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Slides move too easily

Postby ATX20J » Mon Oct 29, 2018 9:52 am

I've never had this problem, but here I am.

I recently acquired a mid-70's Olds fiberglass sousaphone that had been sitting in someone's attic for multiple years. First thing I did was take it to the shop to have the slides unstuck and get the pads and corks replaced. They did a great job.

However, now my slides, especially the main tuning slide move too easily. The main slide is right under my right arm when I'm playing and if I bump it at all it slides all the way back in. It seems like even from the factory these slides weren't tightly fit.

Suggestions on what I can do about this?
1962 Conn 20J
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Re: Slides move too easily

Postby SousaWarrior9 » Mon Oct 29, 2018 12:12 pm

A really thick slide grease might be a a good temporary solution. I think hetmans has a slide grease specifically for loose slides, as do some other companies as well. Might want to look into that.
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Re: Slides move too easily

Postby ATX20J » Tue Oct 30, 2018 2:08 pm

Indeed they do... from http://www.hetman.com/products.html

9. ULTRA SLIDE GREASE - A unique slide grease of extra-heavy consistency designed primarily for instruments with loose fitting slides. Perfect alternative for vintage instruments with corroded slide tubes
Last edited by ATX20J on Tue Oct 30, 2018 2:39 pm, edited 1 time in total.
1962 Conn 20J
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Minor Mishap Marching Band: Austin, TX
Spirit of Atlanta D&BC: 2003, 2004, 2006
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Re: Slides move too easily

Postby ATX20J » Tue Oct 30, 2018 2:11 pm

However, it doesn't look like I can actually buy it anywhere.

I'll try this UltraPure Heavy slide grease. According to Amazon comments, looks like it's suitable for this purpose.
https://www.amazon.com/UltraPure-UPO-HEAVY-Ultra-Pure-Heavy-Tuning/dp/B005MKPM1A#
1962 Conn 20J
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Spirit of Atlanta D&BC: 2003, 2004, 2006
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Re: Slides move too easily

Postby opus37 » Fri Nov 09, 2018 8:00 am

You can have your tech slightly expand the slide so that it moves normally. This is relatively easy to do and very inexpensive.
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Re: Slides move too easily

Postby bloke » Fri Nov 09, 2018 8:44 am

Automobile owners - often - don't like mechanics' "honest-to-goodness/really-will-fix-the-problem" advice, because those solutions are often costly and involved.
Mostly, automobile owners are hoping for potions (etc.) that can be applied or poured in, or something like a "computer reset".

The same is basically true with instrument owners with problems.
:arrow: Notice how many people on this website put their hopes in this-or-that valve oil as a solution to their valve problems (which are ACTUALLY either lime/dirt problems or valve-wear/valve-damage problems...or - in this case - some sort of "just right" slide grease).
---------------------------------------------------------------
Someone (last week...?? twenty years ago...??) probably buffed the crap out of some of the inside slide tubes, and/or someone expanded the crap out of some outside slide tubes.
The BEST solution (as expanding inside slide tubes for a better fit - as a solution - is always inaccurate and crappy) is to find a junk Olds/Reynolds valveset with good/not-ruined tubes, and swap out tubes (insides only, or pairs - if both are ruined) that are the loose ones.
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