auto drain

Hi everyone, i'm after a bit of advice and hopeful direction please. We have a MAKO Compair 5405 compressor with autodrain that has recently developed a fault. With the autodrain Solenoid plug connected, the compressor will start, run for 3-5 secs then shut down (no fault codes are shown on...

I recently got an old LMF 300 bar 140 l / min compressor. It is from 1980 but has very few running hours. I want to install auto drain on this, but I have a very limited budget and must do this myself. Is there anybody who can advise on how to do this? The maximum pressure in the three...