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Question:

Can I use sewing machine oil instead of rotor oil on my French Horn Valves?

I want to wash it but don't know what to oil the valves with because I was told not to use mellophone/trumpet valve oil so would the sewing machine oil be okay to use with out damaging me Horn?I not any other safe substitutions?

Answer:

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I want to say no
NOOOOOOOOOO My best friend did that and it made her valves stop working and she had to let the repair men fix it. Just go but some oil
If you have a Walmart nearby you are in good shape. Sewing machine oil is too thick for the valves, it will slow them down....... not damage the horn. Mot on this oil later, A great replacement for rotor oil is lantern oil from Walmart or a hardware store. It is what is burned in old type oil lamps. It comes in quarts and is very cheap. You can also get different aromas in some stores. Sewing machine oil should NOT be used inside the valves....... but it is recommended for the little crack where the moving part of the valve comes out of the bottom of the valve case. It is also what you can use on the top of the valve under the valve cap. So rotor oil INSIDE THE VALVE and Sewing machine oil on the top and bottom bearings.

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