I recall being told that the actual readings are not important, but that they should be linear, without any drops, which would indicate a worn spot. Karl Wolz
|-----Original Message----- |From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] |On Behalf Of Harold Teer |Sent: Wednesday, July 02, 2014 1:30 PM |To: vanagon@GERRY.VANAGON.COM |Subject: AFM test readings | |Thanks to Jarrett Kupcinski, I have acquired a spare AFM and |am attempting to understand the testing as detailed in Bentley |on page 24.57 | |Since I now have a spare to work with, I have compared the |measurements between 3 & 4 and 1 & 4 between the original and |spare and receive essentially the same readings. | |My question concerns the measurement between terminals 2 & 3 |--- Bentley says the value should be a resistance change when |the air sensor flap is moved | |But, does it matter what the range of change looks like? It |it starts out as .55 but changes to a high of 1.5 somewhere |along the movement of the flap, is that better than a high |value of 1.2 or even a high value of .6 since any of those |would provide a resistance change. | |Or, should I be looking at values when the flap is fully |opened? Or should I be looking for some other variance? | |Thanks for helping me understand this. | |Harold | |Harold Teer |1991 Westy -- VANGAUX |Harrisonburg, VA |
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