Stihl FW 20 ST Instruction Manual

Pages 19

Year 2004

Language(s)

of 19

Stihl FW 20 ST Specification

The Stihl FW 20 ST is a precision-engineered cutting attachment designed to enhance the functionality of compatible Stihl cut-off machines. Engineered for optimal performance, the FW 20 ST transforms handheld cut-off machines into a versatile and stable cutting system. It features a robust design, ensuring durability and longevity even under rigorous operating conditions. The attachment is constructed with high-quality materials to withstand the demands of professional use, making it ideal for construction and landscaping applications.

The FW 20 ST is equipped with an adjustable cutting depth feature, allowing precise control over the depth of the cut, thus facilitating accuracy in various cutting tasks. It also integrates a quick-mounting system, enabling seamless attachment and detachment from the cut-off machine, which enhances operational efficiency and saves time during job transitions.

Stability is a key characteristic of the FW 20 ST, achieved through its balanced construction that minimizes vibrations. This stability not only improves cutting precision but also reduces user fatigue, thereby increasing productivity over extended periods of use. Furthermore, the attachment's design supports effective dust suppression when connected to a water supply, contributing to a cleaner working environment and prolonging the life of the cutting blade.

The FW 20 ST is compatible with select Stihl cut-off machine models, ensuring flexibility and adaptability in various work settings. Its user-friendly design and reliable performance make it a valuable accessory for professionals seeking to expand the capabilities of their Stihl equipment. Overall, the Stihl FW 20 ST is a testament to precision, durability, and efficiency, designed to meet the high standards of professional craftsmen.

Stihl FW 20 ST F.A.Q.

How do I start the Stihl FW 20 ST?

To start the Stihl FW 20 ST, ensure that the machine is on a flat surface, switch the ignition to the "on" position, engage the choke if the engine is cold, and pull the starter cord firmly until the engine starts.

What type of fuel should I use for the Stihl FW 20 ST?

The Stihl FW 20 ST requires a gasoline-oil mix at a ratio of 50:1. Use high-quality 89 octane unleaded gasoline mixed with a 2-stroke engine oil.

How often should I perform maintenance on the Stihl FW 20 ST?

Regular maintenance should be performed after every 25 hours of use. This includes checking the air filter, inspecting the spark plug, and cleaning the fuel tank.

Why is my Stihl FW 20 ST not cutting properly?

If the Stihl FW 20 ST is not cutting properly, check for a dull blade, ensure the blade is installed correctly, and verify that the cutting depth is set appropriately.

How do I replace the blade on the Stihl FW 20 ST?

To replace the blade, first disconnect the spark plug wire, secure the blade with a clamp, and use the correct wrench to remove the blade bolt. Install the new blade by reversing the process.

What could cause the Stihl FW 20 ST to vibrate excessively?

Excessive vibration can be caused by an unbalanced blade, loose mounting bolts, or worn engine mounts. Inspect these components and replace or adjust as necessary.

How can I improve the fuel efficiency of my Stihl FW 20 ST?

To improve fuel efficiency, regularly clean or replace the air filter, ensure the spark plug is in good condition, and use the correct fuel mixture.

What should I do if the Stihl FW 20 ST engine overheats?

If the engine overheats, turn off the machine immediately, check for blockages in the cooling fins or air intake, and allow the engine to cool before restarting.

How do I store the Stihl FW 20 ST for long periods?

For long-term storage, drain the fuel tank, clean the machine thoroughly, lubricate moving parts, and store in a dry, sheltered area away from direct sunlight.

What should I check if the Stihl FW 20 ST won't start?

If the machine won't start, check the fuel level, ensure the spark plug is clean and properly gapped, verify the choke is in the correct position, and inspect the air filter for blockages.