Great Plains
| 401-647M | 2019-06-11
Table of Contents
Index
110
3PYPA
Table of Contents
Index
Maintenance and Lubrication
Steering Configuration Switch
This cab-mounted switch box controls both normal and
field calibration of the hydraulic steering system. It has
4 switches and 3 indicator lamps, that perform the
following functions.
Steering Control Module Function
Switch Positions and Indications
STEER Toggle Switch:
Steering System Power
On (up): Steering enabled (casters match or float)
Off (down): Steering disabled (casters in Float)
LED:
Power / Fault
On steady: Steering system active (casters match or float)
Blinking: Steering system fault (casters in Float)
FLOAT LED:
Float / Caster
Off: Normal operation - steering system active if STEER on
On: Casters in Float (if STEER LED is steady)
CALIBRATION Toggle Switch:
Calibration Modes
L: Caster aspect sensor (casters in Float)
C: Calibration mode off (normal transport/field mode)
R: Tractor aspect sensor (casters in Float)
LEARN Button:
Calibration (Learn)
First press: Learn tight Right turn
Next press: Learn Straight ahead
Next press: Learn tight Left turn
LED: Calibration
Off: Normal (non-Calibration) operation
Dim: Either Calibration mode selected
Bright Flash: Button
press acknowledged
Rotary Switch Knob
(ONLY APPLIES TO PLANTERS WITH
s/n )
Vertical position: Normal operation - steering system active while planting as
well as when raised
Horizontal position: Used when tractor is utilizing auto-steer -
planter
steering
system floats while planting - active only when
planter
is raised
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