F8-12

F8-13

F8-14

English

8. Operation

CHAIN BRAKE

This machine is equipped with an automatic brake to stop saw chain rotation upon occurrence of kickback while in saw cutting operation. The brake is automatically operated by inertial force which acts on the weight fitted inside the front guard.

This brake can also be operated manually with the front guard turned down to the guide bar.

To release brake, pull up the front guard toward the front handle till "click" sound is heard.

(1)Front handle

(2)Released

(3)Braking

(4)Brake lever

IMPORTANT

Be sure to confirm brake operation on the daily inspection.

How to confirm:

1)Turn off the engine.

2)Holding the chain saw horizontally, release your hand from the front handle, hit the tip of the guide bar to a stump or a piece of wood, and confirm brake operation. Operating level varies by bar size.

In case the brake is not effective, ask our dealer inspection and repairing.

The engine, if being kept rotated at high speed with the brake engaged, heats the clutch, causing a trouble. When the brake is operated while in operation, immediately release your fingers from the throttle lever and stop the engine.

STOPPING ENGINE

1.Release the throttle lever to allow the engine idling for a few minutes

2.Put the switch to the "O" (STOP) position. (F8-14)

(1) Switch

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Zenoah G621AVS F8-12 F8-13 F8-14, Chain Brake, Front handle Released Braking Brake lever, How to confirm, Stopping Engine

G621AVS specifications

The Zenoah G621AVS is a powerful and reliable two-stroke engine designed for a wide range of applications, particularly in the realm of remote-controlled (RC) models and outdoor power equipment. Recognized for its blend of performance, efficiency, and durability, the G621AVS is a popular choice among hobbyists and professionals alike.

One of the standout features of the G621AVS is its displacement of 62cc, which provides a significant power output, making it suitable for various applications including RC helicopters, airplanes, and large-scale gardening equipment. This engine is engineered with a parallel twin-cylinder configuration, allowing for improved torque and smoother operation, which enhances overall performance and responsiveness.

The G621AVS utilizes advanced anti-vibration systems to reduce operational vibrations. This technology ensures user comfort and improves the longevity of the engine components by minimizing wear and tear caused by excessive vibrations. Consequently, operators can enjoy extended periods of use without fatigue, whether they are flying an RC aircraft or operating gardening tools.

Zenoah has also implemented a sophisticated carburetor system in the G621AVS, optimizing fuel efficiency while ensuring high performance. The engine is designed to deliver a stable fuel-air mixture, allowing for consistent power output and reliable starts. This results in lower fuel consumption, which is not only cost-effective but also environmentally friendly, reducing emissions without sacrificing performance.

Another characteristic of the G621AVS is its robust construction. Built with high-quality materials, the engine is designed to withstand harsh operating conditions. The durable design prolongs the lifespan of the engine, giving users confidence in their investment while ensuring dependable operation in various environments.

Easy maintenance is another key feature of the G621AVS. The engine is designed for straightforward access to components, making regular maintenance tasks less time-consuming and more accessible for users. Zenoah provides comprehensive support and resources, ensuring users can efficiently maintain high performance over the life of the engine.

In conclusion, the Zenoah G621AVS stands out in the competitive landscape of two-stroke engines, thanks to its powerful output, advanced technologies, and user-friendly features. Whether used in RC hobbies or professional applications, this engine promises reliability and efficiency, making it a top choice for those seeking performance and durability.