Jump to content

Removing Balance


Recommended Posts

N00b question but I've seen two recommended methods to remove the balance assembly from the movement, and now I'm confused which is the best / more correct ?

1. is to lift the balance cock and very gently remove it by just holding the cock and making sure as to not snag the balance wheel. so that the wheel hangs on the hair spring, as per Mark's videos. Also when using this method how does one go about flipping it over to lay it in the parts tray, other than very carefully ..

2. is to pick it up by holding the balance cock and wheel together in your tweezers, as per the picture attached (sorry for the blurry mobile phone pic).

So which is the most correct way and more importantly why? Which way should a n00b like myself be using. 

IMG_20170422_213003.jpg

Link to comment
Share on other sites

I use the second method. As i am elderly i tend to shake a little making the first method difficult.  But that can be risky and i think u can bend the pivot if you hold to tight? On balances that has a jewel that you can remove . I do that and put it back after i have put the balance back on the movement? 

  • Like 1
Link to comment
Share on other sites

I use both methods. I've once tangled a hairspring using method one (balance suddenly sprung upwards due to sticky lower jewel). I've once bent a lower balance pivot using method 2 since the lower pivot was stuck again, and the balance always lifts at an angle when you use this method.

 

I usually go for method 1, and use method 2 if the balance is sticky. If it is too sticky, then I pick up an oiler in my other hand and use it to persuade the balance wheel to lift.

Link to comment
Share on other sites

2 minutes ago, madchops67 said:

I use the first method to avoid damage to the hairspring, just in case it's gets nicked by being compressed against the balance wheel and balance cock.

That can't happen, because the shape of the upper pivot into the balance cock hole the makes so that there is always a certain space between the wheel and balance body.

On the other hand, when you keep the wheel dangling by the hairspring, the latter can get distorted by catching int something, or by the wheel weight itself.

Link to comment
Share on other sites

That can't happen, because the shape of the upper pivot into the balance cock hole the makes so that there is always a certain space between the wheel and balance body.
On the other hand, when you keep the wheel dangling by the hairspring, the latter can get distorted by catching int something, or by the wheel weight itself.

It happened to me once before, maybe because I gripped to hard with the tweezers and the outer part of the spring end up distorted. It may have been pinched or rubbed against the balance cock. That is jus my experience, so that's why I use the first method.


Sent from my iPhone using Tapatalk
Link to comment
Share on other sites

I prefer option 1 but use option 2 if the whim takes me.
I like to lift the cocktail and rotate so it sits on the movement leaving the upper staff pivot loose. Then lift the lower pivot out its jewel. Then lift the assembly. That way you'll not end up with a jumbled mess if sticking pivots in the jewel hole.
On old pocket watches there is a third option.
3. Loosen the stud retaining screw. Push the stud down away from the balance cock. Remove the balance cock. Then remove balance wheel and staff. It can then be reassembled on the worktop.

Sent from my SM-G920F using Tapatalk

Link to comment
Share on other sites

I'd have to say it depends a bit on the movement.  In some movements the center wheel is very large and will cover a good portion of the balance making option 2 difficult.  Other times, if the movement hasn't been serviced in quite a while or you know the balance pivots may stick, option 1 goes out the door. 

I generally use the first option but with a caveat; Once the balance cock is loosed I'll lift it and shift it slightly to release the top pivot from the jewel, then lift the balance wheel up out of the bottom pivot before removing the entire assembly.

Link to comment
Share on other sites

That can't happen, because the shape of the upper pivot into the balance cock hole the makes so that there is always a certain space between the wheel and balance body.
On the other hand, when you keep the wheel dangling by the hairspring, the latter can get distorted by catching int something, or by the wheel weight itself.

If you use method one you don't need to leave the hairspring dangling. I use a balance stand and a bit of rodico and it could sit on its standard for years if necessary. Have attached some pictures for demo. Just remember when taking the balance assembly of the stand to hold the wheel gently incase lower pivot sticks in the rodico. Then release from the rodico.
I think people prefer method 2 to avoid having to flip the wheel over when working on the balance.e1e993a4a39694fe7cc590f463b3bcd3.jpg3082f14a7ea479edbf4eec8d2c605dac.jpgc13f1cabc442e023536908a694af60d7.jpg

Sent from my SM-G920F using Tapatalk

  • Like 4
Link to comment
Share on other sites

Great question ... and answers!

