Re: OT Coleman PowerMate PROBLEM FOUND
- From: "amdx" <amdx@xxxxxxxxxxx>
- Date: Wed, 11 Jun 2008 07:29:56 -0500
>Coleman powermate generator quit working 1 hr 15 min after >working
properly. (Pro-Gen 5000)
A few minutes ago I pulled the cover and found a 19 turn coil in the stator
burned (overheated, no insulation left on copper). The unit has a pcb with
8 diodes and a capacitor, a foil on the pcb has overheated and opened. The
foil goes to a 470uf 200v capacitor. The only connection to that part of the
open foil is the capacitor. Leading me to think the cap is shorted, but at
this time and temperature, the cap shows very high resistance (over 2 meg)
and deflects
the meter both ways if I charge the cap and reverse the leads. ( deflects?
I'm using a digital meter, but you know what I mean). The diodes all check
good.
I don't know if I'll attempt repair at this point. It looks like the 19
turn coil could be replaced fairly easy, it's pretty loose in the slot. The
motor was not dipped in varnish.
Later, Mike
.
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