1205NT
Adjustments
26
3/7/19
150-131M
Seeding Rate
Refer to Figure 20
Calibrating the seeding rate requires four steps:
1. selecting one of four drive types,
2. setting the seed-rate handle,
3. positioning the feed-cup door, and
4. checking the seed rate.
Refer to the seed rate charts beginning on page 28.
These charts list the proper drive type and seed-rate-
handle settings for various seeds and seeding rates.
The seed rate charts are based on cleaned, untreated
seed of average size and test weight. The rates are
based on 295/75/R22.5 rib implement tires. Many
factors will affect seeding rates including foreign
material, seed treatment, seed size, field conditions,
tire pressure and test weight. Minor adjustments likely
will be needed. Set and check the seeding rate using
these procedures, then adjust the rate as necessary.
Select Drive Type
The gearbox is designed to give you a variety of drive
speeds for different types of seeds and rates. It is a
linear shift pattern design with constant mesh gearing
and totally sealed to keep the dirt out. No lubrication is
required unless service is needed.
The gearbox brass indicator plate is positioned so the
side with “1” is closest to the center of the drill.
To set the gearbox move the selector handle until the
desired drive type appears in the window on the
handle.
See Table 3 for gearbox ratios.
Set Seed Rate Handle
Refer to Figure 21
Position the seed rate handle to setting indicated on
seed rate chart. To adjust, loosen wing nut under
handle. Slide handle until indicator lines up with correct
setting.
Gearbox
selector
handle
Figure 20
Gearbox Handle Adjustment
Gearbox Ratios
Setting 2 is 2.06 Times Faster Than 1
Setting 3 is 3.08 Times Faster Than 1
Setting 4 is 5.03 Times Faster Than 1
Seed-rate
handle
Figure 21
Seed Rate Handle Adjustment