Replacing Brushes And Cleaning Slip Rings - Miller Electric Legend AEAD-200LE Technical Manual

6-15. Replacing Brushes And Cleaning Slip Rings

A. Checking Brushes And Cleaning Slip Rings
Tools Needed:
1/2 in
TM-428 Page 30
2
5
3
4
1
5/16 in. (8 mm)
Minimum Length
Replace
Damaged Brushes
9/16 in. (14.3 mm)
New Length
Stop engine and allow to cool.
1 Brush Holder Retaining Bar
2 Brush Holder Bracket
Remove brush holder bracket.
Keep hardware for reinstallation.
3 Brush Holder
4 Brush With Spring
5 Brush Holder Cap
Mark and disconnect leads at
caps, and remove brushes from
bracket.
Replace brushes if damaged, or if
brush is at or near minimum length.
6 Slip Rings
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. Stop en-
gine.
Install brushes, bracket, and re-
maining generator parts. Adjust
brushes as shown in Section B.
Reinstall both side panels and top
cover.
ST-800 698-A / Ref. ST-115 942-F / S-0233-A
Miller Legend