Thread: VALVES!!!
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Old 07-24-2005, 03:12 PM   #4 (permalink)
alanbach
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Join Date: Dec 2003
Location: South Wales U.K.
Posts: 159
alanbach is an unknown quantity at this point
Sounds to me as if the horn needs a thorough washing right through including the valves .......then oil the valves sparingly. The black substance could be a mixture of dirt and oil (GRUNGE)
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Alan
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