I've always gone for option 2 as it has served me well but I might start using option 1 for some of the reasons given.

And digginstony I am so getting (or making) myself a balance stand! :)

Edited by WatchMaker
Link to comment
Share on other sites

On 4/24/2017 at 5:31 PM, digginstony said:

I prefer option 1 but use option 2 if the whim takes me.
I like to lift the cocktail and rotate so it sits on the movement leaving the upper staff pivot loose. Then lift the lower pivot out its jewel. Then lift the assembly. That way you'll not end up with a jumbled mess if sticking pivots in the jewel hole.
On old pocket watches there is a third option.
3. Loosen the stud retaining screw. Push the stud down away from the balance cock. Remove the balance cock. Then remove balance wheel and staff. It can then be reassembled on the worktop.

Sent from my SM-G920F using Tapatalk
 

I use this method so I can sneak up on it, save for the third method there that I haven't thought of, pretty slick!

BTW I just got one of those balance stands/tacks and it's extremely useful.

Link to comment
Share on other sites

What has that to do with this? [emoji4] Better to let it swing? 

Yep it's more of a swing than a vertical lift, to move the balance bridge from its fixing stud or studs Then ease the lower pivot from its jewel but it still necessitates a slight lifting motion ??

Sent from my SM-G920F using Tapatalk

Link to comment
Share on other sites



  • Recently Browsing

    • No registered users viewing this page.
  • Topics

  • Posts

    • Its 4 o'clock in the morning here in the Uk, i cant sleep, i dont sleep, not much ever really. My brain never shuts off to rest, I'm just a constant thinker, i have to be very tired to be able to sleep,  i guess eventually it will be my undoing and my health will suffer because of it I'm sure. But while I'm here i want to get as much out of life as i can, and give as much as i can, to help,maybe to make a difference to someone's life if that is within my capability,recent events have made that need even more clear to me. I'm not sure where I'm going with this or why i bring it up , or if its relevant to want i want to talk about its just in my head right now. What i do want to talk about is something thats been on my mind for ages. I like to be prepared,  I'm not fond of surprises because surprises take control away and i am a bit of a control freak at times. This forum, Our Forum if i can call it that, is here because of two reasons. The guy that created it and keeps it funded and the people that joined it.  Without either, it would not exist, and lets face it one day it won't ( I'm a realist and i talk about things others dont or who are afraid to in other words folk that dont particularly prepare for the inevitable). How many of us visit here regularly ?  How many among us almost depend on the forum as a way of socialising because they are stuck at home and how many of us has it become part of a daily routine to check in and see if they can offer advice or get help with something they are working on or just to have a chat and engage in some banter. The members here are in the thousands and thousands have disappeared over the years many had just a fleeting visit. But there are a good few of us that know each other quite well and visit regularly. I dont know about you but i wouldnt want to lose that communication with you all, in all honesty it has become an important part of that side of my life and helps to feed my passion for all things watches. Some of you may think differently and thats ok, some of may stop and think # what would i do " Without Our Forum " # 
    • Naptha appears to be a general name and its content can be varied depending upon what it's specific use is. Lighter fluid as an example can be light or heavier also with other ingredients to help it burn. Try sesrching for benzine ( as opposed to benzene which is linked to causing health issues ) . There are other fluids such as ethanol that you could try and also methylated sprirts, mostly ethanol with a small percentage of methanol added. Experiment with any new chemical to see how quickly schellac dissolves in its presence. I have tried a few things but hexane is not one of them, i understand it does evaporate very quickly.  Be sure sure to check out any safety data on chemicals you try. Toxicity of fumes and flash point information, ultrasonic machines can heat up fluids even without a heater function. And of course always ask here for personal opinions when trying a new substance. 
    • I have that set and really like it. I prefer that crystal holder over the one that came with my Bergeon claw tool and any time I use the claw I use this one instead of the Bergeon one, just an additional bonus with this tool.
    • Is the Roamer not a split stem? I'm confused on your how your case is put together. If it is a front loader where is it you are putting the case screws? I love me some Roamer, do you have any photos?
    • Oh nice. I have a similar wedge style stump for my staking tool, so I'll give that a shot. Thanks!
×
×
  • Create New...