Office Chair Wheel Repair

Repairing the wheels of an office chair can be done following these steps:

Step 1: Check the wheels and floor condition
Place the chair upright and ensure that each wheel foot is in contact with the ground. If the wheels do not fully touch the ground when the chair is unoccupied, it may be due to an uneven floor, causing the chair to tilt to the lower side when sat on. Then, invert the chair and inspect each wheel foot for signs of bending, breakage, or other damage.

Step 2: Purchase matching wheels
If any wheels are found to be damaged, purchasing a complete set of new wheels is recommended, as buying individual replacement wheel feet can be difficult. You can contact the chair manufacturer for the model number to order, or take one of the old wheels to an office supply store to match a replacement set. It is crucial to ensure that the shape and size of the wheel axle match those of the original wheels to avoid incompatibility after installation.

Step 3: Remove the old wheels

• Direct pull-out type: Hold the wheel with one hand and the bottom of the chair with the other, then pull out forcefully; if it cannot be pulled out, insert the blade of a flat-head screwdriver into the small gap between the wheel foot and the chair's contact point, using it as a lever to operate slowly, pulling out about 1 centimeter before pulling the wheel foot again.
• Screw-fixed type: If the casters are fixed with screws, use a screwdriver to loosen the screws and remove the wheels.
• Snap-ring type: Use a screwdriver to gently pry off the old wheels.
• Threaded type: Use a wrench to unscrew the old wheels.
  Be careful during operation to avoid damaging other parts of the chair. If unsure, refer to video tutorials or seek assistance.

Step 4: Treat the chair base sockets
Apply a small amount of spray lubricant (such as WD-40) to each chair base socket. Insert the straw into the spray nozzle and insert it into each socket for a quick half-second spray; if no lubricant spray is available, apply a pea-sized amount of Vaseline to each wheel axle to reduce installation resistance.

Step 5: Install the new wheels

• Universal type: Use a rubber mallet to tap the casters into the sockets. First, push gently by hand; if not seated properly, gently tap the caster with a rubber mallet until the rod is fully inserted into the base; if the caster design allows, tap near the base of the stem to reduce the risk of deformation or breakage.
• Snap-ring type: Forcefully insert the new wheels back in.
• Threaded type: Use a wrench to screw the new wheels back in.

Step 6: Test the new wheels
Invert the chair and sit on it to test if the rolling is smooth and even. If it no longer tilts to one side, the repair is complete; if it still tilts, continue to inspect the seat plate for damage.