Gas Cylinder Removal Tool - Lift Off Tool (Gas cylinders)

The cylinder was absolutely not budging with any other option I tried, and was about to give up on the entire chair. This worked and the cylinder popped out in about 20 seconds. Easily worth the cost considering I was about to trash a $600 chair.

Removing gas cylinders from your chair is incredibly difficult. You really have to hit the cylinders with a hammer with all of your might several times. I had a situation where I still wanted to keep the original cylinder because I wanted to only substitute the cylinder for a longer one to convert to a stool.This tool allows me to take off the cylinder without having to damage the bottom. There is not a better tool than this. The seller is top notch and their customer service as great.

Trying to removing a gas cylinder from a very old Aeron chair caused me to tweak my back. I was using tons of wd-40 and the pipe wrench method.After recovering and some research. I found an old official Herman Miller disassembly manual that tells you to open the the tilt cover, remove the gears to get access to the shaft where the cylinder connects into. From there you use a tool and hammer it out from the top. Some people have used 11/16" hex bit as a replacement for the tool to successfully hammer out the cylinder.Newer official disassembly guides from both Steelcase Leap and Herman Miller Aeron uses a tool that looks just like this product (I'm not sure if this is an official product). With this lift off tool, it took me around 5 minutes of hammering to get the cylinder out. I used up to about an hour total with a wrench and I never felt any give.Hammering the gas cylinder itself can also help loosen the gas cylinder. The success from using the wrench method will depend on your strength/weight and how old your chair is. My gas cylinder was so old it actually had deep indentations on it. I think that contributed to how hard it was to get it out.The only reason I didn't give it 5 stars is that I didn't like that black paint chips off the tool from the hammering. It should have been coated/covered with something like rubber. I had to tape mine up with electrical tape to prevent further chipping.

The rubber band would not wrap around the cylinder. It's just a little too short. Snapped when I forced it. So, I attempted to carefully hold the lift off tool in place while smacking the side with a hammer. I was careful! It didn't work though, I didn't feel comfortable exerting more force with a hammer while my hand was so close to the striking point.So, I did what I should have done in the first place, and got my pair of vise grips around the bottom side of the lift off tool. This held it securely in place. Even after oiling with WD40, I still had quite a difficult time removing the cylinder from the base of the chair. I did get it removed, you just really have to beat the crap out of it. It's going to take some elbow grease. I guess this depends on the weight of the person using the chair.Possibly even more difficult was the removal of the cylinder from the base of the chair. Once the seat is removed, you should next remove the cylinder from the cylinder housing. You do this by removing the little retention clip on the bottom of the cylinder (right above the floor when sitting upright). I forced it off with a claw hammer, because at this point, I'd had enough of this chair's crap. Once the cylinder is gone and in the trash, squirt the cylinder base with WD40 and let it sit for a few minutes.Commence to beating the cylinder base with a hammer. Not a rubber mallet, you need a hammer. This took a lot of effort, more than the seat side. The base of the cylinder will deform from the hammer strikes. Just try to deform it all fairly evenly, give it 360 degrees of love.

Works great to get the old gas cylinders off old chairs. I'm not sure how I would've changed it out without this took. Also use wd40 and let it soak in before using this tool to make it even easier.

Complete garbage. Purchased twice, wasted $100. The rubber band always breaks. And the tool always ends up bending and becoming useless.

This tool did what the Oasis product and my sheer will could not, it removed the old cylinder from my Aeron chair without much effort or frustration. Took four hammer blows. i want to mention that wrapping the band around the device takes some effort but its very strong material and wont snap.

The idea was good, but the product broke. Didnt stay in place.