DescriptionThis video provides step-by-step instructions for replacing the universal trimmer head on Echo string trimmers. The most common reason for replacing the trimmer head is if it won’t spin or the line won’t feed.
All of the information in this trimmer head replacement video is applicable to the following brands: Echo
Tools used: small screwdriver, ratchet and socket
Step-By-Step Instructions1
Before you replace the trimmer head on your string trimmer
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First remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
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Keeping your hands clear of the line cutter, insert a small screwdriver into the hole in the hub to prevent the trimmer head from turning then use a 9/16th inch socket to unthread the nut securing the head.
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Remove the first washer and the old trimmer head.
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Prepare the new trimmer head for installation by first determining the appropriate adapter to use for your model.
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Then insert the adapter into the head.
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Now align the head on the shaft replace the washer and thread the nut on to secure.
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Use the additional hardware as necessary for your model.
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Attach the wire and boot to the spark plug and your string trimmer should be ready for use.