Husqvarna 550XP Mark II TrioBrake Parts Manual

Husqvarna 550XP Mark II TrioBrake Brushcutter manual cover

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Year 2022

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Husqvarna 550XP Mark II TrioBrake Brushcutter Specification

The Husqvarna 550XP Mark II TrioBrake Brushcutter is a high-performance tool engineered for professional forestry and land management tasks. It is powered by a robust X-Torq® engine that reduces fuel consumption and exhaust emission levels, ensuring efficiency and environmental compliance. The brushcutter features a TrioBrake system, offering an additional safety measure by allowing the chain brake to be activated with the right-hand guard, enhancing user protection during operation.

This model is equipped with an AutoTune system, which automatically adjusts engine settings for optimal performance regardless of fuel quality, altitude, or weather conditions. The LowVib® technology significantly minimizes vibration levels, reducing operator fatigue and increasing comfort during extended use. With a durable magnesium crankcase and a forged three-piece crankshaft, the 550XP Mark II TrioBrake is built to withstand demanding conditions and deliver long-lasting performance.

The ergonomic design includes an adjustable, offset handlebar for improved balance and maneuverability, while the angled front handle allows for a more natural working position. The Smart Start® feature ensures quick and easy starting with minimal effort. A large, visible fuel tank facilitates easy monitoring of fuel levels, and the quick-release air filter cover enables effortless maintenance.

Overall, the Husqvarna 550XP Mark II TrioBrake Brushcutter combines advanced technology with user-centric design to offer a reliable, efficient, and safe solution for challenging brush cutting tasks. Its robust construction, innovative features, and emphasis on user safety make it an ideal choice for professionals seeking a high-quality brushcutter.

Husqvarna 550XP Mark II TrioBrake Brushcutter F.A.Q.

How do I start the Husqvarna 550XP Mark II TrioBrake Brushcutter?

To start the Husqvarna 550XP Mark II TrioBrake Brushcutter, set the choke to the correct position, press the primer bulb several times until it is filled with fuel, pull the starter handle until the engine starts, and then gradually return the choke to the open position.

What is the proper way to adjust the carburetor on this brushcutter?

Adjust the carburetor by locating the H and L screws. Use a screwdriver to adjust the screws: the L screw for low-speed adjustment and the H screw for high-speed adjustment. Make sure to consult the manual for specific settings and ensure the engine is warm before making adjustments.

How can I troubleshoot if the brushcutter won't start?

Check the fuel level and quality, inspect the spark plug for wear or damage, ensure the air filter is clean, and verify that the choke is set correctly. If issues persist, consult the user manual for additional troubleshooting steps or contact a professional.

What maintenance is required for the Husqvarna 550XP Mark II TrioBrake Brushcutter?

Regular maintenance includes cleaning or replacing the air filter, checking and replacing the spark plug, sharpening the cutting blades, and verifying all screws and nuts are tightened. Additionally, inspect the fuel system and replace the fuel filter as needed.

How do I change the cutting blade on this brushcutter?

To change the cutting blade, disconnect the spark plug wire, use the appropriate wrench to remove the blade nut, take off the old blade, and replace it with a new one. Ensure the blade is correctly aligned and securely fastened before use.

What safety precautions should I take when using this brushcutter?

Wear protective gear, including goggles, gloves, and hearing protection. Ensure the work area is clear of debris and bystanders. Familiarize yourself with the TrioBrake system to enhance safety. Always follow the manufacturer's safety guidelines provided in the manual.

How do I clean and maintain the air filter?

Remove the air filter cover and take out the filter. Clean it with warm, soapy water, rinse, and let it dry completely. If the filter is damaged or excessively dirty, replace it with a new one. Reinstall the filter and secure the cover before using the brushcutter.

Why is my brushcutter vibrating excessively during operation?

Excessive vibration can be caused by unbalanced or damaged cutting blades, loose parts, or incorrect engine settings. Inspect the blades for damage, ensure all components are securely fastened, and check the engine tuning. If the issue persists, consult a professional technician.

What type of fuel should I use for the Husqvarna 550XP Mark II TrioBrake Brushcutter?

Use a high-quality unleaded gasoline with a minimum octane rating of 89, mixed with a good quality 2-stroke engine oil at a ratio of 50:1. Avoid using fuel that contains more than 10% ethanol to prevent engine damage.

How do I store the brushcutter when not in use for extended periods?

Clean the brushcutter thoroughly, empty the fuel tank, and run the engine until it stops to clear any remaining fuel. Remove the spark plug and apply a few drops of oil into the cylinder, then pull the starter rope slowly to distribute the oil. Store in a dry, cool place away from direct sunlight.