hi my name is Simon I wish to rewire a hoover junior 375 as the cable is dry it is pre 2nd world war two any hints . It is for my autistic son he collects vacuum cleaners he has many vintage hoovers ie Juniors, Constellations ,Dysons I found a parts blow up diagram of a Hoover 370/375 can some tell me where it is on the web as I have lost it or diagram .simon