Posted by dgoddard on October 13, 2015 at 15:03:03 from (104.245.136.182):
After running for just a few minutes today the Tachometer/Hour meter suddenly fogged up and I could barely determine the RPM to an approximation. After a bit longer the fog turned to droplets that obscured the meter even worsel This is a first after a couple of years of operation of the tractor by me.. The tractor resides in a shed (repuroosed car port) I just recently washed off a heavy accumulation of dust which is probably the source of the moisture.
How should i go about dealing with this?
1, How important is it to dry out the meter and how is water removal done.
2. How does one seal the unit to prevent further occurances?.
3. Is the unit even supposed to be sealed, or is it supposed to be vented.
4. Is the leak source likely to be along the flexible shaft which drives the instrument rather than around the lens.
The instrument appears to be totally mechanical Lacking even a light
If It must be dried out, I would propose to seal it in a container and draw a vacuum on it.
That might be accomplished with something as simple as a plastic bag, provided that will not crush it, pop the lens off of it or otherwise damage it.. If not that then enclose it in something rigged from plastic pipe for a vacuum chamber or Just bag it along with with a bag of dessicant.
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