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5
Figure 5
Figure 6
4.2 Measuring Headwear
Headwear is the deterioration of the top of the profile as a result of
the friction between moving wheel and the rail.
To measure headwear, again ensure the gauge is fully in contact
with the rail, please push the knob or the sliding mechanism
directly and not the body of the gauge as this can cause the gauge
lockup, then the vertical headwear slide can be adjusted until the
measuring pin is touching the top of the rail. The headwear scale
on the side of the gauge will display the measurement for that
position.
Headwear is also displayed in mm worn since the rail was new.
5200-1 Issue 04
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