Brush holder check
Brush holder insulation check
With an ohmmeter, measure the resistance be-
tween the positive and negative terminals of brush
holder A.
Brush holder replacement
If the resistance value is lower, replace the brush
holder.
Characteristic
Insulation resistance:
100 M or more
Coupling check
Checking the pinion gear tooth and grooves.
Check for possible damage to the pinion gear tooth
and grooves. If the tooth is damaged, replace the
coupling. Also check the flywheel crown gear for
signs of wear or damage.
Brush replacement procedure
1. Cut the brush braid (copper braid) from the ter-
minal side at point A shown in the figure.
KEY:
A= Cutting point
2. With a file or a similar tool, remove the welding
traces, in order to obtain the correct terminal sizes.
Prescribed sizes:
- PAY ATTENTION TO REMOVE THE MATERIAL AS INDI-
CATED IN THE SIDE FIGURE, SINCE THE PART TO BE
REMOVED IS VERY REDUCED AND IT IS EASY TO SCORE
THE FIELD WINDING.
Characteristic
Thickness:
1.3 - 1.5 mm
Width:
5 mm
Electrical system PORTER 1.3 16V
ES - 106
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