Help with generator!

[Thaliur]

As for the symbols...

Spoiler below!

The roman 2 stands for the secondary... thingy you've got to start first, the horizontal waves are the cooling system, the drop is the greasing system, the vertical waves are the steam vent, and the roman 1 is the primary system. If I recall correctly, this is the order in which you have to operate them, but you should check the manual as I'm not sure about this