Husqvarna 345 FX Parts Manual

Husqvarna 345 FX Brushcutter manual cover

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Year 2021

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Husqvarna 345 FX Brushcutter Specification

The Husqvarna 345 FX Brushcutter is a high-performance, professional-grade tool designed for demanding forestry and landscape maintenance tasks. It features a powerful 45.7 cc X-Torq® engine, delivering optimal power output while ensuring fuel efficiency and reduced exhaust emissions. This brushcutter is engineered for heavy-duty applications, offering robust performance with a power output of 2.8 horsepower. The X-Torq® technology significantly reduces fuel consumption and minimizes emissions, aligning with environmental standards while maintaining operational efficiency.

The Husqvarna 345 FX is equipped with an ergonomic harness and adjustable handlebar system, which provide superior comfort and control, reducing strain during prolonged use. Its vibration-dampening system minimizes operator fatigue, enhancing productivity and user comfort. The machine's design incorporates a high-torque bevel gear, ensuring efficient power transfer and cutting performance in dense vegetation and challenging terrains.

The brushcutter also features a Smart Start® system, designed to facilitate easy and quick starting by reducing the resistance in the starter cord by up to 40%. This feature is complemented by an air purge system that removes air from the carburetor and fuel system for effortless starting. Durability is a key aspect, with the Husqvarna 345 FX incorporating a heavy-duty clutch and a robust trimmer head designed for long-lasting use in tough conditions.

Overall, the Husqvarna 345 FX Brushcutter stands out as a reliable and efficient tool for professional users requiring high power, superior ergonomics, and durable construction. Its combination of advanced technologies and thoughtful design features ensures consistent performance in a variety of forestry and landscape applications.

Husqvarna 345 FX Brushcutter F.A.Q.

How do I start the Husqvarna 345 FX Brushcutter?

To start the Husqvarna 345 FX, ensure that the brushcutter is on a flat surface. Set the choke to the closed position, press the primer bulb several times until fuel is visible, and pull the starter handle until the engine fires. Once it fires, move the choke to the open position and pull the starter handle again to start the engine.

What type of fuel mix should I use for the Husqvarna 345 FX?

Use a 50:1 fuel mix ratio of unleaded gasoline to high-quality two-stroke engine oil. Ensure that the gasoline has an octane rating of at least 89 and that the oil is JASO-FD certified for optimal performance and engine longevity.

Why is my brushcutter vibrating excessively during use?

Excessive vibration may be due to a misaligned or damaged cutting attachment. Check the blade or trimmer head for damage or imbalance, and ensure that it is securely attached. Replace any worn or damaged parts and verify that all components are properly tightened.

How often should I clean the air filter on the Husqvarna 345 FX?

The air filter should be checked and cleaned after every 25 hours of use or more frequently in dusty conditions. Use warm soapy water to clean the filter, rinse thoroughly, and allow it to dry completely before reinstalling.

What maintenance should be performed regularly on this brushcutter?

Regular maintenance includes cleaning the air filter, checking and replacing the spark plug annually, inspecting the fuel filter and fuel lines, tightening all nuts and bolts, and lubricating the gearhead as recommended in the user manual.

How can I troubleshoot a Husqvarna 345 FX that won't start?

If the brushcutter won't start, check the fuel level and quality, inspect the spark plug for fouling or damage, ensure the air filter is clean, and verify that the choke and throttle are set correctly. Additionally, check for any blockages in the exhaust and fuel lines.

How do I replace the trimmer line on the Husqvarna 345 FX?

To replace the trimmer line, remove the trimmer head cover, take out any remaining line, and insert new line into the spool. Wind the line evenly according to the directional arrows and reattach the cover securely.

What safety precautions should I observe when using the Husqvarna 345 FX?

Always wear protective gear including gloves, eye protection, boots, and hearing protection. Be aware of your surroundings, ensure the work area is clear of people and obstacles, and never use the brushcutter near flammable materials.

How do I store the Husqvarna 345 FX for the winter?

To store the brushcutter for the winter, empty the fuel tank and run the engine until it stops. Clean the equipment thoroughly, lubricate metal parts to prevent rust, and store it in a dry, cool place away from direct sunlight.

Why does my Husqvarna 345 FX lose power during operation?

Power loss may be due to a clogged air filter, dirty spark plug, or fuel issues. Clean or replace the air filter, inspect the spark plug for fouling, and ensure that the fuel is fresh and the correct mixture. Check for blockages in the exhaust system as well.