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China Excavator Starter Motor manufacturer

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August 13, 2020

What are the reasons for the idling and abnormal noise of the excavator starter

 

What are the reasons for the idling and abnormal noise of the excavator starter 

 

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Common causes of idling starter of excavator:

 

  • The stroke of the contact plate is too short.

 

  • The stroke of the solenoid switch core is too short.

 

  • The teeth of the flywheel ring gear are severely worn or broken.

 

  • The one-way contactor slips.

 

  • The armature shaft and the iron core fit too loosely.

 

  • The shift fork of the starter and the shift fork groove of the one-way device are dislocated or the shift block is excessively worn, and the drive gear cannot be moved ba

 

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Common reasons for the abnormal noise of the excavator starter:

 

  • Abnormal idling noise: It is caused by the idling of the starter and cannot be toothed with the flywheel ring gear.

 

  • Impact abnormal sound: It is caused by the starter driving gear rotating at high speed and then colliding with the flywheel ring gear. It is caused by assembly and improper adjustment.

 

  • The electromagnetic switch produces continuous "da da" abnormal noise: it is caused by insufficient battery storage, poor circuit contact, and open circuit or short circuit in the coil of the electromagnetic switch.

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