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I am puzzled though, how is it this "same" motor shown at motionsystems has a long black rod sticking out of it, but our motors don't have that? Something seems amiss?? And why do this flap motor failures seem to keep happening? Sounds like a MOTOR design problem to me...........
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My 1998 Motion Systems motor looks the same as in the pic. The moving part of the telescoping unit is black.
Recently, I took mine apart. There was an "exploded view" picture of all the parts on the net. Might even have been linked from here. I just googled for it.
While others had too much grease that worked it's way to the brushes, mine was a case of the wires that came out of the housing being pressed at a hard 90 degrees (from my installation). The insulation frayed, and one wire got to the point of intermittent operation.
The fix wasn't too tough. You remove the housing and end up with the wires & brush wires being pressed into a small hole with a pin. I found the pin somewhat difficult to press back in, so I just soldered them together, and re-routed the wires through the slots that hold them. There's a few tricks to keeping the spring loaded brushes in place, while you insert them around the motor armature, but it's not difficult either.
All in all, the unit is simple and fairly robust in construction. It works just fine now.
L.Adamson --- RV6A