M R Engineering has been repairing traction motors for local trams for many years. Our process has continually improved to provide our customers with the highest experience.

Our Basic Overhaul Includes:

• Disassemble motor
• Clean all parts
• Inspect all metal parts for distortion and wear
• Electrical test the armature and field coils
• Turn to Turn Surge test
• Hipot Ground test
• Core loss test the armature
• Turn, undercut, and balance the armature
• New brushes if required
• New bearings
• Rebuilt brush holders
• New seals and gaskets
• Run test the motor under no load condition.
• Check the running vibration on the assembled motor
• Paint the motor