SECTION 1 -INTRODUCTION TO BRUSHES AND CARBON GRADES
Question 1:11 Do Brushes Have a Shelf Life?
Electrographitic Carbon is very stable and when stored in a clean dry atmosphere will remain serviceable indefinitely. Some additives may, over time, lose some of their effectiveness. However, this should not greatly affect the general operation, though the benefit of the additive may be reduced or lost.
Copper graphite brushes or the cooper flexible connection may be subject to corrosion if stored in an unsuitable atmosphere. These should be replaced if corrosion is present. One possibility may be to order brushes with tinned leads which will assist in protecting the leads against corresion if stored for long periods.
Question 1:12 How Should A Spare Motor, Fitted With Brushes, Be Stored?
The information has been drawn from experience of Morganite Taiwan Limited Application Specialists combined with a wide range of published information from major carbon supplier and motor manufacture. However, the material can not be downloaded, copied or used without written permission.
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