Petrol-powered Hedge Trimmer support

A dirty air filter restricts airflow and can cause:

• Loss of engine power

• Problems starting up

• Overheating

• Increased fuel consumption

Cleaning the air filter regularly keeps your Husqvarna hedge trimmer running efficiently.

Quick answer

To clean your air filter:

1. Remove the air filter cover

2. Take out the filter

3. Clean or replace it

4. Reinstall and test

Follow the steps below for the correct method.

Safety first

Before starting:

• Wear protective gloves

• Disconnect power (battery or spark plug)

• Allow the machine to cool

What you need

• Soft brush or cloth

• Warm soapy water (for foam filters)

• Air filter oil (if required)

Using proper cleaning methods helps maintain airflow and performance.

Step-by-step: clean the air filter

Learn how to clean the air filter

Remove the air filter cover

• Locate the air filter housing

• Release the cover (clip and screw)

This gives access to the filter

Take out the air filter

• Carefully remove the filter

• Check for dirt, dust or damage

Clean the filter

For foam filters:

• Wash in warm soapy water

• Rinse thoroughly

• Let it dry completely

For paper filters:

• Tap gently to remove dirt

• Replace if heavily clogged

A clean filter ensures proper airflow to the engine.

Apply air filter oil (if required)

• Apply a small amount of oil

• Distribute evenly

This improves filtration and protects the engine.

Reinstall the filter

• Place the filter back

• Secure the cover properly

Test the hedge trimmer

• Start the machine

• Check for improved performance

Signs your air filter needs cleaning

• Engine loses power

• Hard to start

• Excessive fuel use

• Rough running

These are common signs of restricted flow.

Common mistakes to avoid

• Installing a wet filter

• Using the wrong oil

• Ignoring heavily damaged filters

• Skipping regular cleaning

How often should you clean it?

• Every 25 hours of use

• More often in dusty conditions

Regular cleaning prevents performance issues and engine wear.

Related guides

Why does my hedge trimmer start and then die?

Clean and lubricate hedge trimmer blades

Hedge trimmer maintenance guide

Still having issues?

If performance does not improve:

• Check fuel system, spark plug or cooling system

• Contact your local authorised Husqvarna service dealer