Husqvarna RA850 Operator's Manual

Husqvarna RA850 Brushcutter manual cover
Pages 40
Year 2022
Language(s)
English en
Russian ru
Spanish sp
Portuguese pt

Husqvarna RA850 Brushcutter Specification

The Husqvarna RA850 Brushcutter is designed for efficient grass and brush clearing, ideal for both professional landscapers and homeowners with demanding yard maintenance needs. Powered by a robust 2-stroke engine, it delivers high torque and consistent power output, ensuring optimal cutting performance in dense vegetation. The engine's displacement is 25.4cc, which combines fuel efficiency with powerful operation, making it suitable for extended use.

Equipped with an ergonomic harness, the RA850 reduces operator fatigue, allowing for extended usage without compromising comfort. The brushcutter features a straight shaft design, providing extended reach and improved maneuverability under obstacles and in tight spaces. Its adjustable loop handle enhances user control and flexibility, accommodating different working positions and user preferences.

The cutting system consists of a durable steel blade, engineered for high durability and precision cutting. The RA850 is also equipped with a Tap 'N Go line trimmer head, facilitating easy line feed with a simple tap to the ground, which minimizes downtime and maximizes productivity.

Safety features include an intuitive stop switch, which automatically resets to the 'on' position for easier starting, and a throttle lock-out to prevent accidental acceleration. The brushcutter's lightweight design, weighing approximately 5.8 kg, makes it easy to maneuver while reducing operator strain.

Maintenance is simplified with easy access to the air filter and a transparent fuel tank for quick level checks. The RA850 is built with durable materials, ensuring longevity and reliability even under tough conditions. This brushcutter is engineered to meet the demands of challenging environments, offering a blend of power, efficiency, and operator comfort.

Husqvarna RA850 Brushcutter F.A.Q.

How do I start the Husqvarna RA850 Brushcutter?

To start the Husqvarna RA850 Brushcutter, ensure the stop switch is in the "on" position, prime the fuel bulb until it is full, set the choke to full position if the engine is cold, pull the starter handle until the engine fires, and then set the choke to the run position.

What type of fuel should I use for the Husqvarna RA850 Brushcutter?

Use a mixture of unleaded gasoline and high-quality two-stroke engine oil at a ratio of 50:1. Ensure the gasoline has an octane rating of at least 89.

How often should I clean the air filter on my Husqvarna RA850 Brushcutter?

Check and clean the air filter after every 25 hours of use or more frequently in dusty conditions. Replace the filter if it is damaged or heavily soiled.

What should I do if the brushcutter engine does not start?

If the engine does not start, check the fuel level, ensure the stop switch is in the "on" position, inspect the spark plug for damage or fouling, and ensure the choke is set correctly. If issues persist, consult the user manual or contact a service professional.

How do I replace the cutting line on the Husqvarna RA850 Brushcutter?

To replace the cutting line, turn off the engine and disconnect the spark plug. Remove the trimmer head cover, take out the old line, and insert a new line of the recommended diameter into the spool, winding it evenly in the direction indicated. Reattach the head cover securely.

What maintenance should be performed regularly on the Husqvarna RA850 Brushcutter?

Regular maintenance includes checking and cleaning the air filter, inspecting the spark plug, checking the fuel filter, inspecting the cutting equipment, and ensuring that all nuts and bolts are tight.

How do I store the Husqvarna RA850 Brushcutter during the off-season?

To store the brushcutter, clean it thoroughly, drain the fuel tank, and run the engine until it stops. Remove the spark plug and add a few drops of oil into the cylinder, then slowly pull the starter handle to distribute the oil. Store in a dry, well-ventilated area.

Why does the Husqvarna RA850 Brushcutter vibrate excessively during use?

Excessive vibration can be caused by an unbalanced or damaged cutting attachment. Inspect the blade or trimmer head for damage and ensure it is properly balanced and securely attached. Replace damaged parts as necessary.

What safety precautions should I take when using the Husqvarna RA850 Brushcutter?

Always wear protective gear, including safety glasses, gloves, ear protection, and sturdy footwear. Be aware of your surroundings and avoid using the brushcutter near people or animals. Follow all safety instructions in the user manual.

How can I improve the performance of my Husqvarna RA850 Brushcutter?

Improve performance by using fresh, properly mixed fuel, maintaining sharp cutting blades, regularly cleaning the air filter, and conducting routine maintenance checks. Follow the manufacturer's guidelines for optimal operation.