GREAT PLAINS NTA3007HD, Operator'S Manual

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Great Plains | 166-207M | 02/26/2019 Table of Contents Index 78
NTA907HD and NTA3007HD Table of Contents Index Adjustments
Refer to Figure 82
5. Insert calibration crank onto contact wheel shaft. See
“
Calibration Crank ” on page 56.
Rotate the calibration crank only in the:
CLOCKWISE direction on drill left, or;
COUNTERCLOCKWISE direction on drill right.
Operating in reverse can cause gearbox damage.
6. Turn the calibration crank enough turns to be sure
the meter flutes are full and the system is metering.
Obey manufacturer or grower recommendations for safety
equipment and protective gear when using treated seeds.
7. Wipe all material off the flanges around the meter
door.
8. Accurately weigh an empty container large enough
to catch material coming out of the meter. The
calibration bag supplied with your drill weighs 1.53 kg
(3.36 lbs).
Refer to Figure 83
9. Place container under open calibration door. If using
the calibration bag, loop bag handles over the door
handles and hook the bag to the front of the meter.
10. On the seed monitor terminal,
set the monitor to Calibration mode .
enter [ 5 ] for the “# Meter Revs”, and
press the
Start softkey .
This “# Meter Revs” parameter does not affect the
monitor calibration because the monitor counts
actual meter shaft revolutions and uses that count to
compute the Calibration Constant.
The “# Meter Revs” parameter is used for a progress
bar displayed during calibration.
Figure 82
Calibration Cranking, Left Side
29417
Figure 83
Calibration Bag
26402