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Ultrasonic cleaning of main-plate + balance. Balance jewels in or out ?

mikepilk
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mikepilk Distinguished Member

mikepilk

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Posted

When ultrasonic cleaning the mainplate with balance attached, I take out the balance jewels, so that the pivots get a good cleaning.

I notice that some, including Mark, leave the jewels in, and clean them later. Do the pivots get sufficient cleaning if the jewels are left in ?

 

clockboy Distinguished Member

clockboy

Posted
Posted

In my opinion yes. If I am dealing with a real dirty movement I soak in a degreaser first. I now clean with a dedicated watch cleaning machine (L&R) but used to clean with a ultrasonic. Some remove the cap jewels and clean but personally I don,t like the idea of the balance moving/rattling around without full support. After the clean I remove the cap jewels clean again in a de-greaser such as one-dip and lube as per Marks vids. This method works for me anyway.

Marc Distinguished Member

Marc

Posted
Posted

I do the same as you, balance jewels out for cleaning. Although I use an Elma cleaner rather than an ultrasonic.

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