Maintenance of Saw Chain and Guide Bar

2. Fuel filter

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

Fuel filter

(b)Disassemble the filter and wash with gasoline, or replace with 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.

Oil filter

G3700

4.Spark plug

0.6~ 0.7 mm

		Champion
		RCJ-7Y
Clean the electrodes with a wire brush and reset the gap to G
0.65 mm as necessary.		B
		B
5.	Sprocket

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

8. Maintenance of Saw Chain and Guide Bar

■Saw Chain

WARNING

It is very important for smooth and safe operation to always keep the cutters sharp.

The cutters need to be sharpened when:

•Sawdust becomes powder-like.

•You need extra force to saw in.

•The cut path does not go straight.

•Vibration increases.

•Fuel consumption increases.

Cutter setting standards:

WARNING

Be sure to wear safety gloves.

Before filing:

•Make sure the saw chain is held securely.

•Make sure the engine is stopped.

•Use a round file of proper size for the chain.

Chain type: 95VP

File size:	3/16 in (4.76 mm)
Chain type:	25AP
File size:	5/32 in (4.0 mm)

Place the file on the cutter and push straight forward. Keep the file position as illustrated.

After each cutter has been filed, check the depth gauge and file it to the proper level as illustrated.

Appropriate gauge checker

Make the shoulder round

.025″ (0.65 mm)

Depth gauge standard

GB-13

G3700 specifications

The Zenoah G3700 is a powerful and reliable engine widely recognized in the world of outdoor power equipment, especially for applications in the fields of landscaping, forestry, and agriculture. Engineered with precision, this two-stroke engine is designed to deliver consistent performance, making it a preferred choice for professionals and enthusiasts alike.

One of the standout features of the Zenoah G3700 is its impressive displacement of 36.3cc, providing powerful horsepower while maintaining a lightweight design. This balance ensures that tools powered by the G3700 engine remain user-friendly and easy to handle, especially during extended periods of operation. The engine produces around 1.5 kW of power, enabling efficient cutting, trimming, and other demanding tasks with ease.

The G3700 employs advanced combustion technologies that optimize fuel efficiency while minimizing emissions. This not only enhances the engine's performance but also aligns with modern environmental standards, making it a more sustainable option for users concerned about their ecological footprint. The integration of a catalytic converter contributes significantly to reducing harmful exhaust emissions, thus promoting cleaner operation.

Additionally, the engine is equipped with a sophisticated ignition system that ensures reliable starting and smooth operation. The electronic ignition system reduces maintenance needs over time and enhances overall engine reliability. Moreover, the G3700 features a robust air filtration system that significantly improves air intake, leading to better performance and lifespan for the engine.

Durability is another characteristic that sets the Zenoah G3700 apart. Its construction utilizes high-strength materials that can withstand the rigors of heavy-duty use, leading to longer intervals between service and an overall reduction in operational costs. The engine's design has been carefully crafted to dissipate heat efficiently, preventing overheating during prolonged use.

The Zenoah G3700 is often used as the power source for a variety of applications, including chainsaws, brush cutters, and trimmers, accommodating the diverse needs of professionals in different landscaping and maintenance contexts. Its versatility and ease of integration with various attachments further enhance its appeal in the market.

In conclusion, the Zenoah G3700 is a testament to advanced engineering in two-stroke engine design, offering a blend of power, efficiency, durability, and user-friendliness, making it an excellent choice for anyone seeking reliable performance in their outdoor power equipment. Whether for professional landscaping or home gardening projects, the G3700 stands out as an invaluable tool.

Zenoah G3700 owner manual Maintenance of Saw Chain and Guide Bar

Models: G3700