Einleitung

This guide shows how to remove and replace the chain tensioner module in a Makita chainsaw.

Optional Tools:

  • Chainsaw scrench
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    • Use a 13 mm socket to remove the two nuts securing the sprocket guard plate.

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    • Remove the sprocket guard plate.

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    • If the chainsaw has a chain and guide bar installed, follow the manufacturer's instructions and remove them before proceeding.

    • During reassembly, if you are reinstalling the chain and guide bar, follow the manufacturers instructions on proper chain tensioning techniques.

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    • Remove the four 12 mm long T27 screws securing the chain brake cover.

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    • Remove the chain brake cover.

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    • Twist the tension screw clockwise until the slide bar stops at the right end.

    • Remove the single 15.7 mm long T27 screw holding the chain tensioner assembly in place.

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    • Use your fingers to pull the assembly out of its recess and remove it.

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    • If the packing ring did not come out with the assembly, remove it from the recess.

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  9. bgEYWQDSGMd2AdCN
    • The next three steps show how to prepare the new tensioning assembly for replacement.

    • Lightly lubricate the packing ring and press it into the back of the adjustment screw.

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    • Slide the adjustment screw into the tensioning assembly such that the gears mesh together.

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    • Slide the shaped plastic bearing onto the end of the assembly.

    • Lightly lubricate all moving surfaces.

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    • Line up the tensioning assembly with its recess in the chainsaw and push it into the recess.

    • Make sure that the black plastic bearing slides in rounded-edge first.

Abschluss

To reassemble your device, follow these instructions in reverse order.

Arthur Shi

Mitglied seit: 03/01/18

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