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How to Repair the Carburetor in an Echo Weed Eater

An Echo weed eater operates with a small, internal carburetor that regulates the fuel cycle. Although the carburetor is designed to withstand substantial years of work, it will eventually break down and need to be repaired. During any carburetor repair, it will need to be completely disassembled and cleaned. A carburetor rebuild kit, with replacement diaphragms and other components, is required for a full repair. When a rebuild kit can’t be purchased, clean the carburetor carefully and reassemble it with the old parts. For some older model weed eaters, a carburetor repair kit may be difficult to find.

Things You'll Need

  • Screwdriver
  • Carburetor cleaner
  • Pan
  • Brush
  • Rag
  • Compressed air
  • Carburetor rebuild kit
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Instructions

    • 1

      Unscrew the Echo’s bottom plate retaining screws then lift the bottom plate off. Pull out the diaphragm and gasket from the carburetor. Slowly separate the diaphragm and gasket if they are stuck together.

    • 2

      Remove the needle valve mechanism underneath the bottom gasket. Hold your thumb over the spring portion of the needle valve to prevent the spring from flying out. Lift out the valve, lever and spring.

    • 3

      Turn the carburetor over and unscrew the top plate or the primer bulb if your Echo trimmer has a bulb attached to the carburetor. Lift off the primer bulb or top plate. Pull off the primer base and reed valve. Separate them carefully if they are stuck together.

    • 4

      Soak all carburetor parts in a bath of carburetor cleaner overnight to loosen up caked-on material. Brush off any tough grease from metal surfaces only. Dry the parts, patting them with a rag. Blow out all holes on the carburetor with compressed air.

    • 5

      Rebuild the carburetor with the new parts from the rebuild carburetor kit or with the existing carburetor parts if a rebuild kit is not available for your Echo weed eater. Set the needle valve onto the lever. Insert the valve’s spring into its hole.

    • 6

      Set the needle valve with the lever onto the carburetor. Tighten down the needle valve’s retaining screw. Refit all of the new or existing gaskets and diaphragms, reassembling all other parts in the reverse order of removal.

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