Tracker and SAS Placement
Topcon Paver System Five Operator’s Manual
6-18
In some applications, a grade reference outside the screed extension
may not be in satisfactory condition, such as the shoulder of a road
or the broken and warped edge of pavement. Traditionally, the
screedman would manually adjust mat thickness on that side of the
paver. The non-contacting SAS can be set up over the screed so full
automation can be used. The first three trackers will reference the
existing grade and the back tracker will reference the mat just laid
(Figure 6-23).
Figure 6-23. SAS Setup when Screed Extension is Unsatisfactory
When paving with the screed extensions out, there may be a large
“head of material” which could be picked up by the Sonic Tracker.
If this happens, determine how far forward the tracker must be
placed on the beam to not pickup the mix and drill a new mounting
hold for the tracker hanger (Figure 6-24 on page 6-19). The SAS
coil cable will easily reach the tracker.
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