Zenoah BK3420FL-EZ User Manual

BK3420FL-EZ

848KD593A3 (712)

OWNER’S MANUAL

BRUSHCUTTERS

• Before using our products, please read this manual carefully to understand the proper use of your unit.

• Keep this manual handy.

CAUTION

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.

■ NOTES ON TYPES OF

WARNINGS IN THE MANUAL

This mark indicates instructions which must be followed in order to prevent accidents which could lead to serious bodily injury or death.

This mark indicates instructions which must be followed, or it leads to mechanical failure, breakdown, or damage.

This mark indicates hints or directions useful in the use of the product.

NOTE

IMPORTANT

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Contents

1. PARTS LOCATION ………………………3

2. SYMBOLS ON THE MACHINE …………4

3. SAFETY PRECAUTIONS ………………5

4. SET UP …………………………………12

5. FUEL ………………………………………18

6. OPERATION ……………………………19

7. MAINTENANCE …………………………27

8. TROUBLESHOOTING …………………37

9. SPECIFICATIONS ………………………39

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WARNING

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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. Tangle-prevention cover

15. Blade

16. Blade cover

17. Debris guard

18. Main pipe

19. Loop handle

20. Throttle lever

21. Right-hand grip

22. Throttle wire

23. Wire clamp

24. Engine stopping switch

25. Flexible shaft

1. 머플러

2. 연료탱크

3. 연료탱크 뚜껑

4. 등판 프레임

5. 멜빵밴드

6. 지지밴드

7. 에어크리너

8. 스파크 플러그

9. 연료콕

10. 캬뷰레터

11. 리코일 스타터

12. 초크 레버

13. 기어 케이스

14. 감김방지 커버

15. 칼날

16. 칼날 커버

17. 비산방지 커버

18. 메인 파이프

19. 루프핸들

20. 스로틀 레버

21. 오른손 글립

22. 스로틀 와이어

23. 와이어 크램프

24. 엔진정지 스위치

25. 플렉시블 샤프트

English

For safe operation and maintenance, symbols are carved in relief on the machine. According to 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 POSITION: AIR CLEANER COVER

2. SYMBOLS ON THE MACHINE

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.

c. You should never use this product

when under the influence of alcohol, when suffering from exhaustion or lack of sleep, when suffering from drowsiness as a result of having taken cold medicine, or at any other time when a possibility exists that your judgment might be impaired or that you might not be able to operate the product properly and in a safe manner.

d. Avoid running the engine indoors.

The exhaust gases contain harmful carbon monoxide.

e. Never use your product under

circumstances like those described below:

1. When the ground is slippery or when other conditions exist which might make it not possible to maintain a steady posture while using the product.

2. At night, at times of heavy fog, or at any other times when your field of vision might be limited and it would be difficult to gain a clear view of the area.

3. During rain storms, during lightning storms, at times of strong or gale-force winds, or at any other times when weather conditions might make it unsafe to use this product.

f. When using this product for the

first time, before beginning actual work, learn to handling the product from skilled worker.

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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 to somewhere around 30~40 minutes per session, and take 10~20 minutes of rest between work sessions. Also try to keep the total amount of work performed in a single day under 2 hours or less.

h. Be sure to keep this manual handy

so that you may refer to it later whenever any questions arise.

i. Always be sure to include this

manual when selling, lending, or otherwise transferring the ownership of this product.

j. Never allow children or anyone

unable to fully understand the directions given in this manual to use this product.

■

WORKING GEAR AND CLOTHING

a. When using your product, you

should wear proper clothing and protective equipment as follows.

(1) Helmet (2) Protection goggles or face

protector (3) Thick work gloves (4) Non-slip-sole work boots (5) Ear protectors

b. And you should carry with you

things as follows.

1. Attached tools and files

2. Properly reserved fuel

3. Spare blade

4. Things to notify your working area (Rope, warning signs)

5. Whistle (for collaboration or emergency)

6. Hatchet or saw (for removal of obstacles)

c. Never use your product when

wearing pants with loose cuffs, when wearing sandals, or when barefoot.

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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 source of heat or fire which might ignite the fuel.

b. Smoking while operating the

product or refilling its fuel tank is extremely dangerous. Always be sure to keep lit cigarettes away from the product at all times.

c. When refilling the tank always turn

off the engine first and take a careful look around to make sure that there are no sparks or open flames anywhere nearby before refueling.

d. If any fuel spillage occurs during

refueling, use a dry rag to wipe up spills before turning the engine back on again.

e. After refueling, screw the fuel cap

back tightly onto the fuel tank and then carry the product to a spot 3m or more away from where it was refueled before turning on the engine.

■ THINGS TO CHECK BEFORE USING THE PRODUCT

a. Before beginning work, look

around carefully to get a feel for the shape of the land, or grass to be trimmed, and whether or not there are any obstacles which might get in the way while working, and remove any obstacles which can be cleared away.

b. The area within a perimeter of

15m of the person using the product should be considered a hazardous area into which no one should enter while the product is in use, and when necessary yellow warning rope, warning signs should be placed around the work area. When work is to be performed simultaneously by two or more persons, always check the presence and locations of others so as to maintain a distance each

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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.

d. Never use blades that are bent,

warped, cracked, broken or damaged in any way.

e. Keep the blade always sharp. f. Filing the cutting edges, keep the

end corner sharp and round the root of the edge.

g. Check the bolt to fasten the blade

and be sure the blade turns smoothly without abnormal noise.

■ NOTES ON STARTING THE ENGINE

1. Take a careful look around to make sure that no obstacles exist within a perimeter of 15m or less around the product.

2. Place the body of the product onto the ground in a flat clear area and hold it firmly in place so as to ensure that neither the blades nor the throttle come into contact with any obstacles when the engine starts up.

