Gymrex GR-MG 55 Bedienungsanleitung Seite 20

a) Fix the machine lock (3) to the side of its base (1). The fixing screw with a
washer is attached to the lock pin (3). To install the structure, remove the
fastener. Then, route the lock pin through the hole axis. Attach on the opposite
side with a washer (M8) and screws (M8x20).
STEP III
a) Attach the seat to the seat support - main frame (2). Use M8 washers and
M8x25 bolts. Slide the washer onto the fixing screw. Move the assembly
through the hole axis, from the bottom, and lock securely in place.