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TuffTR250
05-06-2018, 02:32 PM
Does anyone have detailed step by step instructions for a TR3 speedometer showing how to open it up, how to clean the interior parts and what chemicals to use for cleaning; and then how to re-lubricate it and what lubricant to use? My 3 month old 96 inch speedo cable twisted off on the OD/Transmission end so I suspect the speedometer is binding. Thanks for the help!!
Bob

Geo Hahn
05-06-2018, 02:58 PM
You can't do better than Anthony Rhodes' excellent manuscript:

https://triumph.daveola.com/NOTES/Speedo_Repair.pdf

I have used it to refurbish several units.

TuffTR250
05-06-2018, 05:24 PM
Great!!! Thank you Geo!!! Looks very good!
Bob

ckeithjordan
05-06-2018, 09:03 PM
Here's another excellent reference, "Smiths: The Care of Instruments."

https://vintagebritishcables.com/The-Care-of-SMITHS-Instruments.php

CJD
05-06-2018, 09:33 PM
You can follow my pictures until photobucket takes them back...again!?! Post #55 for rebuilding and calibrating your tach. Post #66 for your speedo. Also, in the article above...DON’T glue weights to your spinner. That’s crazy talk. All it takes to calibrate is a medium strength rare earth magnet.

https://www.britishcarforum.com/bcf/showthread.php?94885-Instrument-Faces/page2

TuffTR250
05-07-2018, 08:46 AM
Thanks Keith and John!
Bob