Clock repair

[JDF Wessels]

Hi all,

In an attempt to make my TC like it was some 50 years ago, I took out the clock which is mounted in the Rev meter at the dashboard.

I first tried if it did not work because of bad electrical connections. The result was unfortunate, no effect at all.

Looking at the clockwork, it all runs smoothly, I can change the time using the "knob". It contains a shunt (or coil, or whatever this called in proper English). My only guess is that this is the faulty part.

Anyone have experience with restauration of the clock?

kind regards,

(Yes I know, there are clocks everywhere around me and yes, it will eat the battery, but still.......)

Frans Wessels Esdoornstraat 8 4043MG Opheusden The Netherlands tel : +31-(0)488-443657

[Jennifer and Hugh Pite]

Hi Frans, the most likely problem with the clock is the make-or-break contact points that givee electrical power to the coil which in turn gives a magnetic pulse to the balance wheel which drives the clock mechanism. The opening and closing of the points is accomplished as the balance wheel rotates back and forth. The points are located under the balance wheel. They may just be dirty but more likley they have been eroded away by the continual sparking as the points open and close. This is difficult to repair unless you are an instrument restorer. Hugh Pite, Sidney, B.C.

----- Original Message ----- [b]From:[/b] j.d.f.wessels@freeler.nl [b]To:[/b] mg-tabc@yahoogroups.com [b]Sent:[/b] Sunday, July 15, 2001 10:48 AM [b]Subject:[/b] [mg-tabc] Clock repair Hi all, In an attempt to make my TC like it was some 50 years ago, I took out the clock which is mounted in the Rev meter at the dashboard. I first tried if it did not work because of bad electrical connections. The result was unfortunate, no effect at all. Looking at the clockwork, it all runs smoothly, I can change the time using the "knob". It contains a shunt (or coil, or whatever this called in proper English). My only guess is that this is the faulty part. Anyone have experience with restauration of the clock? kind regards, (Yes I know, there are clocks everywhere around me and yes, it will eat the battery, but still.......) Frans Wessels Esdoornstraat 8 4043MG Opheusden The Netherlands tel : +31-(0)488-443657 Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.

[Jennifer and Hugh Pite]

----- Original Message ----- [b]From:[/b] jenntoo@home.com [b]To:[/b] mg-tabc@yahoogroups.com ; j.d.f.wessels@freeler.nl [b]Sent:[/b] Sunday, July 15, 2001 11:56 AM [b]Subject:[/b] Re: [mg-tabc] Clock repair Hi Frans, the most likely problem with the clock is the make-or-break contact points that givee electrical power to the coil which in turn gives a magnetic pulse to the balance wheel which drives the clock mechanism. The opening and closing of the points is accomplished as the balance wheel rotates back and forth. The points are located under the balance wheel. They may just be dirty but more likley they have been eroded away by the continual sparking as the points open and close. This is difficult to repair unless you are an instrument restorer. Hugh Pite, Sidney, B.C. ----- Original Message ----- [b]From:[/b] j.d.f.wessels@freeler.nl [b]To:[/b] mg-tabc@yahoogroups.com [b]Sent:[/b] Sunday, July 15, 2001 10:48 AM [b]Subject:[/b] [mg-tabc] Clock repair Hi all, In an attempt to make my TC like it was some 50 years ago, I took out the clock which is mounted in the Rev meter at the dashboard. I first tried if it did not work because of bad electrical connections. The result was unfortunate, no effect at all. Looking at the clockwork, it all runs smoothly, I can change the time using the "knob". It contains a shunt (or coil, or whatever this called in proper English). My only guess is that this is the faulty part. Anyone have experience with restauration of the clock? kind regards, (Yes I know, there are clocks everywhere around me and yes, it will eat the battery, but still.......) Frans Wessels Esdoornstraat 8 4043MG Opheusden The Netherlands tel : +31-(0)488-443657 Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.

[sculptart@aol.com]

Frans, I have returned several of these clocks to running order. First, you normally do NOT have to disassemble anything. That is unless you have one that a previous owner has taken apart...walk away from these quickly unless you really like frustration. Clean every moving part with a good solvent...I use lacquer thinner and a paint brush. The most usual source of problem is the contact point where each "tick" of the clock makes and breaks an electrical connection. Look at this carefully. Once every 50 or so years this might have to have the "prong" moved a bit as over time the spark from making and breaking the contact removes a minute amount of metal and simply by making the contact on a fresh area of prong you will restore contact. Lightly reoil the bearing surfaces with your wife's sewing machine oil and then adjust the timing. One mark on the "F"/"S" side roughly corresponds to 5-7 minutes each 24 hours. I like to keep mine on a bench test and then when I get 48 hours without gain or loss, install into the tach. My best, Ben Cordsen

[seabrook@en.com]

Frans & Group, Two people who do have experience with restoration of TC clocks are: Hal Kramer in the USA HalandJoan@aol.com John Marks in the UK Instruments@vintagerestorations.com Craig Seabrook Whitworth Shop TC/0911 JDF Wessels wrote:

> > Hi all, > > In an attempt to make my TC like it was some 50 years ago, I took out > the clock which is mounted in the Rev meter at the dashboard. > > I first tried if it did not work because of bad electrical > connections. The result was unfortunate, no effect at all. > Looking at the clockwork, it all runs smoothly, I can change the time > using the "knob". It contains a shunt (or coil, or whatever this > called in proper English). My only guess is that this is the faulty > part. > > Anyone have experience with restauration of the clock? > > kind regards, > > (Yes I know, there are clocks everywhere around me and yes, it will > eat the battery, but still.......) > > Frans Wessels > Esdoornstraat 8 > 4043MG Opheusden > The Netherlands > tel : +31-(0)488-443657 > > Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.