Spread Pattern; Verifying Driving Centers - New Leader L4000G4 Manual

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Spread Pattern

Spread Pattern

Verifying Driving Centers

Once optimum driving centers (effective swath width) have been established, conduct a fi nal "S" pass over
the trays to verify. Refer to Figure 17.
1. With both the spinners and
conveyor turned off, drive the
spreader through the center
of the course, establishing
an "AB" line. If the spreader
vehicle is a three-wheel type,
remove the center pan.
2. Line the vehicle up with either
end of the row of collection
trays, at a distance from
the "AB" line equal to the
effective swath width.
3. With both the spinner and
conveyor engaged, drive past
the trays.
4. Switch back and drive over
the center of the trays, down
the "AB" line.
5. Drive through the row of trays
and switch back once again,
driving past the trays on the
opposite side, at an equal
distance from the "AB" line as
the fi rst pass.
If the driving centers were determined correctly, all trays should have a similar amount of material, showing
a near fl at profi le in the test tubes. If the trays near the center of the row contain more material than the
others, increase driving centers. If the trays near the center of the row contain less material, decrease
driving centers.
NOTE: If spreading a blend of materials, verify blend of all products is consistent across all tubes.
307074-AA-I
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OPTIMUM DRIVING CENTER
(EFFECTIVE SWATH WIDTH)
L120 L110 L100 L90 L80 L70 L60 L50 L40 L30 L20
4
75'
(11.3m)
3
106
AB
1
75'
(11.3m)
0 R20 R30 R40 R50 R60 R70 R80 R90 R100 R110 R120
OPTIMUM DRIVING CENTER
(EFFECTIVE SWATH WIDTH)
AB
Figure 17
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L4000G4
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