CABLE TIE
BRUSHES
FIGURE F.6 – BRUSH REMOVAL AND REPLACEMENT
BRUSH AND SLIP RING SERVICE PROCEDURE (continued)
9. Check for evidence of sticking brushes.
Sticking brushes will normally result in the slip
rings being pitted and discolored from exces-
sive arcing. Another sign of sticking brushes is
instability or loss of both weld and auxiliary out-
put, but the machine may also begin to work
properly for a short time after being jarred or
moved.
10. If there is any evidence that the brushes may
have been sticking in the brush holders, a new
brush holder and brush assembly should be
installed.
Cleaning Slip Rings
1. In the event that the slip rings have become
dirty, discolored or mildly pitted, it will become
necessary to clean them using very fine 500 or
600 grit emery cloth or a 220 or 320 grit com-
mutator stone.
2. Use low-pressure compressed air to thoroughly
blow the carbon, commutator stone and sand-
paper dust from the machine before operating.
3. To install the brush holder assembly, push the
brushes into the brush holder assembly and
place a plastic cable tie through the holes pro-
vided. See Figure F.6.
4. Slide the brush holder assembly back into the
generator and secure with the two screws
removed earlier. Reattach the leads and
remove the cable tie. Replace the plastic gen-
erator cover.
TROUBLESHOOTING AND REPAIR
F-21
F-21
OUTBACK® 185
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