burning loss in the surface.
Clean the metal powder on the surface of the commutators.
Conduction check between all interfaces of other components
Make sure armature shafts of all interfaces could not turn on.
Conduction check of the outer cover of the starting motor.
Make sure the conduction terminator and the
outer cover of the starting motor could not turn on.
Conduction check between conduction terminators and electric brushes.
Change for a new one if there is anything abnormal.
Conduction measuring of the electric brush bracket.
Change for a new one if it turns on.
Measuring of the length of electric brushes.
Available Credit：change those below 3mm.
Check whether the needle bearing in the front
cover is rotating smoothly and whether there is
any loose when pressed in.
Change for a new one if there is anything abnormal.
Check whether there is any wear or damage of the oil seal.
3.3.4 Assembling
Oil seal and greasing coating in the front cover.
Install the electric brush on the electric brush bracket.
Grease coating on movable parts of the two ends of electric
brush.
Press all the electric brushes into the bracket, then fit on the
front cover of the electric motor.
* Note
• Damage is not allowed in the interface between the electric
brush and the armature, pay attention please.
• The labial part of the oil seal should not be damaged by the
installation shaft, pay attention please.
Install new O-rings on the front cover.
Pair the screw of the motor shell with the one of the front cover
during installation.
Screw up the screw in the outer shell.
* Note
In the assembling of the outer shell and the front cover,
use the magnet to draw the front cover to make it easy to
pull out the armature, and then press it down softly.
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