Stihl FS 94 R Instruction Manual

Pages 112

Year 2020

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of 112

Stihl FS 94 R Specification

The Stihl FS 94 R is a professional-grade trimmer designed for landscaping and maintenance tasks, offering a balance of power, precision, and efficiency. It features a 24.1 cc two-stroke engine, delivering a potent combination of performance and fuel efficiency, making it ideal for prolonged use in demanding environments. The trimmer is equipped with an advanced throttle control system that allows for seamless adjustment of engine speed, providing users with optimal control over cutting performance. Weighing approximately 10.1 pounds, the FS 94 R boasts a lightweight design, enhancing maneuverability and reducing operator fatigue during extended periods of use. It includes a solid drive shaft that ensures durability and smooth power transmission from the engine to the cutting head. The trimmer also incorporates a high-capacity fuel tank, minimizing downtime by reducing the frequency of refueling. Its ergonomic design is tailored for user comfort, featuring an adjustable loop handle and an anti-vibration system that significantly reduces operator strain. The Stihl FS 94 R is compatible with a variety of cutting attachments, offering versatility for different landscaping applications, from trimming grass and weeds to tackling thicker vegetation. Additionally, it employs a simplified starting procedure that facilitates quick and easy engine ignition, enhancing user convenience. This model is engineered with a focus on reliability and longevity, utilizing high-quality materials and components to withstand rigorous use. Overall, the Stihl FS 94 R is an expertly crafted trimmer that meets the needs of professional landscapers and demanding users, providing robust performance, exceptional control, and enduring durability.

Stihl FS 94 R F.A.Q.

How do I start the Stihl FS 94 R trimmer?

To start the Stihl FS 94 R, first ensure the trimmer is on a flat surface. Set the throttle trigger lock to the starting position, engage the choke, and pull the starter rope until the engine fires. Once it fires, move the choke to the run position and pull the rope again if necessary.

What type of fuel should I use for the FS 94 R?

The Stihl FS 94 R requires a mix of gasoline and 2-stroke engine oil at a 50:1 ratio. Use unleaded gasoline with a minimum octane rating of 89 and high-quality 2-stroke oil.

How do I replace the trimmer line on the FS 94 R?

To replace the trimmer line, turn off the engine and disconnect the spark plug wire. Remove the trimmer head cover, take out any remaining line, and wind new line onto the spool following the directional arrows. Reattach the cover and ensure it is secure.

Why is my FS 94 R losing power during operation?

Power loss can be due to several factors such as a dirty air filter, clogged fuel filter, or an improper fuel mixture. Check and clean or replace the air filter, ensure the fuel is fresh and properly mixed, and inspect the fuel filter for blockage.

What maintenance should be performed regularly on the FS 94 R?

Regular maintenance includes checking and cleaning the air filter, inspecting the spark plug and replacing if necessary, checking fuel lines for leaks, and cleaning the trimmer head. Additionally, ensure all screws and nuts are tight.

How can I adjust the carburetor on my FS 94 R?

Adjusting the carburetor should be done carefully. Locate the idle speed screw and the low and high-speed adjustment screws. Turn the idle screw to adjust the engine's idle speed. Adjust the low and high-speed screws to fine-tune the engine performance as per the manual instructions.

What should I do if my FS 94 R won't start?

If your FS 94 R won't start, check the fuel for freshness and proper mix. Inspect the spark plug for wear or fouling, and replace if necessary. Ensure the air filter is clean and that the choke is properly set.

How do I clean the air filter on my FS 94 R?

To clean the air filter, remove the filter cover and take out the filter. Wash it with warm, soapy water, rinse, and let it dry completely. Reinstall the filter and cover securely before using the trimmer.

Can I use ethanol-blended fuels in my FS 94 R?

While ethanol-blended fuels up to 10% can be used, it is recommended to use non-ethanol fuel to prevent potential damage and ensure optimal performance.

What is the correct way to store the FS 94 R for winter?

For winter storage, empty the fuel tank and run the engine until it stops to clear the carburetor. Clean the trimmer and inspect it for any damage. Store it in a dry, dust-free place away from direct sunlight.