How to adjust the general pressure?
The default air pressure value is 0.4 Mpa;
You can adjust the pressure value according to your needs.
1.
Increasing the air pressure
Pull the black knob, which will cause a slight unlocking sound. Then
rotate the knob clockwise, and you'll start to set an increase of the air
pressure gauge. After adjusting, push the black knob down to lock it,
which will in turn cause a slight locking sound.
2.
Reduce the air pressure
Pull the black knob, which will cause a slight unlocking
sound. Then rotate the knob anti-clockwise, and you'll start
to set an increase of the air pressure gauge. After adjusting,
push the black knob down to lock it, which will in turn cause
a slight locking sound.