Active Header Float (Optional) - Rigid Platforms

Active Header Float system allows the operator to select the ground pressure of a rigid head maintaining a constant feeder house lift cylinder pressure and return to that pressure automatically. It uses sensors to measure the pressure of the header lift cylinders. The accuracy of the system is greatly affected by accumulator precharge and accumulator shut off valve settings.

Active Header Float system must be calibrated when the header is used with the combine for the first time (see Calibration Procedures section).

Activation buttons 1, 2 and 3 on multifunction control handle are used to select three different header pressures.

Control Systems Activation Button 1 Activation Button 2 Activation Button 3
Height Resume Height Resume Height Resume Height Resume
Height Sensing Height Sensing Height Sensing Height Sensing
HYDRAFLEX HYDRAFLEX HYDRAFLEX HYDRAFLEX
Active Header Float Active Header Float Active Header Float Active Header Float
Height Resume / Height Sensing Height Resume Height Sensing Height Sensing
Height Resume / HYDRAFLEX Height Resume HYDRAFLEX HYDRAFLEX
Height Resume / Active Header Float Height Resume Height Resume Active Header Float
Height Resume Height Sensing / Active Header Float Height Resume Height Sensing Active Header Float
Height Sensing / Active Header Float Height Sensing Height Sensing Active Header Float

 
H75003
H75749


1-Activation Button
2-Activation Button
3-Activation Button

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Operation

Active Header Float will be active when:

  • Engine is running
  • Road transport disconnect switch is in field position
  • Active Header Float mode is enabled
  • Active Header Float system is activated
  • Header is engaged

The system is enabled by pressing button (A) on the display. Symbol (B) will appear on the display.

Activate Header Float by pressing activation buttons 1, 2 or 3 on the multifunction control handle. Arrow symbols (C) indicate that system is active.

Number (D) in the lower left corner of the display indicates which activation button was selected.

To change the Active Header Float pressure setpoint (E) of the activation buttons, press the desired activation button and adjust the pressure using the active header control dial (F).

Turn dial towards the plus (+) symbol to increase the cylinder lift pressure setpoint raising the header or towards the minus (-) symbol to decrease the cylinder lift pressure setpoint lowering the header.

Bar graph (G) and numeric display (H) show the lift cylinder pressure. Units are kPa for metric system and psi for English system.

Manually raising Active Header Float using header raise/lower switch (I) will deactivate the system.

Pressing any of the activation buttons will reactivate the system. Header will move to the selected pressure.

The system can be disabled by pressing button (A) on the display.

NOTE: While moving throughout the field, the sensor measures the pressure of the header lift cylinders. The system actuates the header raise/lower solenoid valve to maintain the setpoint pressure.

H74808


A-Active Header Float Button
B-Active Header Float Pressure Symbol
C-System Active Arrows
D-Display Number
E-Pressure Setpoint
F-Active Header Height Control Dial
G-Bar Graph
H-Number (pressure)
I-Header Raise/Lower Switch

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