• Follow up to say that on closer inspection, as I start to extend the lower element down on its bearing races, the shaft and the damper also disappear down the carbon tube. This appears to take the top of the damper with the castle notches, out of the reach of the tool as the lock ring travel limits how far the can insert the tool.

    Any thoughts keeping the damper in reach of the tool, or suggest where I might be going wrong.

    Thanks all
    Si

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