Great Plains 1006NT Material Rate - Manual (Page 26)

Great Plains Mfg., Inc.
24
150-287B 04/20/2007
Seeding Brome Grass with Native Grass Box
The calibration for seeding Brome Grass differs from
the native Grass Mix calibration. The chart provides an
initial (pre-calibration) value in pounds per acre.
To adjust seeding rate:
1. Find the desired pounds per acre on the Brome
Grass Rate Chart (page 26).
Refer to Figure 14
2. Determine which Driven sprocket is required for
brome grass. The sprockets are stored on the
right-hand side of the drill frame.
To change sprockets, loosen the chain idlers .
Replace with desired sprocket .
Refer to Figure 13
3. Move gearbox selector handle to desired drive
type.
Checking Seed Rate
4. Record weight of an empty container large enough
to hold seed metered for one acre.
5. Fill three or more compartments at least 1/2 full of
seed at the outboard end of the box. Pull seed
tubes off the openers under the compartments.
6. To calibrate, use right-hand gauge wheel or sup-
plied calibration crank.
7. To calibrate using right-hand gauge wheel, lower
the drill hydraulically to planting position to activate
clutch. Raise right drive wheel tire off the ground
using a jack. Engage the gauge wheel lockout on
the right-hand side.
Refer to Figure 15
8. To calibrate using calibration crank, attach calibra-
tion crank to coupler on right-hand side of gauge
wheel jackshaft using retaining pin.
9. Turn gauge wheel or crank several times to fill
seed cups with seed. Continue to turn wheel or
calibration crank until seed falls to the ground from
each cup.
10. Place empty container under the three seed tubes
to gather seed as it is metered.
Figure 13
Brome: Drive Type
20484
1
3
2
1
2
1
Figure 14
Brome: Sprocket Storage
20483
3
Figure 15
Brome: Calibration Crank
23386