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MAINTENANCE
Seed Meter Adjustment
IMPORTANT
The Clutch must be disengaged when Seed Shafts
are turned manually for Calibration.
IMPORTANT
All the Seed Meters MUST BE CLOSED!
All Seed Meters must be set the same to ensure seeding
uniformity. To check, set the Seed Rate Adjusting Nut to
0-A. The "A" on the Seed Rate Adjusting Nut is
positioned over the "0" (the nut covers half of the"0") and
snug against the Bearing. See Figures 5-6 and 5-7.
Adjusting
DO NOT
Loosen or Adjust
1/2-13 Locknut
1-8 Nut
Figure 5-6: Front Seed Box Rate Adjuster
Adjusting
Screw
DO NOT
Loosen or Adjust
1/2-13 Locknut
1-8 Nut
Figure 5-7: Rear Seed Box Rate Adjuster
All Seed Meters should be closed. Seed Meter Feed
Shutoff against Seed Meter Cup Star Washer in Seed
Meter Cup. See Figure 5-8. If not, there are three
adjustments to make as needed.
5-8
Screw
DO NOT
Loosen or Adjust
1/2-13 Locknut
Seed Shaft
Seed Rate
Adjusting Nut
Bearing
DO NOT
Loosen or Adjust
1/2-13 Locknut
Seed
Shaft
Seed Rate
Adjusting Nut
Bearing
SL2 OpSeedRateAdjRearBox
Seed Meter
Cup
Figure 5-8: Seed Meter Feed Shutoff
IMPORTANT
Ensure that the Seed Shaft can turn freely without
any binding when the Seed Meters are open or
closed after servicing. Seed Box with Large Seed
Meters you may need to make adjustments to the
Seed Meter Supports at each Seed Meter Cup. See
Figure 5-9.
Seed Meter
Support
Flange Bolt
Figure 5-9: Seed Meter Supports
1. 1/2-13 Locknuts on both ends of the Adjusting Screw
are used to adjust all Seed Meters the same amount.
See Figures 5-6 and 5-7. To adjust Seed Meters to
be closed at "0A", loosen 1/2-13 Locknuts and set
Adjusting Screw to "0A". Slide Seed Shaft to close all
Seed Meters. Tighten 1/2-13 Locknuts against
Adjusting Screw.
2. Front Seed Box: Adjusting the LH and RH Seed
Shafts where they join changes Seed Meters on the
left Seed Box in comparison with Seed Meters on the
right Seed Box. Remove Seed Shaft Coupling that
clamps the left and right Seed Shafts together. Turn
RH Seed Shaft threading it in or out as needed to
equalize Seed Meters. Re-Install Seed Shaft
Coupling where the RH and LH Seed Shafts come
together. See Figure 5-10.
Feed Roll
Seed Meter Cup
Star Washer
Seed
Meter Cup
9K998-0522
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