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7. MAINTENANCE

MA9

MA10

34

■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.

3.Make sure that no oil or grease remains between the clutch lining and the drum. If you see any there, wipe it off using oil-free, lead-free gasoline.

4.Remove the float chamber of the carburetor, and clean the inside of the float chamber.

(1) Float chamber

■ADJUSTING THE ENGINE WARNING

Continued rotation of the blade after the throttle lever is set to the idling position could be dangerous. If the blade continues to rotate even after readjusting the idling adjustment screw, the throttle lever, throttle wire, or clutch might be faulty. Contact the shop where you bought this product, and ask it to check and repair the trouble.

IMPORTANT

•The idling engine speed is adjusted when this product is shipped from the factory, but it might need to be readjusted according to changes in operation conditions (e.g. changes in the stability of the engine, air density, etc.). When readjustment is necessary, try to do so as described below. If this is difficult, contact the shop where you bought this product, and ask it to implement the readjustment.

•Make sure the throttle wire is parallel with the flexible shaft. If the throttle wire is twisted, straighten it.

■매 100시간 사용시 손질

1.머플러를 떼어 내고, 배기구에 드 라이버를 넣어 카본을 제거해 주십 시오. 동시에 머플러 출구의 카본도 제거해 주십시오.

(1)드라이버

(2)머플러

2.각 조임부를 꽉 죄어 주십시오.

3.클러치의 라이닝과 드럼 사이에 오 일이 묻어 있지 않은지를 점검하고, 오일이 묻어 있는 경우에는 오일이 섞어 있지 않은 무연 가솔린으로 닦 아 주십시오.

4.캬뷰레터의 부표실을 떼어 내서 내 부를 청소해 주십시오.

(1)부표실

■엔진조정

스로틀 레버를 아이들링 위치로 한 때 에, 칼날이 계속 회전하는 상태는 위 험합니다. 아이들 조정나사를 재조정 해도 고쳐지지 않을 경우, 스로틀 레 버나 스로틀 와이어의 작동 불량, 클 러치 고장 등의 가능성이 있으므로, 구입한 판매점에 점검수리를 의뢰해 주십시오.

●엔진의 아이들링 회전수는 공장 출 하시에 조정되어 있지만, 운전조건 의 변화(엔진의 상태, 공기밀도의 변화 등)에 의해, 재조정이 필요할 경우가 있습니다. 조정이 필요한 경 우에는, 아래의 요령으로 조정하지 만, 조정을 하기가 어려운 분은 가 능한 한 구입하신 판매점으로 의뢰 해 주십시오.

●스로틀 와이어는, 플랙시블 샤프트 에 평행하게 이어져 있는 것을 확인 해 주십시오. 비틀어져 있는 경우에 는 바로 잡아 주십시오.

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Zenoah BK3420FL-EZ owner manual MA9, MA10, Maintenance Every 100 Hours, Adjusting the Engine Warning, 100시간 사용시 손질
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BK3420FL-EZ specifications

The Zenoah BK3420FL-EZ is a high-performance, professional-grade brush cutter that has gained significant popularity among landscaping and forestry professionals. Renowned for its robust design and powerful features, this machine is engineered to meet the rigorous demands of tackling tough vegetation, making it an excellent choice for both commercial and residential applications.

One of the standout features of the BK3420FL-EZ is its impressive engine. Equipped with a 34 cc, two-stroke engine, it delivers reliable power while maintaining fuel efficiency. This balance is critical for professionals who need a machine that can operate for extended periods without frequent refueling. The technological advancements in Zenoah's engine design contribute to lower emissions, aligning with environmentally conscious practices.

The BK3420FL-EZ also boasts an innovative Easy Start system, which significantly reduces the effort required to start the machine. This feature is particularly beneficial for users who may have difficulty with traditional pull-start systems. With a simple pull of the starter cord, users can initiate operation with minimal resistance, allowing for a hassle-free start every time.

Another notable aspect of the BK3420FL-EZ is its ergonomic design. The machine features a comfortable handlebar configuration that minimizes vibrations, reducing operator fatigue during prolonged use. This is complemented by a lightweight construction that enhances maneuverability without compromising durability.

Additionally, the BK3420FL-EZ comes equipped with a professional-grade steel blade that can easily cut through dense brush and thick grass. The blade's design ensures optimal cutting performance, allowing users to achieve clean and precise results. The machine also supports interchangeable attachments, increasing versatility and enabling users to switch between different cutting implements as needed.

Maintenance of the BK3420FL-EZ is straightforward, thanks to its user-friendly design. Key components are easily accessible, making routine inspections and servicing a simple task. The durable materials used in its construction contribute to a long lifespan, which is essential for professionals looking for a reliable investment in their equipment.

In conclusion, the Zenoah BK3420FL-EZ combines power, efficiency, and user-friendly features, making it a top choice in the brush cutter market. Whether tackling overgrown landscapes or performing routine maintenance, this machine proves to be an invaluable tool for any serious landscaper or gardener.
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