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On 13 Sep 2006 at 23:30, Constantino Tobio wrote: > Ok, I hooked the device to my battery charger, and it does warm up > steadily- going as high as 150 degrees on the outside of the can after > about 15 minutes. > > I put a couple of drops of motor oil in the higher nozzle, and powered > it on. With a little screwdriver I worked it back and forth. It seems to > be fully closed when the can hits 140 degrees- though this is relative > as I can still blow air through it, albeit with a bit of resistance. > This thing doesn't shut airtight, does it? That's right; it doesn't actually seal, it just reduces the flow to a minimum. > Lets see what happens when it cools off (I'll try again tomorrow night) > and goes through another heating cycle. I'm presuming its essentially > wide-open when cold. Right, but you'll probably have to jiggle the piston inside again to get it to move back. Every time you repeat this it frees up a little more. > In the meantime I left it upside down on top of a shop towel so any > excess oil drips out, not collects on the heating element. I can't > imagine the heating coil would be too happy with a bunch of motor oil > sitting on it. I don't know for sure, because I've never had a completelly dead one that I felt comfortable tearing apart, but my bet would be that Bosch made this to work in an oily environment and that it would work there just fine. The air passing thru it comes thru an oil-filled air cleaner after all. -- Jim Adney jadney@vwtype3.org Madison, WI 53711-3054 USA ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~