Re: 55 Patrician Speedometer
Posted by HH56 On 2024/2/10 17:26:11
Could be cable but also there is a somewhat hidden oil hole for lubricating the bushing holding the part the cable end spins when inserted in the speedometer. After all these years the bushing probably needs a few drops of light oil. In the 55-6 units the hole is in the square part of the casting on top and visible but somewhat blocked by a screw. The speedo does not need to be removed to add oil and a needle type applicator should be able to reach the hole. The oil hole has a felt wick to hold and distribute the oil but in some speedos there may be a dirt cover over the felt. Suspect a cover if after a drop or two the oil does not seem to want to be absorbed. If the bushing is totally dry it may also help to use the needle applicator to get a drop or two directly at the spinning piece at the end of the casting where it rotates in the bushing.
There is also a worm gear and train inside the speedo to work the odometer section and its grease could have dried up. A symptom if that has happened is the odometer wheels may jump or if the gear train is totally frozen and a gear has possibly been damaged, the wheels do not work at all. In either case to clean or repair the gear train the speedo will need to come out.
Attach file:
speedometer.jpg (188.89 KB)
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