Installing guide bar and saw chain, F6-1 F6-2 F6-3

Zenoah G621AVS Installing guide bar and saw chain, F6-1 F6-2 F6-3, Chain cover Tensioner nut

F6-1

F6-2

F6-3

English

6. Installing guide bar and saw chain

WARNING

The saw chain has very sharp edges. Use thick protective gloves for safety.

1.Loosen the nuts and remove the chain cover. (F6-1)

2.Install the attached spike to the power unit.

3.Fit the saw chain around the guide bar and. while gearing the chain to the sprocket, mount the guide bar to the power unit Then fit the chain tensioner nut into the lower hole of the guide bar.

(1)Chain cover

(2)Tensioner nut

NOTE

Pay attention to the correct direction of the saw chain. (F6-2)

(1) Moving Direction

4.Fit the chain cover to the power unit and fasten the nuts to finger tightness.

5.While holding up the tip of the bar, adjust the chain tension by turning the tensioner screw until the tie straps just touch the bottom side of the bar rail.

6.Tighten the nuts securely with the bar tip held up. Then check the chain for smooth rotation and proper tension while moving it by hand. If necessary, readjust with the chain cover loose.

7.Tighten the tensioner screw. (F6-3)

(1)Loosen

(2)Tighten

NOTE

A new chain will expand its length in the beginning of use. Check and readjust the tension frequently as a loose chain can easily derail or cause rapid wear of itself and the guide bar.

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.