I have a Chemtex Black Stallion that will not allow me to set the pressure above the minimum. The problem is that the unit vibrates so much that the pressure on the solution hose drops to about 200 psi. I used to come out to the van and have to look for the knob for the pressure adjustment as it would vibrate completely off the unit. I put a stop nut on it and now, at least, I don't have to keep looking for the adjuster knob. However, I sometimes want to jack the pressure to around 600 psi. I...
Chemtex
Chemtex