hi i have just brought sealey 180/1, the main casing that holds the feed wheels and the hose, it is cracked, an i need the main casing and the case that holds the hose in place casing to replace them. where can i get these from? i cant find the parts online and cant find no diagrams on line for the welder to find out the parts numbers or name of parts, can anyone help me please. thanks ian