Zenoah BK3420FL-EZ owner manual Troubleshooting, Phenomenon Main Cause Measures

Page 37

8. TROUBLESHOOTING

 

 

English

 

 

 

 

 

 

 

 

 

 

PHENOMENON

MAIN CAUSE

MEASURES

 

 

 

 

 

The engine does not start.

• Bad fuel (different quality, deterioration)

• Replace it with normal fuel (page 18).

 

 

 

 

 

 

• Excessive sucking of fuel

• Open the choke, open the throttle full

 

 

 

open, and pull out the rope repeatedly

 

 

 

(page 20,21).

 

 

 

 

 

 

• Clogging of the muffler exhaust vent

• Clean the muffler (page 34).

 

 

 

 

 

 

• Contamination of the spark plug electrodes,

• Clean the electrodes or replace the plug

 

 

Short-circuit or breaking of a wire

(page 32✩).

 

 

 

 

 

The engine does not accelerate.

• Bad fuel (different quality, deterioration)

• Replace it with normal fuel (page 18).

 

 

 

 

 

 

• Clogging of the muffler exhaust vent

• Clean the muffler (page 34).

 

 

 

 

 

The engine stalls when the throttle

• The idling revolution speed is too low.

• Readjust the idling adjustment screw

 

is returned to its original position.

 

(page 35).

 

 

 

 

 

The engine rotation speed changes.

• Clogging of the fuel filter

• Clean or replace the fuel filter (page 31✩).

 

 

 

 

 

Abnormal vibration

• Deformation or damage of the blade

• Replace the blade (page 27✩).

 

 

 

 

 

Deterioration of fuel consumption

• Clogging of the air cleaner

• Clean the air cleaner (page 31).

 

 

 

 

 

 

• Blunt blade

• Replace the blade (page 27✩).

 

 

 

 

 

 

• Bad lubrication of the flexible shaft

• Supply grease (page 33).

 

 

 

 

 

 

•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

•Do not modify or disassemble the machine. Modification or disassembly of the machine might cause the machine to be damaged during operation, or cause an unexpected accident due to the leakage of fuel or malfunction of the machine.

•When you carry out inspection or maintenance of the machine, keep the machine clear of fire (such as a lit cigarette). Otherwise, the fuel might catch fire.

•Use ZENOAH’s genuine or dedicated tightening parts (bolts, nuts and screws). Use of other manufacturers’ parts might damage the machine, or cause an unexpected accident due to parts falling off while the machine is in operation.

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Contents BK3420FL-EZ Contents Parts Location Symbols on the Machine Before Using the Machine Safety PrecautionsWorking Gear and Clothing a. When using your product, you Handling of Fuel Things to Check Before Using the ProductKickback Safety Precautions Operation Safety Precautions Maintenance Safety Precaution Safety Precautions Connecting the Flexible Shaft SET UPSE1 SE2 Attaching the Shoulder StrapSE3 Adjusting the Play of the Throttle WireSE4 SE5 스로틀 와이어의 이격조정SE6 Installing Debris GuardSE7 SE8Installing the Metal Blade Installing the Blade WarningSE9 a SE9 bBlade rest plate Shaped round rod Gear case SE10Tightening torque 14.7 to 19.6 N-m 150 to 200 kgf-cm 나일론 컷터별매 방착방법SE11 Recommended Mixing Ratio FuelGasoline 25 Oil OP1 OperationRefueling Warning Tank cap Fuel tankStarting the Engine Warning 감전에 의한 쇼크의 우려가 있으므 로 운전중에는 스파크 플러그나 플 러그 코드를 만지지 마십시오 Choke lever Close Open Fuel cock Closed Opened OP2 OP3 OP4Stopping the Engine Warning OP5Cutting Operation Warning OP6Shouldering the Main Body of the Unit OP7Cutter Application Chart When Using a Metal BladeOP8 OP9Inspection and Maintenance Item Period of USE Remarks MaintenanceInspection Items Measures Regular InspectionPage Blade MA1 HOW to Sharpen the Blade WarningMA2 Tools forMA3 MA4 AIR CleanerFuel Filter Warning MA6 MA5Spark Plug Warning NGK BPM7AGear Case MA7 MA8Flexible Shaft Adjusting the Engine Warning Maintenance Every 100 HoursMA9 MA10MA11 How to adjust the idling revolution speed표준 아이들링 회전수 2300~2700rpm MA12 Maintenance Before LONG- Term StorageTank cap Fuel tank 장기 보관시의 손질 주십시오 연료를 흘리지 않도록 주의하고, 흘 연료는 완전히 닦아 주십시오Phenomenon Main Cause Measures Troubleshooting트러블 발생시 BK3420FL-EZ SpecificationsInstallation, and Operation Safety Precautions

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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