The procedure is a bit like bleeding a radiator to let excess air out of your central heating system. The bleed valve is commonly a large allen screw located on the top of the group, but it can sometimes beelectronically controlled. Turn on the machine and let it come up to temperature,...
The procedure is a bit like bleeding a radiator to let excess air out of your central heating system. The bleed valve is commonly a large allen screw located on the top of the group, but it can sometimes beelectronically controlled. Turn on the machine and let it come up to temperature,...