Sorry, asked this before..Both can't locate it now and remember not understanding something...So, again, HO, Bachmann, 2-6-0 and 4-6-0...Exactly which screws and how to pull on it without snapping something. Need to lube em' already. ...Related: I did recently break off dynamo exhaust pipe on mogul..If its a matter of sending for a replacement dynamo how does present one come out ? Is it popped in place or glued ? Thanks, Mark