Jump to content

Bfg 866 Dlg, 17 Jewel Movement. My First Disassembly, Cleaning And Re-Assembly...and It Is Working.


noirrac1j

Recommended Posts

I have been working on this little Baumgartner 866 pin-lever engine for a few days and finally put back all of the drive components back late last night. It is ticking away very nicely. Tonight I will replace the minute, hour and calendar wheels--Yes, they are all wheels! I have posted the disassembly and will post the other pictures later. I want to thank Mark for his excellent video showing the AS1900 overhaul because that is what I used for guidance. During several places I simply had to follow my own way obviously because this movement is very different than that one, but it worked! I cleaned it with Naptha and afterward got my little oilers and put it back together. The hardest part was getting those wheels seated properly in their pivots and also the pallet lever. One thing I couldn't figure out was how to remove the Novodiac shack system.....I'll have to return to it later. I also replaced several parts from a new BFG 866 I bought for $20.00.  I could not believe when the little thing sprang to lif after assembly...it was still running nicely this morning when I left the house.

Joe

post-328-0-49686600-1411568600_thumb.jpg

post-328-0-18465900-1411568621_thumb.jpg

post-328-0-03431300-1411568673_thumb.jpg

post-328-0-57427900-1411568732_thumb.jpg

post-328-0-40302600-1411568811_thumb.jpg

post-328-0-29320600-1411568837_thumb.jpg

post-328-0-24758700-1411568875_thumb.jpg

post-328-0-16964400-1411568957_thumb.jpg

post-328-0-67110800-1411568987_thumb.jpg

post-328-0-51183800-1411568995_thumb.jpg

post-328-0-81246800-1411569119_thumb.jpg

post-328-0-87595400-1411569197_thumb.jpg

post-328-0-17432200-1411569244_thumb.jpg

post-328-0-61002000-1411569276_thumb.jpg

post-328-0-95731400-1411569287_thumb.jpg

  • Like 1
Link to comment
Share on other sites

  • 4 years later...

This is FANTASTIC!!!! I have this movement in my own jump hour watch(es) and am hoping I have the patience to strip down and repair mine too. Many, many thanks for posting these excellent pics. 5 years on, but you are my newest hero!

Link to comment
Share on other sites

2 hours ago, ac30kev said:

This is FANTASTIC!!!! I have this movement in my own jump hour watch(es) and am hoping I have the patience to strip down and repair mine too. Many, many thanks for posting these excellent pics. 5 years on, but you are my newest hero!

Wow thanks!  I still have one of my original Sicura jump hour, and have many extra parts, so feel free to ask.

J

Link to comment
Share on other sites

18 minutes ago, noirrac1j said:

Wow thanks!  I still have one of my original Sicura jump hour, and have many extra parts, so feel free to ask.

J

Oh, you will wish you hadn't said that. LOL. One question though; how in the name of blazes did you get the erm, fork thingy (regulator? Sorry, I'm new to all this) to stay upright in a poc over on the assembly thread (sorry, on phone and cant look and type) there doesn't seem to be a hole for the pin to fit into and the covering plate doesnt seem to touch it... confused.com

 

Link to comment
Share on other sites

9 minutes ago, ac30kev said:

Oh, you will wish you hadn't said that. LOL. One question though; how in the name of blazes did you get the erm, fork thingy (regulator? Sorry, I'm new to all this) to stay upright in a poc over on the assembly thread (sorry, on phone and cant look and type) there doesn't seem to be a hole for the pin to fit into and the covering plate doesnt seem to touch it... confused.com

 

Do you mean the pallet fork? It is held in place at the jeweled end of this bridge.... 

160954261_ScreenShot2019-06-14at11_03_28AM.png.13cb7d17e69e98b1eda380d33f6db58d.png

Link to comment
Share on other sites

3 minutes ago, ac30kev said:

2014-09-23 22.50.27.jpg

This is the pic I mean...

Ah, yes- OK. The bridge is NOT in place in this pic, and you can see that the pallet fork is angled in towards the escape wheel. This is the preliminary position of the pallet fork just before the bridge is placed over the pivot and adjusted with tweezers.

J

Link to comment
Share on other sites

yes, Thats the part. I can see that the bejewelled bridge should hold that in place, but on the pic I've put above, you can see the fork standing up by itself. is this some kind of magic us watch newbies don't know of yet?

 

Link to comment
Share on other sites

Rather than hi-jacking this excellent and useful thread, I tried to send you a message noirrac1j, but the system told me you cant accept my messages. Would you mind if I asked a few questions over the next few weeks (when I can get time to play with, er attempt to fix, my broken movement?

 

Link to comment
Share on other sites

34 minutes ago, ac30kev said:

Rather than hi-jacking this excellent and useful thread, I tried to send you a message noirrac1j, but the system told me you cant accept my messages. Would you mind if I asked a few questions over the next few weeks (when I can get time to play with, er attempt to fix, my broken movement?

 

Sure!

Joe

Link to comment
Share on other sites



  • Recently Browsing

    • No registered users viewing this page.
  • Topics

  • Posts

    • that band is old as stated, there is a kit that pops up from time to time on selling sites for the repair of these type bands, some of this type are adjustable on a few links, one adjustable type allows you to align the round opening in the expansion slit [like yours] with the rivet to separate, but if yours won't come out then the rivet head is too big and will have to be done with some rivet removal and replacement, I suppose if you could make/optain the correct rivets that one could alter the said band, the tops/caps do lift off after raising the tabs....  
    • This is a watch from a friend who sent it to a neighborhood watchmaker for a battery change. It came back with the watch stem in a ziplock bag and the dial skewed 20°. The watchmaker told him that the stem was faulty and the watch cannot be repaired. I opened up the watch and found that one dial foot was broken off and still stuck in the movement, while the other was bent until it was flat against the dial. The stem could be inserted but it couldn't be pulled out to quickset and time adjusting positions. I did a full disassemble, cleaned and oiled the movement. But when it put in the battery, the second hand runs super fast. Like it gains 30 mins every hour. Any advice on fixing this problem? TIA.
    • I determined that the balance staff is rotating, not the roller table, so my second attempt at riveting was unsuccessful. I have ordered a new balance staff and will take measurements when it arrives. The balance staff i originally ordered (and now reordered) was specified as: Replacement balance staff: (A. Schild Caliber 984 1002 1021 1124 Original Balance Staff Part 723) so it should be correct. Measurements: (see pic below for terminology) xxxyy is a place holder until the new balance staff arrives. Lower pivot: Old - .08 mm New - xxxyy Lower pivot to balance seat: Old - 1.53 mm New - xxxyy Roller shoulder: Old - .42 mm New - xxxyy Hub: Old - xxxyy New - xxxyy Balance shoulder: Old - .86 mm New - xxxyy Collet shoulder: Old - .56 mm New - xxxyy Upper pivot: Old - broken New - xxxyy
    • Hello and welcome from Leeds.  We're here to help. 
    • I was just about to adk that, probably they have unnecessary waiting lists to make their watches appear more exclusive than they actually are.
×
×
  • Create New...