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

Zenoah blower owner's manual
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• Before using our products,
please read this manual
CAUTION
carefully to understand the
proper use of your unit.
• Keep this manual handy.
OWNER'S MANUAL
BRUSHCUTTERS
BK3420FL-EZ
848KD593A3 (712)

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Summary of Contents for Zenoah BK3420FL-EZ

  • Page 1 OWNER’S MANUAL BRUSHCUTTERS BK3420FL-EZ • Before using our products, please read this manual CAUTION carefully to understand the proper use of your unit. • Keep this manual handy. 848KD593A3 (712)

  • Page 2: Table Of Contents

    English SAFETY FIRST Instructions contained in warnings within this manual marked with a symbol concern critical points which must 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.

  • Page 3: Parts Location

    English 1. PARTS LOCATION 1. Muffler 2. Fuel tank 3. Fuel tank cap 4. Shoulder frame 5. Shoulder belt 6. Hanging belt 7. Air cleaner 8. Spark plug 9. Fuel cock 10. Carburetor 11. Recoil starter 12. Choke lever 13. Gear case 14.

  • Page 4: Symbols On The Machine

    English 2. SYMBOLS ON THE MACHINE For safe operation and maintenance, symbols are carved in relief on the machine. According these indications, please be careful not to take a mistake. (a).The port to refuel the "MIX GASOLINE" POSITION: FUEL TANK CAP (b).The direction to close the choke POSITION: AIR CLEANER COVER (c).The direction to open the choke...

  • Page 5: Safety Precautions

    English 3. SAFETY PRECAUTIONS ■ BEFORE USING THE MACHINE a. Read this owner's manual carefully to understand how to operate this unit properly. b. This product has been designed for use in trimming grass, and it should never be used for any other purpose since doing so could result in unforeseen accidents and injuries occurring.
  • Page 6 English 3. SAFETY PRECAUTIONS g. Lack of sleep, tiredness, or physical exhaustion results in lower attention spans, and this in turn leads to accidents and injury. Limit the amount of time over which the product is to be used continuously somewhere around 30~40...
  • Page 7 English 3. SAFETY PRECAUTIONS ■ WARNING CONSIDERING HANDLING OF FUEL a. The engine of this product is designed to run on a mixed fuel which contains highly flammable gasoline. You should never store cans of fuel or refill the fuel tank in any place where there is a boiler, stove, wood fire, electrical sparks, welding sparks, or any other...
  • Page 8 English 3. SAFETY PRECAUTIONS person sufficient to ensure safety. c. Make sure that there are no loose screws or bolts, fuel leaks, ruptures, dents, or any other problems which might interfere with safe operation. Be especially careful to check that there is nothing wrong with the blades or with the joints by which the blades are attached to the product.
  • Page 9 English 3. SAFETY PRECAUTIONS when the spinning blade contacts a solid object in the critical area. It is called Kick back. As a result, the operator can lose control of the unit which can cause serious or fatal injury. Avoid kickback, observe the safety precautions below strictly.
  • Page 10 ZENOAH authorized servicing dealer for assistance. b. Under no circumstances should you ever take apart the product or alter it in any way. Doing so might...
  • Page 11 When replacing blade or any other parts or when replacing the oil or any lubricants, always be sure to use only ZENOAH products or products which have been certified by ZENOAH for use with the product.

  • Page 12: Set Up

    English 4. 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 1. Pass the ring of the shoulder strap through the hook(A) and fix it by the bolt securely.
  • Page 13 English 4. SET UP 6. Stretch the main pipe and the flexible shaft straight, thrust the inner shaft into the main pipe while turning it by hand, and connect the inner shaft to the shaft of the main pipe. Unless the end of the inner shaft appears from the flexible shaft, the inner shaft has been correctly connected to the shaft of...
  • Page 14 English 4. SET UP smaller when the wire brace is turned counterclockwise. 2. Tighten the lock nut after adjusting the play, and fix the wire brace. (1) Lock nut (2) Throttle wire (3) Wire brace ■ INSTALLING DEBRIS GUARD WARNING Do not use this machine without the debris guard.
  • Page 15 ■ INSTALLING THE BLADE 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 16 When using the nylon cutter, carefully note the following. • Use ZENOAH’s genuine nylon cutter. When using commercially-available nylon cutter, make sure that it is no longer than 10 cm in external shape.
  • Page 17 SE11 English 4. SET UP 3. Screw the main body of the nylon cutter into the mounting bolt while fixing the blade rest plate with the L-shaped round rod, and tighten the main body of the nylon cutter firmly by hand. (1) Main body of the nylon cutter (2) L-shaped round rod (3) Gear case...

  • Page 18: Fuel

    English 5. FUEL WARNING • Gasoline is very flammable. Avoid smoking or bringing any flame or sparks near fuel. • Wipe up all spills before starting the engine. • Make sure to stop the engine allow cool before refueling the unit. •...

