Chris96 Posted April 2, 2016 Report Share Posted April 2, 2016 I have a TR6 (1971 CP) with a wavering and quite loudly clicking speedo. Some of the gyrations of the needle are quite dramatic, moving 40 mph. I'd rather not replace the speedo as I'll lose the original mileage which I believe to be genuine. Does anyone have a recommended repairer as I'm reluctant to start digging around inside the unit as I feel that's beyond my pay grade. Thanks Chris S Green TR6 UNM 855K Quote Link to post Share on other sites
Richardtr3a Posted April 2, 2016 Report Share Posted April 2, 2016 Speedy Cables (London) Ltd Abercrave, Swansea SA9 1SQ 01639 732213 They have been doing this work for years and can set the mileage to read the same.. good luck Richard Quote Link to post Share on other sites
TR5tar Posted April 2, 2016 Report Share Posted April 2, 2016 (edited) By chance Chris, I've been looking around today for a firm that offers a speedo recalibration service. This is for a friend who has a 5 with a speedo that is over reading by about 20%. I came up with this outfit - http://www.jdo1.com/speedos.html I've not had any direct experience of the firm so cannot recommend it as such, but it might be worth you taking a look at it, along with the one that Richard suggested above. Darren Edited April 4, 2016 by TR5tar Quote Link to post Share on other sites
mike3md Posted April 2, 2016 Report Share Posted April 2, 2016 I can highly recommend John Ostick (jdo1.com), fast, reliable and reasonable service. My experience with Speedy has been anything but! Mike Quote Link to post Share on other sites
Glenn_Howard Posted April 2, 2016 Report Share Posted April 2, 2016 I can confirm that John Ostick (JDO) offers a first class service. Glenn Quote Link to post Share on other sites
brian -r Posted April 2, 2016 Report Share Posted April 2, 2016 I've also had first class service from John Ostick at a reasonable price Quote Link to post Share on other sites
Don H. Posted April 2, 2016 Report Share Posted April 2, 2016 Vintage British Cables in Canada has a scanned copy of a brochure on "The Care of Smith's Instruments" on their website that might give you some insight into the root cause of your problem. Check to see if it's a cable or gauge issue -- you might not need to touch your speedo if it's only the cable. http://vintagebritishcables.com/The-Care-of-SMITHS-Instruments.php Quote Link to post Share on other sites
AlanT Posted April 3, 2016 Report Share Posted April 3, 2016 Do you know for sure that this is NOT the cable or the angle-drive? Quote Link to post Share on other sites
G Denson Posted April 3, 2016 Report Share Posted April 3, 2016 I am another John Ostick fan. Reasonable costs and very helpful. May seem gruff on the phone but that does not in any way detract from his workmanship. Cheers Gordon Quote Link to post Share on other sites
AlanT Posted April 3, 2016 Report Share Posted April 3, 2016 "Repairing Jaeger & Smiths Speedometers" 20 pages or so, diagrams, photos. Anybody wo wants a copy of this should PM me with an email address. Quote Link to post Share on other sites
Don H. Posted April 3, 2016 Report Share Posted April 3, 2016 "Repairing Jaeger & Smiths Speedometers" 20 pages or so, diagrams, photos. Anybody wo wants a copy of this should PM me with an email address. The one by Anthony Rhodes c 2000, Alan? It's available from several hosts on the 'net: http://triumph.daveola.com/NOTES/Speedo_Repair.pdf Quote Link to post Share on other sites
AlanT Posted April 3, 2016 Report Share Posted April 3, 2016 Good, saves me emailing. No idea where I got it. Quote Link to post Share on other sites
Chris96 Posted April 3, 2016 Author Report Share Posted April 3, 2016 Thanks to all. I'll probably follow up on John Ostick. Chris Quote Link to post Share on other sites
flinty Posted April 4, 2016 Report Share Posted April 4, 2016 Sound very much like a dry cable to me. Before you take the speedo out try greasing the cable. Steve. Quote Link to post Share on other sites
