
Step 12-2
1. M4 boat-shape nut(2pcs)
2. M4×8hexagon round-head screws(2pcs)
Notice: The boat-shape nut may rotate during installation. Users could
use the screws to fix it on the aluminum profile.
When installation, in order to tighten the pulley and the belt, users could
push the parts slowly in the X direction.
Step 13