What is an air filter?
An air filter helps keep solid particles, dust, dirt and other things in the air out of your power equipment’s carburetor to ensure it remains working properly. Some air filters come in one single piece, others in multiple pieces that need to be assembled. Others will need to be coated in oil before putting in to place.
Materials:
- Pleated Paper - Thin enough to allow air to pass through, but particles and debris are caught within the pleats
- Foam - Often coated in oil to help catch small particles and debris
- Pre-Filter - A thin foam filter typically placed over a pleated paper air filter
Location:
- Close to engine, either above, below or next to it
How it works:
- The engine draws air through the air filter to mix with gas in the carburetor.
- Dirt and debris particles are captured by the air filter's material in order to prevent them from passing into the carburetor.
Maintenance Tips:
- Check your air filter regularly for any tears that dirt could pass through
- Replace the air filter if it is worn out or excessively dirty to prevent damage to the engine
- Some air filters (foam) may be cleaned and reused
- See How to Change the Air Filter on Your Lawn Mower
- See How to Change the Air Filter on Generator
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