1 - Inlet filter
2 - Inlet valve (vacuum regulator)
3 - Airend
4 - Cooling oil pump (gear pump)
5 - Gas ballast air filter
6 - Gas ballast silencer
7 - Thermostatic valve with oil filter
8 - Oil cooler
9 - Drive motor
10 - Oil separator tank
11 - Oil separator cartridge
12 - Exhaust air
13 - Fan