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Unscrew and remove the centre end plug (24.1) from the base of the telescopic column.
Withdraw the gas strut (24.2) from the column.
Fit the new gas strut, cylinder end first, carefully guiding it up through the column until it is
fully engaged. The strut is correctly fitted when the thread on the end plug (24.1) can be
started in the column without compressing the strut.
Tighten the end plug (24.1).
Carefully stand the pedestal upright.
Elimination of radial and side play on the top stage.
If excessive radial or side play is apparent in the moving column, refer to the appropriate section
in the Maintenance Manual. This adjustment should be carried out by a competent person.