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In Reply to: Lew, here is the picture you requested, but I don't think that much if any posted by alaskahiatt on May 12, 2017 at 14:10:51:
If you take the old brush apart you will see that the aluminium part is only a thin cover over the black plastic handle underneath which actually holds the fibres in place.
There is an electrical connection between the fibres and the aluminium cover by means of a small ( brass ?) pin that protrudes from the black plastic handle connecting to the underside of the aluminium cover. However the cover is hot glued to the plastic handle. The brass contact point only protrudes by a mm or so and the thickness of the hot glue can exceed this. So the electrical connectivity from fibre to aluminium cover is actually determined by the thickness of the application of the hot glue and it appears perfectly possible for no contact to be made at all.
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Follow Ups
- RE: Lew, here is the picture you requested, but I don't think that much if any - PAR 23:48:47 05/12/17 (4)
- That would explain why my readings were always fluctuating. My pressure - alaskahiatt 16:12:10 05/13/17 (2)
- RE: That would explain why my readings were always fluctuating. My pressure - PAR 01:37:14 05/14/17 (1)
- RE: That would explain why my readings were always fluctuating. My pressure - tketcham 04:03:36 05/14/17 (0)
- I'm impressed... - Lew 10:00:18 05/13/17 (0)