50
Section 6: Native Seed Rate Adjustment
NTS2507, NTS2509, & NTS2511 No-Till Seeder 313-629M
3/6/18
Native Seed High/Low Range Set-up
The native seed drive is associated with low range
sprocket only. If speed change sprocket is set for high
range operation, rearrange sprocket so that the 19 tooth
sprocket is located behind the 35 tooth sprocket. For
detailed instructions, Refer to
Native Seed Rate Adjustment
The setting should be
INCREASED
f or lighter than
average seed and
DECREASED
for heavier than
average seed.
1.
Raise the seeder and support it in a safe manner so
that the drive roller assembly will rotate freely.
2.
Partition off the outer end of the box so that seed can
be placed only over three discharge openings.
Drive Sprocket Location & Storage Placement
Figure 6-1
Refer to Figure 6-1 and Native Seed Rate Chart on
page 51:
3.
To adjust your seeding rate, first find the desired
pounds/acre or kilograms per hectare on the
on page 51. Determine which
drive sprocket and proper gearbox drive type 1, 2, 3,
or 4 are required. Change drive sprocket and set
drive type as follows:
a. Loosen chain idler nut and remove drive chain
from drive sprocket.
b. Loosen the drive sprocket’s two set screws and
remove sprocket.
c. Replace drive sprocket with the selected drive
sprocket. (Sprockets are stored in front of and
above the gearbox.)
Chain Idler Nut
Drive Sprocket Storage
15T Drive Sprocket
19T Drive Sprocket
27T Drive Sprocket
33T Drive
Sprocket
Gearbox Drive
Handle
39472
Gearbox Drive Type
Number Setting
Section 6: Native Seed Rate Adjustment
d. Reinstall drive chain and adjust chain take-up.
Refer to
“Native Grass Seed Gearbox Drive
on page 54 for detailed instructions.
e. Set gearbox drive handle to the proper drive type.
4.
Refer to
Engage native
seeds with lock in/out pin (#2). If applicable,
disengage small seeds with lock in/out pin (#5) and
grass seeds with lock in/out pin (#3 or #4).
5.
Rotate drive roller assembly to verify that the drive
system is working properly and that the discharge
openings are free from foreign matter.
6.
Place a container under the three discharge
openings to gather all the seeds as they are metered.
7.
Rotate rear roller the number of rotations noted in the
table above. Check the three cups to make sure each
cup has plenty of seed coming into it.
a. Weigh the seed which has been metered out and
divide that weight by three to get the number of
pounds or kilograms per seed cup.
b. Next, multiply number of pounds or kilograms per
seed cup by the number of seed cups on the
native seedbox to arrive at weight “A”.
c. If Weight “A” is calculated based on:
1/10 acre, then “A” x 10 = lbs/acre
1000 sq ft, then “A” x 43.56 = lbs/acre
1/20 hectare, then “A” x 20 = kgs/hectare
100 sq meters, then “A” x 100 = kgs/hectare
d. If calculated grass seed rate is different than the
suggested settings in the chart, then change
gearbox drive number and/or drive sprocket
accordingly.
8.
You may want to repeat calibration procedure if the
results of your calibration vary greatly from the
suggested settings in the chart.
Model
No
No. of Rear Roller Rotations to Cover
1/10
Acre
1000 Sq.
Ft.
1/20
Hectare
100
Sq. M
NTS2507
255
57
315
61
NTS2509
211 48
260
52
NTS2511
162 37
200
40
NOTE:
If total weight for 3 seed cups is in
ounces, divide that weight by 48 instead of 3.