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The Element Carbon
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Carbon Brush Appearance
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Other Reference Charts
Commutator Appearance
Flexible Cable Appearance
Carbon Brush Appearance
Additional Info
Commutator Insulation
Concentric Running
Brush Pressure
Brush Distribution and Positioning
Setting of the Brush Holders
Fitting and Bedding Carbon Brushes
Hints for Preventative Maintenance
General
Commutation
Motor Detail Questionnaire
Carbon Brush Appearance
B1-BRANCH FORMATION DUE TO EXTRANEOUS DUST
B2-REDUCED BY DUST GROOVES
B3-BREAKAGE DUE TO OSCILLATIONS
CARBON BRUSH – TOP SURFACE – WORKING IN OF THE PRESSURE PIECE
B4-SMOOTH THROUGH PURELY MECHANICAL WORKING IN
CARBON BRUSH – TOP SURFACE – WORKING IN OF THE PRESSURE PIECE
B5- BURNT DUE TO ADDITIONAL CURRENT CONDUCTION AND SPARKING
B6-MECHANICAL STEP FORMATION
B7-SIMULTANEOUS BREAKING-UP OF THE SURFACE DUE TO CURRENT FLOW
B8-SIDE VIEW OF B6 & B7 (left)
B9- PEELING-OFF IN LAYERS ON THE TRAILING SIDE
B10- SCALLOPING EFFECT ON LEADING EDGE