Husqvarna 445e Operator's Manual
![Husqvarna 445e Chainsaw manual cover](/images/VgfKBbEpAOXXMsGrHHyMRyHt/thumbs/thumb175x175.webp)
To start the Husqvarna 445e, activate the chain brake, switch the ignition to "on," pull the choke out, press the decompression valve, and pull the starter handle until the engine fires. Push the choke in, and pull again until the engine starts. Let it idle before use.
Use a 50:1 fuel-to-oil ratio. Mix 2.6 ounces of high-quality two-stroke engine oil with 1 gallon of unleaded gasoline. Always use fresh, unleaded gasoline with a minimum octane rating of 89.
Check the fuel level and quality, ensure the spark plug is clean and properly gapped, inspect the air filter for blockages, and verify that the choke is used correctly. Also, ensure the decompression valve is functional.
To adjust the chain tension, loosen the bar nuts slightly, turn the tensioning screw clockwise to tighten the chain, then retighten the bar nuts. The chain should be snug but still able to be pulled slightly away from the bar.
Use high-quality bar and chain oil to ensure proper lubrication. Husqvarna recommends using their own brand, but any premium bar and chain oil will suffice, especially those designed for high-performance chainsaws.
To clean the air filter, remove the cover, take out the filter, and gently clean it with warm, soapy water. Rinse thoroughly and let it dry completely before reinstalling. Replace if damaged or excessively dirty.
Ensure you are using the correct sharpening angles and technique. Regularly inspect the chain for damage, maintain proper lubrication, and avoid cutting dirty or abrasive materials. Consider replacing the chain if it continues to dull rapidly.
Conduct regular maintenance after every 5-10 hours of use. This includes cleaning the air filter, inspecting the spark plug, checking the chain tension, and ensuring proper lubrication. A comprehensive check-up is recommended annually or after heavy usage.
Signs include difficulty starting, rough idling, reduced power, and increased fuel consumption. Inspect the spark plug for carbon buildup or wear and replace if the electrode is worn or the insulator is cracked.
Ensure the air intake and cooling fins are clean and unobstructed. Use the correct fuel mixture, maintain sharp chains, avoid overloading the engine, and allow the saw to cool down during extended use periods.