How to Replace the Gas Cap Gasket on an Echo Trimmer (Model SRM-225)

String trimmer out of whack? It's time to face the fix. Whether you are a legendary landscaper or a weekend weed whacker, eReplacementParts.com provides the parts, procedures and facts you need to fearlessly fix what fails you.

The gas cap gasket forms a seal between the fuel cap and the fuel tank. Because it's made of rubber, the gasket will eventually harden and crack. Fortunately, replacing the gas cap gasket is very easy to do. This article provides step-by-step instructions for removing and installing the fuel tank cap gasket on an Echo trimmer (model SRM-225).

Let's get started.

  REMOVING THE GAS CAP GASKET [top] 1. Remove the fuel cap from the fuel tank.

Unscrew and remove the fuel cap from the fuel tank.

Pull gently on the cap lanyard to remove it from the fuel tank.

  2. Remove the gas cap gasket.

Use a pick to pry the gasket from the inside of the fuel cap.

Remove the gasket from the fuel cap and lanyard.

  INSTALLING THE NEW GAS CAP GASKET [top] 3. Install the gas cap gasket.

Slide the new gasket over the fuel cap lanyard.

Install the new gasket inside the fuel cap.

Press around the edges of the gasket to ensure that it properly seats (above the threads) in the recess at the top of the fuel cap.

  REASSEMBLING THE UNIT [top] 4. Reinstall the fuel tank cap.

Install the cap lanyard into the fuel tank.

Install the fuel cap onto the fuel tank.

You don't have to leverage your savings to level your lawns. As you just learned, repairing your own equipment is easy when you follow our step-by-step guides. Not only did you restore trimmer functionality at a fraction of the cost of replacement; you have taken the edge off of future repairs, wherever you may find them.

Find your next fix here.   [top]