Changing From 38 cm (15 in.) To 76 cm (30 in.) Rows

1. TWO-POINT HITCH: Change hitch offset to center position. See ADJUSTING HITCH CROSSBAR-32R15 AND 24R15 ONLY in this section.

DRAWBAR HITCH: Change tractor drawbar to center position. See ADJUSTING TRACTOR DRAWBAR-32R15 AND 24R15 WITH DRAWBAR HITCH ONLY in Preparing Tractor section.

2. Remove seed from all row unit meters. See CLEANING OUT SEED HOPPERS AND METERING UNITS in Operating Machine section.

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3. Remove the vacuum hose (A) from a rear row unit meter. Insert provided plug (B) into meter vacuum port, and reinstall vacuum hose to meter. Repeat for all rear rank row units.


A-Hose
B-Plug

A50386

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4. Remove seed delivery hose (A) from a rear rank row unit meter. Insert provided plug (B) into meter inlet and reinstall seed delivery hose on meter. Repeat for all rear rank row units.


A-Hose
B-Plug

A51196

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5. Remove split-row cylinder lock (A) from storage location.


A-Split-Row cylinder Lock

A51030

38 cm (15 in.) Machine Shown

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6. Raise rear rank wing row units and install short split-row cylinder locks (A) in both right-wing and left-wing rockshaft cylinders. Lower row units onto cylinder locks.


A-Split-Row Cylinder Lock

A51031

38 cm (15 in.) Machine Shown

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7. Disengage meter drive on the five main frame rear rank row units. See DISENGAGING METER DRIVE in Operating Machine section. The drives for the rear rank wing row units disconnect automatically.

8. Release downforce on rear rank row units. If planter is equipped with heavy duty downforce, downforce needs to be released only on main frame rear rank row units.

A50389

Vacuum Meter Shown

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9. Remove row unit lock-up bar (A) from storage location on right-hand side of main frame.


A-Lock-Up Bar

A51036

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10. Place row unit lock-up latch (B) in position shown.

11. Lock row units up on rear rank main frame using lockup bar (A) as shown, or raise 3 pt. hitch and slowly lower frame until row units are at full length of travel. Raise machine, row units should be in locked position.


A-Lock-Up Bar
B-Lock-Up Latch

A51033
A51034

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12. Replace seed disks (vacuum meters only) or the entire meter (mechanical meters only) on front rank rows.

13. Set transmission to desired seed rate.

NOTE: See your SEEDSTAR ™ Generation 2 and Variable Rate Fertilizer or 150,250,350 COMPUTER TRAK ™ Operator's Manual.

14. Reprogram monitor:

  • Change row spacing to 76 cm (30 in.).
  • Make sure implement width is correct.
  • Change target population and high/low warning limits.

15. Reset vacuum level.

16. Make necessary adjustments to the front rank row units for correct seed placement and seed trench closing.

17. Adjust marker to correct length for desired row spacing. See ADJUSTING MARKER LENGTH in this section.

A50391

Seed Disk

A50392

Mechanical Meter

SEEDSTAR is a trademark of Deere & Company
COMPUTER TRAK is a trademark of Deere & Company

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