Stihl FS 460 C-M FS 490 C-M Instruction Manual

Stihl FS 460 C-M FS 490 C-M manual cover

Pages 116

Year 2020

Language(s)

of 116

Stihl FS 460 C-M FS 490 C-M Specification

The Stihl FS 460 C-M and FS 490 C-M are professional-grade brushcutters designed for demanding landscape maintenance tasks. Both models are equipped with the innovative M-Tronic engine management system, which automatically adjusts the engine's performance to match the working conditions, ensuring optimal power and efficiency. The FS 460 C-M features a powerful 45.6 cc engine, delivering consistent performance for clearing tough vegetation. In contrast, the FS 490 C-M is equipped with a larger 51.6 cc engine, providing enhanced power for more challenging tasks.

These brushcutters are built with a robust design, incorporating a solid drive shaft and an ergonomic bike handle that ensures comfortable handling and control during prolonged use. The anti-vibration system significantly reduces operator fatigue, allowing for extended operation without sacrificing comfort. Both models include a 2-MIX engine, which combines high torque over a wide speed range with reduced emissions, adhering to stringent environmental standards.

The Easy2Start system simplifies the starting process, reducing the effort required to start the engine. A large fuel tank capacity supports longer run times between refills, making these tools highly suitable for large-scale operations. The FS 460 C-M and FS 490 C-M are equipped with a multi-function control handle that centralizes all controls for ease of use. Additionally, the tool-free adjustable handlebar ensures quick adjustments to suit the user's preference, enhancing overall efficiency and productivity. These brushcutters are engineered for durability and reliability, making them ideal for professionals seeking high-performance equipment for demanding applications.

Stihl FS 460 C-M FS 490 C-M F.A.Q.

How do I start the Stihl FS 460 C-M?

To start the Stihl FS 460 C-M, first ensure the machine is on a flat surface. Set the switch to the start position, prime the fuel pump bulb until it is full, set the choke, and pull the starter rope firmly until the engine fires.

What type of fuel should I use for the Stihl FS 490 C-M?

Use a high-quality 2-stroke engine oil mixed with unleaded gasoline at a ratio of 50:1 for the Stihl FS 490 C-M. Ensure the gasoline has an octane rating of at least 89.

How can I troubleshoot starting issues with the FS 460 C-M?

If the FS 460 C-M won't start, check the fuel level and quality, inspect the spark plug for fouling, ensure the air filter is clean, and verify that the choke is properly set.

What maintenance is required for the FS 490 C-M air filter?

Regularly check the air filter of the FS 490 C-M and clean it if dirty. Replace the filter if it is damaged or excessively dirty. This ensures optimal engine performance and longevity.

How often should I sharpen the cutting blades on these models?

Sharpen the cutting blades whenever you notice a decrease in cutting performance. This can vary depending on use, but checking every 25 hours of operation is a good practice.

What should I do if the FS 460 C-M engine overheats?

If the engine overheats, stop the machine and let it cool down. Check for any blockages in the air intake and clean them. Ensure the cooling fins are clean and the fuel mix is correct.

How do I adjust the carburetor on the FS 490 C-M?

Adjust the carburetor on the FS 490 C-M by locating the adjustment screws marked ‘L’ for low speed, ‘H’ for high speed, and ‘LA’ for idle. Adjust them with a screwdriver according to the engine's response and recommended settings in the manual.

Is there a specific way to store the FS 460 C-M during the off-season?

For off-season storage, clean the FS 460 C-M thoroughly, empty the fuel tank, and run the engine until it stops to clear the carburetor. Store in a dry place and consider adding a fuel stabilizer.

What safety gear should I wear when operating the FS 490 C-M?

When operating the FS 490 C-M, wear protective eyewear, ear protection, gloves, sturdy footwear, and long pants to protect against debris and noise.

How can I enhance the performance of my Stihl FS 460 C-M?

To enhance performance, regularly maintain the trimmer by cleaning the air filter, ensuring the spark plug is in good condition, using fresh fuel, and keeping the cutting blade sharp.