26
MAINTENANCE
Track
Wear of external profile impacts track
performance directly. Important wear on profiles
means less traction. Replace track if you notice a
significant loss of performance. Verify internal
and external rolling path, profiles, and driving
lugs. Presence of tears, perforations or
delamination in these places can render the
Track system inoperable. Replace track to
prevent failure risks. See Figure 37.
CAUTION: Too much wear could cause damage to
the Wheels and to the Track guide.
Figure 37
Wheels (Ø202mm & Ø134mm)
Verify wear on wheels, especially on interior
guidance strip. Replace wheels also if rolling
band narrows to a width of 24 mm or less -- (29
mm when new). Figure 38.
CAUTION: A wheel that is excessively worn will
not offer enough support for track guidance.
Figure 38
Wheels (Ø134mm - narrow)
Verify wear also on narrow Ø134mm wheels
located on the inside of rear Track System units,
especially on interior guidance strip. Replace
wheels also if rolling band narrows to a width of
17 mm or less -- (20 mm when new). See Figure
39.
CAUTION: A wheel that is excessively worn will
not offer enough support for track guidance.
Figure 39
If internal plastic structure is visible (Figure 40-2) -
- (new wheel Figure 40-1), rubber coating is worn
away and wheel must be replaced. Figure 40.
Figure 40
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