AlanT Posted April 4, 2016 Report Share Posted April 4, 2016 But not too much. Grease can work up and into the gauge. In fact that may well be the problem. Quote Link to post Share on other sites
Don H. Posted April 4, 2016 Report Share Posted April 4, 2016 Thanks to all. I'll probably follow up on John Ostick. Chris Chris, don't be afraid to fool around with the speedometer cable. It's pretty easy to work on, and the things where one needs to take care are simple: 1. Don't over-grease it 2. Don't kink it 3. Make sure the square drive is fully inserted in both transmission and instrument sockets before retightening the knurled nut at the back of the gauge. Heck, if you're going to take out the instrument for service, you're going to be into the cable anyway. Take a chance on lubing the cable and checking for kinks before you've gone to the effort/expense/risk of having an instrument serviced that might not need it. Quote Link to post Share on other sites
AlanT Posted April 4, 2016 Report Share Posted April 4, 2016 I have recently seen angle-drives that seem OK at first. But then when I take them apart the wire-stub can slip in the ferrule, just a bit and then it locks and then it slips again. Quote Link to post Share on other sites
rvwp Posted March 26, 2022 Report Share Posted March 26, 2022 Hi Guys, I know this is an old post, but I need to strip my Jaegar Speedo in my 4A which is behaving erratically. Alan T was offering a 'Repairing Jaegar and Smiths Speedometer guide' to anybody that wanted them. I have tried to message Alan T, but it seems that he is not receiving messages? Does anybody have a copy that they could e-mail me on rvwp@yahoo.co.uk. Thanks Rich Quote Link to post Share on other sites
Charlie D Posted March 26, 2022 Report Share Posted March 26, 2022 (edited) Hello Rich, This may be useful: http://obswww.unige.ch/~wildif/cars/docs/Smith-jaeger_speedo_repair.pdf Charlie Edited March 26, 2022 by Charlie D Quote Link to post Share on other sites
Lebro Posted March 26, 2022 Report Share Posted March 26, 2022 If you get stuck, I have repaired a few now. Bob Quote Link to post Share on other sites
rvwp Posted March 27, 2022 Report Share Posted March 27, 2022 Thank's Charlie D/Bob, The PDF supplied by Charlie looks like it should provide enough info to start a diagnostic strip down of my speedo. Might get back to you Bob if I get stuck. t Thanks, Rich Quote Link to post Share on other sites
Lebro Posted March 27, 2022 Report Share Posted March 27, 2022 Be very careful not to damage the hair spring. A likely cause of an erratic needle is a worn bearing bush which is located inside the input shaft. This allows the shaft (& the aluminium disc) to wobble, & if it touches the spinning magnet will cause the needle to jump around. Bob Quote Link to post Share on other sites
Ian Vincent Posted March 27, 2022 Report Share Posted March 27, 2022 My Speedo has suddenly become erratic this year. I suspect I need to check the cable. I have some graphite lubricant that I have used with some success in the past so I will give it a try with that. Unfortunately it won’t be for a few days as I have been struck down by the dreaded lurgy (COVID), and am currently suffering from a high temperature and a cough. Rgds Ian Quote Link to post Share on other sites
Hamish Posted March 27, 2022 Report Share Posted March 27, 2022 4 minutes ago, Ian Vincent said: My Speedo has suddenly become erratic this year. I suspect I need to check the cable. I have some graphite lubricant that I have used with some success in the past so I will give it a try with that. Unfortunately it won’t be for a few days as I have been struck down by the dreaded lurgy (COVID), and am currently suffering from a high temperature and a cough. Rgds Ian Hope you get well soon Ian and it doesn’t get you too hard. Quote Link to post Share on other sites
Ian Vincent Posted March 27, 2022 Report Share Posted March 27, 2022 Thks Hamish, I have been banished to the spare room. Rgds Ian Quote Link to post Share on other sites
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