Mechanism and operation that the second floor lifts

First of all, the generator is started.
Next, the power supply of the air-compressor is turned on, and compress air is collected in the air tank.
When compress air collects in the air tank, the generator is stopped.

The car is stopped in the place where the second floor is raised,
and it is confirmed that there is a space in the upper side.
The lock where the second floor is fixed is removed.
The electromagnetic valve opens when the switch is pushed,
and compress air is sent to the air cylinder in the back and forth.

The air cylinder expands when compress air enters the air cylinder, and the second floor lifts.
The wall is set up from the inside, and the second floor is completed.
If the deck is put out, it is completion!!

It closes.

It moves when the letter is clicked.