COZONY Magnetic Rowing Machine, Self-Powered 16-Level Resistance Rower with 350LB Capacity for Home Use

A: (For 370-lb Home Model) 1. Press Fully In Push the knob all the way in until you hear/feel it click past the internal locking pin. 2. Turn & Hold While keeping the knob pressed, rotate it ¼ turn (usually clockwise/counterclockwise—check your manual). Then slide the seat along the rail to your desired position. 3. Release to Lock Once aligned with a notch on the rail, release the knob. The spring should push it back out, locking the seat in place. If the knob still won’t stay engaged: Check for dirt or lint around the knob shaft and hole; clean with a dry cloth. Apply a small amount of silicone lubricant to the locking pin (avoid oil). If the knob feels loose or doesn’t spring back, the internal spring may be worn. Contact manufacturer support for a replacement.