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STARTER MOTOR BRUSHES REPAIR IN HAMILTON

About starter motor brushes:

Starter motor brushes have spring pressure to push against the starter motor commutator inside the starter motor. There is a series of brushes used to connect the electrical current from a static conductor to a dynamic conductor. The brushes make contact with the commutator and as the starter begins to rotate the brushes reverse the flow of current to the armature alternatively. Starter brushes carry the full flow of current through the motor.

In a starter motor, there are usually about 4 or more brushes with two as a positive brush and the other two as negative brushes. The material of this brush is usually made of copper and carbon, to keep the brushes and commutator from wearing out. But over time the starter motor brushes will wear out. If this happens then the starter will be difficult to run or may only operate intermittently.

 

Causes of brushes to wear in starter motors:

In the case of starter motor brush faults, sparks can occur between the starter motor and commutator and the brushes due to unsmooth contact of the brushes.
  • Brushes experiencing damage due to electrical underloading or overloading
  • Starter Motor winding faults
  • Voltage surges to the motor
  • Issues with the commutator – excessive sparking / arcing caused by worn starter motor brushes

 

Symptoms of a bad starter motorstarter

Common bad starter motor signs include

  • Engine not turning over and won’t start
  • Starter engaging but not spinning the motor
  • Grinding noises or smoke when starting the motor
  • Interior lights dim when starting the car

 

Starter motor repairs and replacement in Hamilton

If your car starter motor is not working correctly and needs a repair we are here to help you, to repair your starter motor or replace it according to your cars need.

At Grimmer Motors, our team of experienced mechanics provide solutions to a variety of starter motor related issues and other electrical related issues. Please contact us by clicking on the button below.

 

CONTACT US

 

Phone: 07 855 2037

Email: office@grimmermotors.co.nz

Address: 998 Heaphy Terrace, Fairfield, Hamilton

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