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OPERATION
Micro-Meter and Large Meter
Box - 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 3-12.
Figure 3-12: Adjustment Wrenches
Seed Rate Charts specific to the Seed Metering System
are located inside the Seed Box Cover and in this manual.
See Figures 3-19 and 3-21.
It should be used as a general guide only. Because of
seed variation, a more accurate rate can be determined
by performing a seed rate calibration for that specific
Seed Box. See "Micro-Meter Box Calibration for
Unlisted Seeds" on page 3-9 and "Large Meter Box
Calibration for Unlisted Seeds" on page 3-11.
3-8
TABLE OF CONTENTS
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 Figures 3-13 and 3-14.
Claibration Crank
Assembly
Wrench
DO NOT Loosen or Adjust the Hex Collar and the
1/2-13 Locknut . See Figures 3-13 and 3-14.
1. To increase the rate of seeding, loosen the 1-8 Nut
Toolbox
2. To decrease the rate of seeding, loosen the 1-8 Nut
Seed Meters discharge to the front of the machine to aid
the operator in determining proper operation. Pinwheels
on the RH end of the Seed Shafts aid the operator in
identifying Seed Shaft rotation.
Seed Rate
Adjusting Nut
Pinwheel
DO NOT
Loosen or Adjust
Hex Collar
"0"
Adjusting
Screw
Bearing
Figure 3-13: Micro-Meter Box Seed Rate Adjustment
Adjusting
Screw
Bearing
Pinwheel
"0"
DO NOT
Loosen or Adjust
1/2-13 Locknut
Seed Rate
Adjusting Nut
Figure 3-14: Large Meter Box Seed Rate Adjustment
IMPORTANT
and Seed Rate Adjusting Nut with the supplied
wrenches. Back the 1-8 Nut away from the Bearing.
Set the Seed Rate Adjusting Nut appropriate letter
with the Adjusting Screw corresponding number for
the desired Seed Rate. Tighten the 1-8 Nut up to the
Bearing.
and Seed Rate Adjusting Nut with supplied wrenches.
Set the Seed Rate Adjusting Nut appropriate letter
with the Adjusting Screw corresponding number for
the desired Seed Rate. Tighten the 1-8 Nut up to the
Bearing.
1-8 Nut
DO NOT
Loosen or Adjust
Hex Collar
Micro-Meter
Seed Shaft
DO NOT
Loosen or Adjust
1/2-13 Locknut
Large Meter
Seed Shaft
1-8 Nut
F-1097-2305
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