Red-D-Arc D502K 5+4, Technical Manual

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TM-4412 Page 50
D502K 5+4
10-11. Replacing Brushes And Cleaning Slip Rings
803 209
Y
Stop engine.
1 Auxiliary Power Panel
Remove screws from panel. Tilt
panel forward.
2 Spring Clip
3 Brush
4 Brush Holder Assembly
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 Slip Rings
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.
Tools Needed:
1
Damaged Brushes
2
4
3
New Length: 1-1/4 in (32 mm)
Minimum Length:
5/8 in (16 mm)
5
Replace