214683 175 Revision A
Figure 3.268: Combine Heads-Up Display
4. Ensure header float is unlocked.
5. Press and hold button (A) on the heads-up display for 3 seconds to enter diagnostic mode.
6. Scroll down using button (B) until LEFT is displayed on the LCD screen.
7. Press the OK button (C). The number indicated on the LCD screen is the voltage reading from the sensor of the
AHHC. Raise and lower the header to see the full range of voltage readings.
Engaging the Auto Header Height Control (Gleaner R65/R66/R75/R76 and Pre-2016 S Series)
NOTE:
Changes may have been made to the combine controls or display since this document was published. Refer to the
combine operator’s manual for updates.
The following system components are required in order for the auto header height control (AHHC) to work:
• Main module (PCB board) and header driver module (PCB board) mounted in card box in fuse pane
module (FP).
• Multi-Function Control Handle operator inputs.
• Operator inputs mounted in the control console module (CC) panel.
NOTE:
In addition to the above components, the electrohydraulic header lift control valve also is an integral part of the
system.
OPERATION
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