Starter Brush: Service and Repair

INSPECTION OF BRUSHES





1. Measure the length of the brush protrusion shown in the illustration, and replace the brush if the measured value is below the limit value.
Limit : 2 mm (0.8 in.) or less

2. The brush can be removed if the solder of the brush lead wire is removed.
3. When installing a new brush, insert the brush into the holder, and then solder the lead wire.

REPLACEMENT OF BRUSHES AND SPRINGS




1. Brushes that are worn beyond wear limit line, or oil-soaked, should be replaced.
2. When replacing field coil brushes, crush worn brush with pliers, taking care not to damage pigtail.




3. Sand pigtail end with sandpaper to ensure good soldering.
4. Insert pigtail into hole provided in new brush and solder it. Make sure that pigtail and excess solder do not come out onto brush surface.
5. When replacing ground brush, slide the brush from brush holder by prying retaining spring back.