Gymrex GR-MG 50 Manual De Instrucciones página 23

STEP II
a) Place the machine guides (5) between the main frame connection plates (1) and
the mounting plates of the machine base (2). Align the axes of the guide holes
and plates. Fasten with M12x40 screws and M12 washers. Slide the washer
onto the fixing screw. Guide it through the axes of the holes, tighten firmly.
b) Fix the training load holder (13) to the feeder (12). Secure on both sides with
M12x60 screws, M12 washers and M12 nuts.