flying haggis
Established Member
my old bosch corded drill gave up on me yesterday.I have only had it for 41 years!!!. took it apart today and it appears that one of the brushes got stuck in the guide and caused arcing and the commutator rings were black, quick rub with wet and dry and cleaned the brush guides. good as new(almost) I have ordered a new set of brushes for £4 as the stuck one was half the length of the other one. so total maintenance over the years has cost 10p/year