Replacing Brushes And Cleaning Slip Rings - Red-D-Arc D502K 5+4 Technical Manual

10-11. Replacing Brushes And Cleaning Slip Rings

1
5
TM-4412 Page 50
4
Minimum Length:
5/8 in (16 mm)
New Length: 1-1/4 in (32 mm)
Replace
Damaged Brushes
Y Stop engine.
1
Remove screws from panel. Tilt
panel forward.
2
3
4
Squeeze end of spring clip to re-
move clip and brush from brush
holder assembly. Remove and in-
spect all three brushes.
Replace brushes if damaged, or if
brush is at or near minimum length.
5
Visually inspect slip rings. Under
normal use, rings turn dark brown.
If slip rings are corroded or surface
is uneven, insulate brush leads,
start engine, and clean rings with a
commutator stone. Remove as little
material as possible.
Reinstall auxiliary power panel.
Y Stop engine.
3
2
Auxiliary Power Panel
Spring Clip
Brush
Brush Holder Assembly
Slip Rings
Tools Needed:
803 209
D502K 5+4