Manual for 875.618281

Assembly Instructions: 1. Unpack and check all parts against the parts list. Contact 1-800-290-9054 if any parts are missing. 2. Attach backrest support bars to the backrest, ensuring spring locks engage at the same height. 3. Loosen lock knobs under the seat and insert the lower end of support bars into the seat bracket (at least 4 inches). Tighten knobs. 4. Attach legs to the leg connector using socket head cap screws and lock nuts. Finger-tighten first, then securely tighten. 5. Place the square base around the legs and attach using leg screws and lock nuts. Tighten securely. 6. Stand the leg assembly upright and insert the air cylinder into the leg connector. 7. Place the seat on the air cylinder and apply weight to lock it. Ensure it's securely locked before sitting. 8. Use the adjustment lever under the seat to raise or lower it. Lower the lever to lock the height. 9. Adjust leg feet if necessary to ensure the stool sits flat on the floor. Do not unscrew too far.