Putting the pin in the coupling to make coupling and
pin hole can fit together.
Take 4 hexagon socket screws.
Assembling on coupling.
※
Don’t tighten hexagon head screws, just slightly
locking.
Using a flat-blade screwdriver to push the coupling
to the highest point
Using a flat-blade screwdriver to push the coupling to
the lowest point
Take the middle of the highest and lowest points
8
7
10
9
12
11
lowest
point
highest
point
middle