Most standard office chairs are controlled by a hydraulic or pneumatic lift mechanism that allows the users to move the seat up and down to suit their body shape and desk setup.
Hydraulic bar stool won t stay down.
The height of the chair is normally controlled using a lever below the chair.
To do this turn the chair upside down push the retaining clip at the base with a screwdriver and pull off the wheels then the skirt.
When the lever is pulled to one position the lift mechanism of the chair propels the chair to its top height.
Gas lift removal instructions to replace the gas lift on your bar stool or kitchen stool please follow these instructions.
Slide the wheels back on.
If the chair won t stay up even when no one is on it lay it on its side.
The valve will then stay closed keeping the stool in place until the mechanism is worked again and weight is put onto the.
If the plastic skirt covers the cylinder at this height you will need to remove the skirt first.
One of the most popular gas lift options for bar stools works using a piston.
So the least you can do is to buy quality replacement parts.
However the ideal thing would be to shop for higher quality.