I have a Forst st8, great chipper blah blah.   Anyway I'm very keen on maintenance and try and keep all my machines running as they should.   So I keep an eye on everything and noticed that at least two of the pipes have split at the back of the bank.   I've traced them to the roller bearings which from the outside look like the have grease for the moment, so no panic.   I don't trust 'em! I've checked that the two main bearing supplies are functioning.   I'm an owner operator so kee