Husqvarna 545G Mark II Parts Manual V2

Husqvarna 545G Mark II Chainsaw manual cover

Pages 1

Year 2021

Language(s)

of 1

Husqvarna 545G Mark II Chainsaw Specification

The Husqvarna 545G Mark II Chainsaw is a robust and high-performance tool designed for professional forestry and tree care tasks. Engineered with precision, it features a powerful 50.1cc X-Torq® engine, which ensures reduced emissions and improved fuel efficiency without compromising on performance. The chainsaw delivers a power output of 2.7 kW, making it suitable for demanding applications.

Equipped with a 20-inch bar, the 545G Mark II provides excellent cutting capabilities and versatility for various tasks. Its ergonomic design includes a slim body, high center of gravity, and low vibration levels, enhancing user comfort and control. The LowVib® technology minimizes vibrations, reducing fatigue during extended periods of use.

The chainsaw integrates an AutoTune™ system, which automatically adjusts engine settings based on fuel, altitude, humidity, and temperature variations, ensuring optimal performance under different conditions. The centrifugal air cleaning system effectively removes larger debris and dust before reaching the air filter, extending the engine's lifespan and reducing maintenance frequency.

For enhanced safety, the chainsaw includes an inertia-activated chain brake that reduces the risk of injury from kickback. The side-mounted chain tensioner facilitates easy and quick chain adjustments without the need for additional tools. Additionally, the adjustable oil pump allows precise control of oil flow, ensuring consistent lubrication according to the task at hand.

The Husqvarna 545G Mark II is designed for reliability and durability, featuring a magnesium crankcase and forged three-piece crankshaft. These components enhance the chainsaw's strength and longevity. With its combination of advanced features and ergonomic design, the Husqvarna 545G Mark II Chainsaw offers professionals an efficient and reliable tool for challenging forestry tasks.

Husqvarna 545G Mark II Chainsaw F.A.Q.

How do I start the Husqvarna 545G Mark II Chainsaw?

To start the Husqvarna 545G Mark II Chainsaw, ensure the chain brake is engaged. Move the choke control to the full choke position and pull the starter handle until the engine fires. Push the choke control back to the half choke position and pull the starter handle again until the engine starts. Once started, reset the choke to the run position.

What is the recommended maintenance schedule for the Husqvarna 545G Mark II?

Regular maintenance should include checking the chain tension and lubrication before each use, cleaning the air filter every 10 hours of operation, inspecting the spark plug every 25 hours, and replacing it if necessary. The fuel filter should be checked every 50 hours and replaced annually.

How do I troubleshoot a chainsaw that won't start?

If the chainsaw won't start, check the fuel mixture and ensure it's fresh and correctly mixed. Inspect the spark plug for fouling or damage and clean or replace it as needed. Ensure the air filter is clean and unobstructed. Verify the on/off switch is in the 'on' position.

What type of fuel and oil should I use for the Husqvarna 545G Mark II?

Use a high-quality unleaded gasoline with a minimum octane rating of 89, mixed with Husqvarna two-stroke engine oil at a ratio of 50:1. Avoid using ethanol blends higher than E10.

How do I properly sharpen the chainsaw chain?

To sharpen the chainsaw chain, secure the saw and use a round file of the correct diameter. File each cutter at a consistent angle, ensuring equal sharpness and length. Check the depth gauge height and adjust with a flat file if necessary.

What are the safety features of the Husqvarna 545G Mark II?

The Husqvarna 545G Mark II is equipped with a chain brake, throttle lockout, and a front hand guard. It also features LowVib technology to reduce vibration and an inertia-activated chain brake for added safety.

How do I clean and maintain the air filter?

To clean the air filter, remove the cover and take out the filter. Wash it with warm soapy water, rinse thoroughly, and let it dry completely. Reinstall the dry filter and ensure it is seated properly to prevent debris from entering the engine.

What should I do if the chainsaw chain is not cutting properly?

If the chain is not cutting properly, first check that it is sharp and properly tensioned. Inspect the guide bar for wear or damage. Make sure the chain is installed correctly, with the cutting edges facing forward on the top of the bar.

How can I prevent the chainsaw from overheating?

To prevent overheating, ensure the air intake is clear of debris and the cooling fins are clean. Use the correct fuel mixture and keep the chain properly lubricated and tensioned. Avoid running the engine at full throttle for extended periods without cutting.

What is the correct way to store the Husqvarna 545G Mark II chainsaw?

For prolonged storage, clean the chainsaw thoroughly and drain the fuel system. Remove the chain and bar, and apply oil to prevent rust. Store the chainsaw in a dry, cool place, ideally in a protective case, away from direct sunlight and moisture.