3. Place the throttle into the idling position when starting the engine.

4. After starting up the engine, if the blades continue to rotate even after the throttle has been moved fully back, turn off the engine and check the throttle wire and other parts.

■

KICKBACK SAFETY PRECAUTIONS

•A dangerous reaction may occur

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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.

1. Keep the cutting blades clear of fances, posts, wires, and rocks to prevent kickback and damage to the blades.

2. When using your product, do not grip other parts except the handles.

3. When using your product, never take your eyes off. If you need to, place the throttle into the idling position.

4. When using your product, do not let the unit get closer to your feet nor raise the unit above your waist.

■ NOTES ON TRANSPORTATION

a. Make sure the appropriate blade

cover is in place.

b. When transporting by car, fix the

unit firmly using a rope. Do not transport by bicycle or motorbike because it is dangerous.

c. Never transport the product over

rough roads over long distances without first removing all fuel from the fuel tank, as doing so might cause fuel to leak from the tank.

■

OPERATION SAFETY PRECAUTIONS

a. Grip the handles of the product

firmly with both hands. If you suspend the work, place the throttle into the idling position.

b. Always be sure to maintain a

steady, even posture while working.

c. Maintain the speed of the engine

at the level required to perform cutting work, and never raise the speed of the engine above the level necessary.

d. If the grass gets caught in the

blade during operation, or if you

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3. SAFETY PRECAUTIONS

need to check the unit or refuel the tank, always be sure to turn off the engine.

e. If the blade touches a hard object

like a stone, immediately stop the engine and check if something is wrong with the blade. If so, replace the blade by new one.

f. If someone calls out while working

,always be sure to turn off the engine before turning around.

g. Never touch the spark plug or plug

cord while the engine is in operation. Doing so may result in being subjected to an electrical shock.

h. Never touch the muffler, spark

plug, or other metallic parts of the engine while the engine is in operation or immediately after shutting down the engine. Doing so may result in serious burns.

i. When you finish cutting in one

location and wish to continue work in another spot, turn off the engine and turn the unit as the blade faces away from your body.

■ MAINTENANCE SAFETY PRECAUTION

a. Perform the maintenance and

checking operations described in this manual at regular intervals. If any parts must be replaced or any maintenance or repair work not described in this manual must be performed, please contact a representative from the store nearest 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 result in the product becoming damaged during operation or the product becoming unable to operate properly.

c. Always be sure to turn off the

engine before performing any maintenance or checking procedures.

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d. When sharpening, removing, or

reattaching the blade, be sure to wear thick, sturdy gloves and use only proper tools and equipment to prevent injury.

e. 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.

3. SAFETY PRECAUTIONS

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4. SET UP

• 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.

2. Set the hook(B) of each shoulder strap to the D-rings on the frame.

(A) UPPER SIDE (B) LOWER SIDE (1) Hook (A) (2) Bolt (3) D-ring (4) Hook (B)

■ CONNECTING THE FLEXIBLE SHAFT

1. Remove the clamping bolt (M5xL10) in the center of the end of the joint, and loosen the fastening bolt (M5xL10) and the screw (M5xL18) for mounting the throttle lever.

2. Insert the main pipe into the joint while turning it clockwise and counterclockwise slightly.

3. Align the safety-lock hole of the joint with the hole of the main pipe, screw the clamping bolt and fasten it tightly.

4. Tighten the fastening bolt of the joint, and fix the main pipe firmly.

[Tightening torque]

4.9 to 7.8 N-m (0.5~0.8 kg-m)

5. Screw the throttle-lever mounting screw, and fasten it tightly.

(1) Screw (M5xL18) (2) Clamping bolt (M5xL10) (3) Safety-lock hole (4) Main pipe (5) Throttle lever (6) Joint (7) Clamping bolt (M5xL10)

WARNING

SE1

SE2

●조립시에는 각 부품을 올바르게 조 립해 주십시오. 틀리게 조립하면 사 고의 원인이 될 우려가 있습니다.

●본인이 직접 조립하는 것이 어려우 면 구입한 상점에 상담해 주십시오.

■멜빵 벤드의 장착

1.멜빵 벤드 상부의 금속부분을 프레 임 상부의 호크에 걸고, 부속의 육 각볼트(M5×12) 1개를 사용하여 빠지지 않도록 조여 주십시오.

2.멜빵 벤드 하부의 호크를, 프레임 하부의 밴드장착 금속부분(D링)에 끼워 주십시오.

(A)상부 (B)하부 (1)호크 (2)볼트 (3)D링 (4)호크

■플랙시블 샤프트의 접속

1.조인트 선단부 중앙의 탈락방지 볼 트(M5×L10)를 분리하고, 조임볼 트(M5×L10) 및 스로틀 레버 장 착나사(M5×L18)를 풀어 주십시 오.

2.메인 파이프를 가볍게 좌우로 돌리 면서 조인트를 밀어넣어 주십시오.

3.조인트의 탈락방지용 나사구멍과 메인 파이프의 구멍을 맞춘 후에 탈 락방지볼트를 돌려서 끼우고 단단 히 조여 주십시오.

4.조인트 조임볼트를 조여서 메인 파 이프를 단단히 고정하여 주십시오.

【조임 토크】

4.9~7.8N·m (0.5~0.8kg-m)

5.스로틀 레버 장착나사를 돌려서 끼 우고 단단히 주여 주십시오.

(1)나사(M5×L18) (2)탈락방지볼트(M5×L10) (3)탈락방지구멍 (4)메인 파이프 (5)스로틀 레버 (6)조인트 (7)조임볼트(M5×L10)

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