Serial Number

Existence phenomenon

Improvements

01

The commutator or slip ring is not round

Turning or film grinding

02

Carbon brush pressure does not do

Increase carbon brush pressure

03

Carbon brushes are bonded inside the brush holder

Clear debris and dust, use grooved surface

04

Oil and dirt between the sheets of the commutator

Clean sheets, filter cooling gas and seal bearings

05

Improperly seated carbon brush

Re-import

06

The gap between the brush holder and the commutator surface is too large

Adjust the distance between the bottom of the brush holder and the commutator to 2.0mm

07

Insulating sheet bulges

Undercut insulation and commutator chamfers

08

Motor vibrates or clicks

Reduce motor vibration, increase carbon brush pressure, with fiber and rubber pad design on top

09

Carbon brush bridge dislocation

Establish a neutral position and adjust the brush arms accordingly

10

Carbon brush arm installation misalignment

Correctly adjust the brush arm

11

The commutator is too strong or too weak

The motor manufacturer should correct the error, or replace the carbon brush material