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  • Users: mtwentyc
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  1. mtwentyc

    Extreme DC motor brush wear - Offshore Drilling Rig

    Ref thread237-178054 Hi all, back again after a significant absence. Apologies in advance to begin a new thread with such a long ramble, hopefully you'll see how frustrating this is as you read on. Mid 2006 - The issue referenced in the above thread (Feb '07) related to extreme and selective...
  2. mtwentyc

    Traction Motor Brush Wear Problem

    Hi all, thanks for the forum. Have searched by keyword with no results - maybe someone has seen this problem before. We have a 1000HP GE752 AUT, series wound in an offshore drilling environment. The motor is mounted vertically on a top drive drilling unit driven by a Ross Hill SCR system. I'm...

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