Posted by Jim Tyler on December 30, 2001 at 15:44:15:
In Reply to: Oiling Pistons without removing posted by Ian Easton on December 30, 2001 at 02:29:55:
Some of the young students in my neighborhood have been told to oil the valves on their trumpets from the bottom to keep from cross threading the valve caps when they reassemble them. Judging from the number of damaged threads I have seen, there may be some merit to this. Jim