  • Page 19: Operation

    English 6. 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.
  • Page 20 English 6. OPERATION ■ STARTING THE ENGINE WARNING • Before starting the engine after filling with fuel, move the machine at least 3 m away from where it was refueled. Starting the engine where the machine was refueled might cause a fire. •...
  • Page 21 English 6. OPERATION • When starting the engine, place the machine on the ground and hold it securely. Since the blade might touch the ground or object near the machine, do not start the engine while holding up the machine with one hand. •...
  • Page 22 English 6. OPERATION 1. Open the fuel cock. 2. Raise the choke lever on the right of the air cleaner to close the choke. NOTE When you start the engine again immediately after stopping it, pull out the starter rope while keeping the choke opened.
  • Page 23 English 6. OPERATION ■ STOPPING THE ENGINE WARNING • Stop the engine immediately in an emergency. • The blade rotates by inertia for a while after the engine has stopped. Do not touch the blade until the engine has stopped completely.
  • Page 24 English 6. OPERATION ■ CUTTING OPERATION WARNING When using a metal blade, do not cut grass with the right half of the blade. Otherwise, the machine might kick back, causing a serious injury. (1) Area of the blade where the machine is prone to kick back WARNING •...
  • Page 25 English 6. OPERATION ■ SHOULDERING MAIN BODY OF THE UNIT 1. Start the engine and allow it to warm up. Then, return the throttle lever to the idling position, and make sure that the blade does not rotate. 2. Make sure that there is no person or object near the machine.
  • Page 26 (1) Usable area of the blade (2) Area to be used for cutting young grass (3) Area to be used for cutting tough grass ■ SELECTION OF BLADE WARNING • When cutting branches and plants, always use a saw blade, and never use an eight-tooth blade or a four-tooth blade.

  • Page 27: 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 28 ●점검 정비시는 반드시 엔진을 정지해 주십시오. ●기계 본체의 개조나 엔진의 분해는 하지 말아 주십시오. ●부품 교환시에는 제노아 순정부품 또는 지정품을 사용해 주십시오. ●본인이 점검 정비할 수 없는 경우에는 구입하신 판매점에 의뢰해 주십시오.
  • Page 29 English 7. MAINTENANCE ■ BLADE WARNING • In order to carry out cutting work safely, be sure to check the blade before you begin and after you finish your work. If you continue to use a blade which has become loosened, chipped, cracked, broken, or bent, such a blade might disintegrate and broken pieces might hit you or...
  • Page 30 Tools for sharpening Kind of blade the blade 칼날 종류 날 세우는 도구 Four-tooth blade Flat file and Eight-tooth blade pliers-grinder 4매날 평면 끌이나 8매날 뺀치 그라인더 File for adjusting Circular-saw blade a sawtooth blade 둥근톱날 톱날 정리용 끌 English 7.
  • Page 31 English 7. MAINTENANCE ■ AIR CLEANER Take off the air-cleaner cover and remove the dust inside the air cleaner every 25 hours of use. When the air-cleaner element has become extremely contaminated, clean it thoroughly with warm water including a neutral detergent. Install it after drying it completely.
  • Page 32 English 7. MAINTENANCE ■ SPARK PLUG WARNING Do not touch the spark plug with bare hands immediately after stopping the engine. The spark plug is still so hot and might cause burns. Take out the spark plug, check the electrodes, and if contaminated, clean them with a wire brush, etc.
  • Page 33 English 7. MAINTENANCE ■ GEAR CASE Supply lubricating grease to the gear case every 25 hours of use. Designated grease Lithium-based heat-resistant grease (#2) [How to supply grease] 1. Remove the blade and the blade rest plate. 2. Remove the plug beside the gear case, and pour tube grease from the plug hole.
  • Page 34 MA10 English 7. MAINTENANCE ■ MAINTENANCE EVERY 100 HOURS 1. Remove the muffler, insert a screwdriver into the vent, and wipe off any carbon. Also, wipe off any carbon at the muffler outlet. (1) Screwdriver (2) Muffler 2. Further tighten all screws, bolts and fittings.
  • Page 35 MA11 English 7. MAINTENANCE • If the flexible shaft is bent, the play of the throttle wire changes. When you adjust the idling, bend the flexible shaft and adjust the idling in a standing position similar to the position in which you actually use the machine.
  • Page 36 MA12 English 7. MAINTENANCE ■ MAINTENANCE BEFORE LONG- TERM STORAGE WARNING This machine highly inflammable. • When you take fuel out, keep the fuel tank well away from flames. • Be careful not to spill the fuel, and completely wipe off all fuel spills.

  • Page 37: 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 38 8. 8. 트러블 발생시 ●기계의 개조나 분해 등은 절대로 하지 말아 주십시오. 운전시에 기계 본체가 파손하거나, 연료누출이나 작동불량으로 인한 갑작스런 사고를 초래할 우려 가 있습니다. ●점검 처리시에는, 담배 등의 화기를 멀리해 주십시오. 연료에 인화할 우려가 있습니다. ●기계 각 부의 조립부품(볼트, 너트, 나사류)은 반드시 순정품 또는 지정품을 사용해...

  • Page 39: Specifications

    Spark Plug Starting Method Stopping Method (✽1) Excluding blade and fuel Note that detailed specifications of the product might differ from the information described herein due to modifications, etc. ZENOAH Brushcutter BK3420FL-EZ Loop 2304-ø24 10-inch, Chip saw 2-teeth blade, 4-teeth blade, 8-teeth blade, round saw blade, nylon cutter Automatic centrifugal clutch, spiral gear 1.375 (19 : 14)
  • Page 40 Warning on Use, Installation, and Operation! (Safety Precautions) ● The blade of Zenoah’s brushcutter is a safe product manufactured with its own specifications. Before using it, read the following matters well, and follow them to prevent accidents. ● Before using this product, make sure there is no broken or cracked part of the blade.

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