Swivel office chair have several moving parts that need lubrication to work in silence. Although regular maintenance helps eliminate most noise, any chair can develop annoying squeaks from normal use. A swivel chair is more likely to squeak when you carry the weight, so ask a colleague to help locate the source of the sound.
Have someone sit in the swivel office chair while sitting on the floor. Ask the person to turn the chair from side to side. Wait to hear the screech and locate the source. Hold the silicone spray can upright and level with the screeching point, about three inches away. Spray for a second or two. Have the person continue to turn the chair around and around to work the oil on the rotating mechanism. If the chirping is silent, you have reached the point. If not, try again.
Ideas for fix a squeaky swivel office chair. In general, if a moving part of the chair needs lubrication; other moving parts will also do so. Turning the chair back and forth in different directions. Wait to hear the squeaks of the wheels and the wheels above the wheels. Spray a little silicone oil on them if necessary, and roll the wheels to distribute the lubricant. Wipe excess oil from the moving parts with a soft, absorbent cloth to avoid staining clothes and carpets. Store the spray and fabric on your desk for future use.