Service, Repair & Adjustment Techniques (Not Timing or Regulation)
Discussing subjects relating to servicing, making adjustments and repairs to watch parts and movements and fitting balance staffs. This section is not for timing or regulation discussion. To discuss Regulation or Timing please go here.
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I used distilled water for mixing Elma and also for the first rinse...so it should not be the water!? -
By RichardHarris123 · Posted
Specific gravity, an old unit of density. The Specific gravity of water is 1 so the benzene is less dense. -
Maybe it’s something in your water supply? Worth trying mixing the Elma 1:9 with deinonised/distilledwater? just a thought Tom -
By Neverenoughwatches · Posted
Anyone know what this benzine grade spec means ? -
If you rub it with peg wood, it is possible to rub it off...but not easily and not completely - so it's definitely some surface reaction/coating. You can easily scratch it with tweezers. Maybe some more information, which could contribute to this situation. I am putting the bigger plates directly into the jar with Elma Red and I have two brass cleaning baskets where I put the smaller parts (screws, wheels, etc) in. Maybe the brass baskets have something to do with it too?! My first cleaning trial was with Fairy instead of Elma Red. There I had a similar problem on a different location. I got a black surface coating on a pinion on the second wheel...and some weird rust-like traces on other wheels (I guess that's purely my fault, due to insufficient drying in between 🫠). So maybe the stuff I created in my first trial...still is in the system and redistribute within the parts?! I will try with another movement - without internal black stuff to check this!?
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