Miller Electric OM-4409 - Manual (Page 49)

OM-4409 Page 45
9-3. Checking Generator Brushes
Ref. 206 467
! Stop engine and let cool.
1 Generator Brush
Remove brushes from brush holder.
Replace brushes if damaged or if brush
material is at or near minimum length.
1 Damaged Brushes
New Length: 1-1/4 in (32 mm)
Minimum Length:
5/8 in (16 mm)
Replace
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