Thanks Andy B for your insight. I think it will require a full strip down as access is restricted. All pipes are clear and I replaced them all apart from the drainage pipe. The storage tank had a half inch of solid gunged in the bottom now cleared and the accessible part of the pump was solid with g...

Hello all could you advise please. I am a DT Technician in a school and have just started at a new school. I was delighted to discover they had a Viceroy Sharpedge as I have a lot of chisels and plane blades to sharpen and keep sharpe. The machine I have switches on and wheel spins okay. However hon...