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A

Anonymous

Feb 13, 2025

Office chair wont stay down?

I recently purchased an office chair, and it's set at the perfect height when fully lowered. However, when I get off the seat, the chair unexpectedly rises back up. When I sit down again, it sinks all the way down. Is there a way to keep the seat locked in the down position so that it doesn’t rise when I'm not sitting on it?

2 Answers

A
Anonymous

Feb 15, 2025

I don't know what make and model your chair is, and thus what features it has, BUT... most of these chairs has a pneumatic cylinder in the support column, and for adjusting seat height, a LEVER beneath the seat, usually near the right front corner as you sit in the chair.

To use this type of adjustment, you press the handle upward against the bottom of the seat, and THEN sit on it, forcing the seat down. When the seat is down, or at the desired elevation, release the handle, and the seat should stay there.

If you want the seat at a higher level, remove ALL load from the seat, press the release handle, and a spring should lift the seat. Then when you have the desired height, release the handle and the seat should stay at that level.

IF the seat is raising all by itself when you're not sitting on it, I suspect that the adjusting VALVE is not seating properly, and allows air back into the cylinder, and the spring raises the seat [sort of like "magic!!!!"].

Turn the chair over and check the valve [if it's not concealed] and look for lint or debris which is keeping the valve from fully seating and sealing the vent hole.

IF the chair is new, I recommend returning it to the place you bought it and REQUEST REPLACEMENT on the basis that the chair is DEFECTIVE. If it's not new, then it's a matter of either cleaning the valve, or if it's not blocked, then repairing it so it can seat [and seal] properly.

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