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Seed Rate Adjustment
WARNING
• To prevent damage to the seed meters, Do not
apply excessive force to the adjusting nuts.
Failure to do so may result in the seed being
pinched between the cut-off and washer inside
the seed cup.
• Do not close the meters more than 1/8" when
there is seed in the meters without rotating the
seed shaft. This prevents damage to the rotating
washers and retainer rings in the seed meters.
• Do not attempt to open meters more than 1".
(Feed rolls could become disengaged from
washer in the seed cup.)
NOTE
To avoid Seed Meter damage, if there is seed in the
meters, decrease rate in small increments. Decrease rate
no more than one nut revolution and rotate Seed Shaft to
purge seed from meters. Continue adjustment as needed.
Before filling with seed be sure Seed Shaft turns freely
and Seed Meters are free of any foreign matter.
Wrenches for adjustment and the Calibration Crank
Assembly are stored in the toolbox. See Figure 3-9.
Figure 3-9: Adjustment Wrenches
3-8
TABLE OF CONTENTS
IMPORTANT
The Clutch if equipped must be disengaged (power
off) when Seed Shafts are turned manually for
Calibration.
If Seeder is not equipped with a Clutch, remove Chain
from Speed Reducer to Transmission Shaft. This
allows Seed Shaft to rotate independently from Front
Roller. See Figure 3-12.
The Seed Rate Chart is located inside the Seed Box
Cover and in this manual. See Figure 3-11. It should be
used as a general guide only. Because of seed variation,
a more accurate rate can be determined by turning the
3/4" Hex on the Transmission to Calibrate the Seeder.
See "Calibration for Unlisted Seeds" on page 3-10.
On the right side, the Seed Rate for the Seed Meters can
be set by adjusting the Seed Rate Adjusting Nut and
Adjusting Screw. See Figure 3-10.
IMPORTANT
Do not Loosen or Adjust the Hex Nuts with Set
Screws.
Calibration Crank
Assembly
Wrenches
1. To increase the rate of seeding, loosen the 1-8 Nut on
2. To decrease the rate of seeding, loosen the Seed
Pinwheel at the RH end of the Seed Shaft and Reflective
Amber Decals on the Seed Shaft aid the operator in
identifying Seed Shaft rotation.
Seed Rate
Adjusting Nut
Bearing
Seedshaft
DO NOT
Loosen or Adjust
Hex Nut
1-8 Nut
Figure 3-10: Seed Rate Adjustment
the inside of the Bearing and turn the Seed Rate
Adjusting Nut to the desired setting, then tighten the
1-8 Nut using supplied wrenches.
Rate Adjusting Nut and set it to the new desired
position, then tighten the 1-8 Nut using supplied
wrenches.
DO NOT
Loosen or Adjust
Hex Nut
Adjusting
Screw
Pinwheel
F-1021-0422
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