Just wanted to add my experiences here. My Triac was blowing fuses at around 2500rpm. It was flashing over inside the spindle motor and then blowing the 6.3A fuse (top left group). It also took out my house breaker as well. The problem was probably historic as I found a packet of fuses in the cabine...

I have been assisted by a kind gentleman at Denford. This is an easy question to which I think I know the answer. The Triac PC manual gives the coolant capacity as 14.75litres. Well I could see that wasn't much but as I have not removed the panels I assumed a cunning arrangement of channels etc to r...