Daily care for long-term use
The screws and nuts that connect both legs will get loose over time due to vibrations.
Tighten them periodically with widely available tools to improve safety.
*Please prepare the necessary tools by yourself.
Tightening the armrest screw

Prepare:
Phillips screwdriver
Phillips screwdriver

Loosened screw.

Tighten the loose screws with a screwdriver.

Tightened screw.
Tightening the screw at the intersection of the legs

Prepare:
3 mm hexagonal wrench
10 mm spanner
3 mm hexagonal wrench
10 mm spanner

Hold the nut with a spanner and tighten it with a hexagonal wrench.

Tighten the nut until you can see the tip of the screw.
(Nut specifications can be different depending on the time of production.)
(Nut specifications can be different depending on the time of production.)

Check that the screws and nuts are tight and that the legs open and close smoothly.