3. TROUBLESHOOTING
58
EMERY
BRUSH
BRUSH
COLLECTO
3) Carbon Brush
Carbon Brush Grinding
Check the contacting face between the carbon
brush and the collector ring for contacting
faceless than 75% of the cross section of the
carbon brush after the running about 150hrs, If
contacting face less than, grind the carbon brush
contacting face. Put the No.00 emery cloth
between the carbon brush with the grinding face
facing up brush. Pull it come-and-go until up to
the standard value.
RED
BLUE
YELLOW / GREEN
(
Grounding wire
)
GRAY
GRAY
WHITE
BLUE
BLUE
GRAY