Chongwen Office Chair Repair

Chongwen office chair repair requires targeted measures based on the specific damage. Here are the repair methods for common issues:

1. Backrest cannot stand upright or adjust
If caused by a hydraulic system failure, the hydraulic rod needs to be replaced. The hydraulic rod is a one-time sealed component and cannot be repaired. Replacement steps:

• Remove the old rod: Use a large pipe wrench to grip the metal collar connecting the hydraulic rod to the five-star base, and rotate it counterclockwise to unscrew it from the five-star base. Observe the connection method between the chair base and the top of the hydraulic rod (for snap-ring types, use a screwdriver to pry open the metal snap-ring; for screw-fixed types, unscrew the central screw on the base), and separate the chair seat.
• Purchase a new rod: Measure the total length, pipe diameter (grade), stroke, and other dimensions of the old rod. Bring the old rod or a photo of its dimensions to purchase a new hydraulic rod of the same specifications with safety certification (such as SGS/BIFMA) (price range: approximately 30-100 yuan).
• Install the new rod: Clean the interface, screw the new rod clockwise into the five-star base, install the chair seat, and test whether the adjustment is smooth and the locking is firm. Wear safety goggles and gloves throughout the operation.

2. Tilted to one side
First, check if the wheels are uneven or damaged. Repair steps:

• Check the wheel feet: Place the chair upright and confirm that each wheel foot is in contact with the ground. Invert the chair to check if the wheel feet are bent or deformed. If damaged wheels are found, replace the entire set of matching wheels (contact the manufacturer for the model number or remove the old wheels to match the shape and size of the wheel axle).
• Replace the wheels: Pull out the old wheels by hand. If stuck, insert a flat-head screwdriver into the small gap between the wheel foot and the chair as a lever (for a very small number of screw-fixed types, use a screwdriver to loosen the screw and remove it). Apply a small amount of spray lubricant (such as WD-40) to the socket on the chair base, and tap the new wheels into the socket with a rubber mallet. Invert the chair to test if it is still tilted. If the problem is not resolved, further inspect the seat plate.

3. Damaged wheels
Invert the chair, use a wrench to remove the damaged wheels, ensure that the model of the new wheels is the same as the old ones, and manually rotate the wheels after installation to confirm there is no jamming.

4. Loose backrest
Use a wrench to remove the loose backrest, apply an appropriate amount of wood glue to the end of the backrest, reinstall it and press it firmly, and wait for the glue to dry (about 24 hours) before use.

5. Broken armrests
Remove the broken armrests, glue the broken parts with strong adhesive, apply pressure with clamps and let it dry for at least 24 hours, and then reinstall them on the chair.

6. Damaged seat cushion
Trim the damaged fabric with scissors, retain the bottom sponge or filling, select similar fabric for patching or repair with a sewing machine, and reinstall the repaired seat cushion on the chair.