User Manual
Remember to check and set the rotation limit on
the new rotation unit before installing the chair top.
REMOVING THE COLUMN
NORSAP 1800
Start the process with adjusting the chair to the
lowest position, and pulling the chair top and
inner prole up. Secure the chair top and inner
prole by tighten the 2 x M8 set screws.
In some situations, the chair will have preinstalled
components and bigger armrests.
In these cases the 2 x M8 set screws will not
be able to hold the weight alone,
and the chair needs aditional support beams.
Use planks or other suitable objects from the
oor and up under the rotation unit, before
removing the 8 x M8x30 Buon head socket cap
screw.
Li the chair top with the gas spring up and away
from the column.
Move the support beams from the old column
to the new column, and position the beams from
the oor and up under the rotation unit.
Position the chair top onto the new column and
secure the chair top to the rotation unit, with the
8 x M8x30 Buon head socket cap screw.
Seperating the column from the rotation unit
Remove the 8 x M6x30 and mount it back on
the new column.
The rotation unit is standard on all standard
chairs with hydraulic adjustments, and can be
replaced with a suitable adapter plate.
Chairs without rotation may have dierent x-
ture for the gas spring located in the column.