View single post by RegUS_PatOff
 Posted: Fri Jun 25th, 2010 10:44 am
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RegUS_PatOff



Joined: Sat Sep 24th, 2005
Location: Milwaukee, Wisconsin USA
Posts: 16509
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 not much info in the service manual

W640/W660
208–240 V    60 Hz
Part no.: 80 617 74
Resistances:

Pins 1-2    68.7 Ω
Pins 3-4     1.65 Ω
Pins 5-6     1.52 Ω*
Pins 5-7     0.58 Ω

* 1.9 Ω measured diagonally across the collector.
The motor is a universal motor controlled by an external motor control board.
The rotation speed is stepless and controlled by a tachogenerator on the motor.
The maximum speed is 1600 rpm.



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