Imagine an office without desks and chairs! Now tell me what it looks like?
Yea, I know you can’t imagine. However, none of us can imagine an office expect desks and chairs. Desks and chair are very common and necessary pieces of stuff of an office. They have not less priority than computers or files. But you know what; everything needs care. When you take care of anything, it’ll serve you better and for a longer time. Office kinds of stuff aren’t different too. It’s important to take care of the computers, chairs, and desks of your office because it’s the property of the company and you have the responsibility to save them.
Though office chairs and desks don’t need a lot of care, it’s a common problem that the office desk chair sinks after rough or longer use. But don’t worry; you don’t need to spend many bulks for buying a new one. You can easily fix the sinking office chair with a cheap cost. We received many requests about how to fix a sinking office chair! If you have sinking office chairs or own a personal one, then you should know this. Read out this entire article where we mentioned 2 easy methods step by step to fix a sinking chair easily.
How to Fix A Sinking Office Chair:
Before starting to fix a sinking office chair, you should know how the office chair works how it gets sunk first. The chair contains a pneumatic cylinder that uses pressurized air to control the height of the chair. When the cylinder seal gets a lot of damages to maintain pressure, it becomes sinking in a few years. You can buy a new cylinder and replace but it’s costly.
Method 1: Using a Hose Clamp
When you chair has minimum damage, you can try this DIY method. This is the simplest and low-cost method. For fixing your sinking chair, follow the entire instruction step by step which is mentioned below-
First of all, slide the plastic skirt of the cylinder (most of the office chairs have a plastic tube). The plastic skirt covers the extendable cylinder. Slide the skirt all the way up or down. After then, you’ll find the metal cylinder underneath.
Remember, this is a permanent process so you can’t adjust the chair height further after this process. So set the chair height to the perfect height. Keep the chair seat level to your knees. It’s the perfect level, but you can also change it to your comfort level. You might have to remove the plastic skirt if it covers the cylinder at your position.
Note: To remove the skirt, turn the chair upside down and use a screwdriver to pull off the chair’s wheels by pushing retaining clip. Now, pull off the skirt and attach the wheels again.
Get a 2 cm (¾ inch) hose clamp from a hardware store and wrap it around chair’s cylinder. Now loosen crew of the clamp and pull the belt end out. Warp the underneath metal cylinder with the clamp, but don’t tighten yet.
This is recommended to improve the clamp’s grip. If you find the cylinder dirty, then clean it first and wrap the surface with rubber trip of duct tape (2 layers will be better) to improve the grip.
In order to hold the chair strongly, the clamp needs very tight setting. After wrapping the cylinder, it’s time to tighten the clamp very strongly as much as possible. Now, slide the hose clamp in the top (cylinder’s) and check the seat height again. Finally, pull the clamp and tighten it. Rotate the screw to fasten this.
This is the finishing step. Test the chair. The chair should be stable but the seat height will be the non-adjustable. If you find it’s working properly, then you’re done!
Method 2: Using a PVC Pipe
If the upper method fails or your chair has more damage than the minimum, then you need to apply this method. Follow the method step by step-
As like as the previous method, pull up or pull down the extendable plastic skirt off, uncover the metal cylinder and measure it. You need to measure 2 times. Take the estimated diameter of the cylinder of the chair and take the diameter of the perfect seat height. You may use a ruler horizontally across the cylinder to have the perfect measurement.
Now go to the hardware store and buy a PVC pipe. Remember, the PVC pipe will fit over the cylinder so you need the exact same size length or a little bit longer. But if you get a shorter size than the pneumatic cylinder of the chair, it won’t work. 3.8 cm (1.5 inches) pipe will fit mostly because most office chairs use the same size cylinder. Now, apply the PVC pipe over the cylinder from the wheelbase (you have to put off the wheels first) to the seat of the chair.
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Note: You can use some smaller pieces of the PVC pipe. This is easier. And additionally, you can use plastic shower rings too. They are cheaper but not enough strong to hold your weight. So, it’s better to avoid it.
Use a backsaw or a hacksaw to secure the PVC pipe in the vise. You need to saw lengthwise through the PVC pipe. Cut the pipe from tip to tip. Remember, just cut it on one side. And don’t forget to use a safety mask during cutting.
Now snap that PVC pipe onto the cylinder of the chair. Cover the cylinder with the plastic skirt. Push the PVC pipe’s slit side against the chair’s cylinder in order to snap it around. This will prevent the chair from sliding and holding the position.
Note: If you have trouble snapping the cut the pipe in shorter pieces and try again.
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If you need to raise the seat height of the chair, just add another PVC pipe piece. On the other hand, it’s almost permanent as same as the previous method so you can’t lower the height without removing a snap of the pipe.
This is the finishing step. Test the chair. If you find it’s working properly, then you’ve done the job nicely!