3.4 the way to adjust the up / down screw
Adjust the up/down screw
3.5 The way to change the wear and tear parts
Due to long transportation and long
When the rubber tongue is worn out,
use, the screw will be loose. When the
please flip it and use the other side.
counting is not accurate, it is necessary
to turn the up/down screw clockwise to
increase the friction.