Ask Dave: How Frequently Should I Lubricate My Slides and Valves?

Ed asks: The Hetman site is far from clear in the use/frequency of its oil range. Could you give us some indication of how often you should apply oil into the valve slides please ? Personally, I only ever do it when they feel really gummed up. I oil the bearings and mechanical linkages on [...] Related articles: What to do about Loose Slides Today we are introducing a new contributing author to Horn Matters, Dave Weiner. Dave is a repair...

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