Jump to content

Help needed to dismantle British 1920s-1930s Smiths car clock


Recommended Posts

My first post here...! Can anyone advise me on the best way to remove the movement from this clock please? The winder and other parts in the rear are stopping me taking the movement out. I cannot see an obvious way to remove the winder and hand adjuster. Can anyone help please?

B0D5918D-FF57-4FB5-A3D6-D7815EAAA1E7.jpeg

ABA61DA0-3996-407C-8727-989C00336A77.jpeg

B62CA10B-63B8-4D5F-920D-419E8C2D64C9.jpeg

1DA57C10-5749-464F-9455-CBDD2F44093B.jpeg

Link to comment
Share on other sites

I suspect the key unscrews backwards, the hand adjuster pulls out (like an old alarm clock), and the other thing... 'aint got a clue, keep poking and prodding it to see if you can figure it out.

EDIT: ".. the other thing.." is presumably the regulator, and I suspect it has a two pronged fork on it that sits over the internal regulator arm, so it may not need much poking and prodding, it may simply slide off.

Edited by AndyHull
Link to comment
Share on other sites

Yes, the winder will just unscrew the opposite way to winding and the hand setting button will pull off as Andy has said. The 'other thing' is just a window to give access to the regulator; it does not need removing to take the back off.

Hopefully you'll find the back is then just a friction fit so gently wiggling and lifting it should do the trick. If you need to use a screwdriver to prise the back up slightly then go gently and work evenly around the circumference .

Link to comment
Share on other sites



  • Recently Browsing

    • No registered users viewing this page.
  • Topics

  • Posts

    • Welcome to the group Stirky. You can search for just about every subject in the craft here. Don't be afraid to ask if you can't find the answer that may have already been covered ( some ad nauseum LOL ). You don't have to buy Bergeon to get good quality. There are many decent mid-range tools available that will last you a lifetime. Cousins would be a good place to start . Cheers from across the pond ! Randy
    • I picked up a similar amount of these jewels some years ago in a watch and clock fair. Every now and then they come in handy. This week I've got a rubbed in bombe jewel in the balance cock that is cracked and needs replacing. Very handy to have a vintage assortment of these type of jewels!
    • Great diagram with the teeth and pinion count. Simple way to reduce the speed of the hour wheel by the 12:1 minute wheel. Genius and yet so simple. Always good to reinforce the principal by what you have done in your drawing. Keep doing that. I had a drawing on my wall for years showing me this which is very similar to the drawing you have done. Here's a formula to work out the beats per hour of a watch movement. The movement's BPH is dictated by the wheel teeth and pinion count and the hairspring being vibrated to the correct BPH by finding the pinning up point on the hairspring using a vibrating tool.  The reason in the formula there is X2 on the top line is because there are two pallet stones.
    • So I just wanted to say "thank you" again.  The angle is the key bit it seems and yes, it did basically just fall, or float, back into position when I got it lined up just right. I had meant to add that now that I see how it goes in, I totally see how it came out in the first place, and that whomever cloned the original movement didn't pay much attention to the fine details around the setting or how it interfaces with the balance cock or the "rings" on the regulator and/or stud carrier arms.
×
×
  • Create New...