Chair casters make moving furniture around the house less of a hassle. When one of the casters stops rolling or breaks off inside the chair, you will need to replace the caster. A complete caster set includes the caster wheel and the caster sleeve that the wheel fits into. Most big box hardware stores carry caster kits. Remove your casters and take one with you to the store so that you purchase casters that are the same diameter.
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Things you need
- Adjustable wrench
- Flathead screwdriver
- Caster set
- Drill with various bits
- Wood glue
Turn the chair with the faulty caster on its side. When replacing one caster it is a good practice to replace all four casters. This will ensure that the casters are level and roll evenly.
Pull the caster wheel out of the bottom of the chair. Depending upon the caster, you may be able to pull the wheel straight out or unthread the wheel stem if you have a threaded caster. To remove a threaded caster, use an adjustable wrench to rotate the caster wheel stem counterclockwise.
Inspect the caster sleeve inside the chair for damage. If there is damage to just one of the caster sleeves, replace all four. Insert a flathead screwdriver between the lip of the caster sleeve and the bottom of the chair to pry the sleeve up. Pull the sleeve out of the chair with a pair of pliers.
Examine the hole for debris left by removing the caster sleeve. If the hole is heavily worn or is broken in areas, you will need to fill the hole with a dowel.
Take one of the caster sleeves with you to a hardware store. Purchase a new set of casters, including the sleeves. If you have to repair the holes for the caster sleeves, purchase dowel rods slightly larger in diameter than the caster sleeves.
Drill out the hole that has damage with a drill and a bit the same diameter as the dowel. Cut the dowel the length of the hole depth using a saw. Place a few drops of wood glue into the hole and spread wood glue around the outside diameter of the dowel. Insert the dowel into the hole and tap the dowel down using a mallet. Allow the glue to dry for 24 hours.
Make a new hole for the caster sleeve where you placed the dowel. Use a bit that is the same diameter as the caster sleeve. Tap all four caster sleeves into the holes in the chair using a mallet.
Push the shafts of the new caster wheels into each of the casters. If you are using threaded casters, thread the stems by hand and tighten with an adjustable wrench. Turn your chair back over on the casters.
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