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OM-4423 Page 37
8-9. Checking Generator Brushes
Ref 2114 778−D / S−0233−A
Y Stop engine and let cool.
1 Generator Brush With Spring
Mark and disconnect leads at brush hold-
er cap. Remove brushes.
Replace brushes if damaged or if brush
material is at or near minimum length.
1
5/16 in. (8 mm)
Minimum Length
9/16 in. (14.3 mm)
New Length
Replace
Damaged Brushes
Notes
16 Gauge (.063 in)
22 Gauge (.031 in)
24 Gauge (.025 in)
20 Gauge (.037 in)
18 Gauge (.050 in)
14 Gauge (.078 in)
1/8 in (.125 in)
3/16 in (.188 in)
1/4 in (.25 in)
5/16 in (.313 in)
3/8 in (.375 in)
1/2 in (.5 in)
MATERIAL THICKNESS REFERENCE CHART