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How to Clean an Air Filter in a Generator?

Published in Generator Maintenance 2 mins read

Cleaning your generator's air filter is crucial for maintaining its performance and longevity. Here's how to do it:

  1. Access the Air Filter: Locate the air filter housing on your generator. This is usually a small, rectangular or cylindrical compartment.

  2. Remove the Air Filter: Open the air filter housing and carefully remove the air filter.

  3. Inspect the Air Filter: Check the filter for any tears, damage, or excessive dirt build-up. If the filter is damaged, it needs to be replaced.

  4. Clean the Air Filter (if reusable):

    • If it's a foam filter: Wash it with warm, soapy water. Gently squeeze out the dirt. Rinse thoroughly with clean water. Allow the filter to air dry completely before reinstalling.
    • If it's a paper filter: Gently tap the filter on a hard surface to dislodge loose dirt and debris. You can also use compressed air to blow out the dirt from the inside out. Do not wash a paper filter with water.
  5. Clean the Air Filter Housing: Wipe out any dirt or debris from inside the air filter housing.

  6. Reinstall the Air Filter: Once the filter is dry (if washed) or cleaned, reinstall it into the housing. Make sure it is properly seated.

  7. Close the Air Filter Housing: Securely close the air filter housing.

Important Considerations:

  • Replacement vs. Cleaning: Some air filters are designed to be disposable and should be replaced rather than cleaned. Check your generator's manual for specific recommendations.
  • Drying Time: Ensure the filter is completely dry before reinstalling. A wet filter can restrict airflow and damage the engine.
  • Frequency: Clean or replace your air filter regularly, especially if you operate your generator in dusty or dirty environments. Consult your generator's manual for the recommended maintenance schedule.

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