F31

F32

F33

F34

F35

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10. Maintenance

PERIODICAL SERVICE POINTS

1. Cylinder fins

Dust clogging between the cylinder fins will cause overheating of the engine. Periodically check and clean the cylinder fins after removing the air cleaner and the cylinder cover. When installing the cylinder cover, make sure that switch wires and grommets are positioned correctly in place. (F31)

NOTE

Be sure to block the air intake hole.

2. Fuel filter

(1)Using a wire hook, take out the filter from the filler port. (F32)

(1)Fuel filter

(2)Disassemble the filter and wash with gasoline, or replace with a new one if needed.

NOTE

After removing the filter, use a pinch to hold the end of the suction pipe.

When assembling the filter, take care not to allow filter fibers or dust inside the suction pipe.

3. Oil tank

With a wire hook, take out the oil filter through the filler port and clean in gasoline. When putting the filter back into the tank, make sure that it comes to the front right corner. Also clean off dirt in the tank. (F33)

(1) Oil filter

4. Spark plug

Clean the electrodes with a wire brush and reset the gap to .025 in. as necessary.

Champion RCJ-7Y

5. Sprocket

Check for cracks and for excessive wear interfering with the chain drive. If the wearing is found obviously, replace it with a new one. Never fit a new chain on a worn sprocket, or a worn chain on a new sprocket.

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Zenoah G3800AVS manual Periodical Service Points

G3800AVS specifications

The Zenoah G3800AVS is a highly regarded gasoline engine designed specifically for professional outdoor power equipment. Renowned for its reliability and performance, this engine is particularly favored in various applications, including brush cutters, trimmers, and other power tools used in landscaping and forestry.

One of the standout features of the G3800AVS is its advanced anti-vibration system. This technology significantly reduces vibrations felt by the operator, providing a more comfortable experience during extended use. The anti-vibration system allows users to operate the equipment for longer periods without experiencing the fatigue typically associated with high-vibration machines.

The G3800AVS boasts a powerful 38cc displacement engine that delivers impressive torque and power output. This ensures that it can handle tough cutting tasks with ease while maintaining efficient fuel consumption. The engine incorporates a high-performance carburetor that allows for optimal air-fuel mixture, contributing to both power and operational efficiency.

Another notable feature of the G3800AVS is its easy-start system, which simplifies the ignition process. This technology minimizes the effort needed to start the engine, making it accessible for users of all experience levels. Whether you’re a seasoned professional or a casual user, this feature enhances usability.

Durability is a key characteristic of the G3800AVS. Constructed with premium materials, the engine is designed to withstand the rigors of outdoor use. This robustness ensures reliability over time, reducing the likelihood of breakdowns and maintenance needs. Additionally, the engine's design facilitates easy access for servicing, allowing operators to perform routine maintenance with minimal hassle.

The G3800AVS also incorporates advanced emissions control technologies. This allows it to meet or exceed environmental regulations, making it a more eco-friendly choice for users who are conscious of their environmental impact. The engine operates with a lower carbon footprint, contributing to cleaner air and a healthier environment.

In summary, the Zenoah G3800AVS stands out in the competitive market of outdoor power equipment engines. With its anti-vibration technology, robust power output, easy-start system, durable construction, and eco-friendly features, it provides an excellent balance of performance and user comfort. This makes it an ideal choice for professionals and enthusiasts alike, ensuring efficient and effective operation in demanding outdoor environments.