the debris guard. (4) Keep all children, bystanders and helpers 15 meters away from the brushcutter.

  • Page 5: For Safe Operation

    BK3420FL-EZ 5. For safe operation 2. Never use the product, 1. Read this manual carefully (1) When the ground is slippery or until you completely under- when you can’t maintain a stand and follow all safety and steady posture. operating instructions.
  • Page 6 ZENOAH stumps, stones, cans, or broken servicing dealer for repair. glass. ■ USING THE PRODUCT...
  • Page 7 ■ HANDLING FUEL ■ IF SOMEONE COMES 1. The engine of the ZENOAH 1. Guard against hazardous situa- product is designed to run on a tions at all times. Warn adults to mixed fuel, which contains high- keep pets and children away ly flammable gasoline.
  • Page 8 BK3420FL-EZ 5. For safe operation tive handles. you understand what causes blade thrust, how you can reduce (2) Keep both feet spread apart in a comfortable stance and yet the chance of blade thrust and how you can remain in control of...

  • Page 9: Set Up

    BK3420FL-EZ 6. Set up 6. Stretch the main pipe and the flexible shaft straight, WARNING thrust the inner shaft into the main pipe while turning it by hand, and connect the inner shaft to the shaft • Assemble each part correctly. Wrong assembly of the main pipe.
  • Page 10 BK3420FL-EZ 6. Set up ■ ADJUSTING THE PLAY OF THE THROTTLE ■ INSTALLING DEBRIS GUARD WIRE WARNING IMPORTANT Do not use this machine without the debris guard. If you bend the flexible shaft, the amount of play of the throttle wire changes. Adjust the play while keeping the Fit the top of the debris guard to the gear case, install flexible shaft almost in the actual working condition.
  • Page 11 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.
  • Page 12 BK3420FL-EZ 6. Set up 3. Screw the main body of the nylon cutter into the Installing the nylon cutter (available as an option) mounting bolt while fixing the blade rest plate with IMPORTANT the L-shaped round rod, and tighten the main body of the nylon cutter firmly by hand.

  • Page 13: Fuel

    6. Indicate the contents on outside of container for easy identification. • The Zenoah engines are lubricated by oil specially formulated for air-cooled 2-stroke gasoline engine use. ■ FUELING THE UNIT If Zenoah oil is not available, use an anti-oxidant 1.

  • Page 14: Operation

    BK3420FL-EZ 8. Operation ■ STARTING THE ENGINE IMPORTANT 1. Open the fuel cock. 2. Raise the choke lever on the right of the air cleaner If you repeat the starting operation while leaving the to close the choke. choke closed, the electrodes of the spark plug might become wet and prevent starting.
  • Page 15 BK3420FL-EZ 8. Operation ■ CUTTING OPERATION ■ SHOULDERING THE MAIN BODY OF THE UNIT WARNING 1. Start the engine and allow it to warm up. Then, return the throttle lever to the idling position, and make sure When using a metal blade, do not cut grass with the that the blade does not rotate.
  • Page 16 BK3420FL-EZ 8. Operation ■ WHEN USING A METAL BLADE • Swing the blade from right to left to cut grass. • To cut usual grass, use the part of the blade corre- sponding to 1/2 of the diameter of the blade. To cut tough weeds such as Japanese pampas grass and Solidago altisima, use the part of the blade corre- sponding to 1/3 of the diameter of the blade.

  • Page 17: Maintenance

    • Be sure to stop the engine when carrying out inspection and maintenance. • Do not modify the machine or disassemble the engine. • Use ZENOAH’s genuine parts or designated parts when replacing parts. • If you cannot inspect or maintain the machine yourself, contact the shop where you bought it.
  • Page 18 BK3420FL-EZ 9. Maintenance ■ FLEXIBLE SHAFT ■ ADJUSTING THE ENGINE Apply grease to the flexible shaft every 25 hours use. WARNING 1. Take out the flexible shaft while raising the stopper Continued rotation of the blade after the throttle of the clutch housing.
  • Page 19 BK3420FL-EZ 9. Maintenance ■ AIR CLEANER ■ SPARK PLUG Take off the air-cleaner cover and remove the dust inside WARNING the air cleaner every 25 hours of use. When the air-cleaner element has become extremely Do not touch the spark plug with bare hands im- contaminated, clean it thoroughly with warm water includ- mediately after stopping the engine.
  • Page 20 BK3420FL-EZ 9. Maintenance come round. Such a blade does not cut well, and grass ■ GEAR CASE Supply lubricating grease to the gear case every 25 and twigs easily wind themselves around it, thus increas- ing the load on your arm during cutting and affecting the hours of use.

  • Page 21: Troubleshooting

    • 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 •...

  • Page 22: Limited Warranty

    OF THE COMPANY. ranty period, the failed part will be replaced or re- paired free of charge by a ZENOAH authorized THE COMPANY IS LIABLE FOR DAMAGES TO OTHER dealer. ENGINE COMPONENTS CAUSED BY THE FAILURE OF A WARRANTED PART STILL UNDER WARRANTY.

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