Originally Posted by
James @ M Developments.
Also try plumbing it compressor stright to actuator so you are running only spring pressure with no external control to see what effect you have.
He tried this, as above, and it works!
Therefore I suspect it's something to do with the Amal.
It is supposted to have a constant feed as it's the ground that is switched, I just wondered if it's wiring etc had been messed with etc.
Martin