Tools & Materials
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.
Maintaining your trimmer's fuel filter is an important part of its overall performance. The fuel filter prevents tiny particles from entering (and clogging) the carburetor. Replacing the fuel filter is very easy to do.
This article provides step-by-step instructions for removing and installing the fuel filter on an Echo trimmer. The model shown in this article is the Echo SRM-225.
Let's get started.
REMOVING THE FUEL FILTER [top] 1. Remove the air cleaner assembly.
Loosen the thumb screw.
Remove the air cleaner lid.
Remove the air filter.
2. Drain the fuel.
Drain any excess fuel from the tank before servicing the unit.
3. Remove the fuel cap.
Unscrew and remove the fuel cap from the fuel tank.
4. Remove the fuel filter from the fuel line.
To make your own fuel line retriever; curve the end of a sturdy length of wire into the shape of a hook.
Insert the wire hook into the fuel tank and retrieve the line containing the fuel filter.
Remove the fuel filter from the fuel line with a twisting and pulling motion.
Remove the fuel line clip.
INSTALLING THE NEW FUEL FILTER [top]
5. Install the fuel filter.
Slide the fuel line clip over the fuel tube and hold the clip approximately 1/4 of an inch from the end of the tube.
Install the new fuel filter onto the end of the fuel tube. The clip should expand slightly to accommodate the flared connection, and then tighten around the narrower portion of the fitting. Perform this step in one continuous motion. If the clip slides backwards (further onto the onto the fuel line), reposition the clip and start again.
REASSEMBLING THE UNIT [top] 6. Reinstall the fuel filter into the fuel tank.
Insert the fuel filter (and fuel line) into the fuel tank.
7. Reinstall the fuel cap.
Reinstall the fuel cap onto the fuel tank.
8. Reinstall the air filter.
Install the air filter into the air cleaner lid.
9. Reinstall the air filter lid.
Install the air filter lid onto the air cleaner case.
Secure the air filter lid with the thumbscrew.
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.