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Troubleshooting

Motor/Generator Name Plate:

Motor Manufacturer
Frame or model #
Volts
Amps
# of Holders
#of Brushes Being Used
#of Slip Rings
Metered Running Amps
Commutator
RPM/Nameplate RPM
Running RPM
Thickness & Width of Brush

Condition of contact surface:

Streaking	Threading	Grooving
Copper Drag	Bar Edge Drag	Slot Bar

Arcing?
Brush Bounce?
Last time the spring clips were changed?
Pad on brush
Spring force reading
Metal hammer plate

Type of brush holder:

Constant Force	Coil Spring	Spring Finger Type
Other

Condition of the brush:

Condition of shunts:

Frayed	Discolored	Pulled out of Carbon
Good Condition	Tinned	Sleeving

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