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Great Plains
| 411-332M | 2019-02-19
58
3P3025AH
Adjustments
Front Seeding Switch Adjustment,
Hydraulic Drive Row Units Without Lift
Assist
The seeding switch
signals the planter monitor when
the planter is lowered for planting. If the planter has
hydraulic drive for the row units, the seeding switch also
activates the hydraulic drive.
Great Plains recommends adjusting the seeding switch
for your exact field conditions and planting depth.
Check the seeding switch seasonally thereafter, or
when planting conditions change. Also perform this
adjustment if the seeding switch is replaced or
dislodged.
The switch bracket
uses a magnet
for mounting.
The seeding switch must be mounted where the toggle
arm
is actuated by the lift arms on the tractor.
When installing, adjusting, or replacing the seeding
switch, make sure the cable exit
is at the bottom. If
the cable exit is at the top, moisture will accumulate in
the seeding switch, causing failure.
1. Put the planter in the field position.
2. Lower the planter to the height at which seed
delivery is to begin.
3. Apply the tractor parking brake, stop the engine, and
take the key with you.
4. Find a location where the switch bracket can be
mounted with the magnet. The toggle arm must be
actuated by the lift arms on the tractor while planting.
the toggle switch must be free of the lift arms when
the planter is raised by the 3-point arms.
5. Slide the switch bracket to move seeding switch up
or down. Adjust switch bracket so toggle arm just
makes contact with tractor 3-point lift arms.
6. Move the switch bracket down
1
/
4
inch (6.4 mm).
1
5
2
4
3
Figure 58
Seeding Switch
68092
1
2
3
4
5