Engaging Auto Header Height Control (Challenger 6 Series) - MacDon FFT FD75 Assembly Instructions Manual

7. Fully lower combine feeder house (adapter should be
fully separated from header).
NOTE:
You may need to hold HEADER DOWN switch for a few
seconds to ensure feeder house is fully lowered.
8. Read voltage.
9. Raise header so cutterbar is 150 mm (6 in.) off the
ground.
10. Read voltage.
11. Adjust voltage limits (refer to
limits or if range between low and high limits is insufficient (refer to Table

Engaging Auto Header Height Control (Challenger 6 Series)

NOTE:
Changes may have been made to combine controls or display since this document was published. Refer to
combine operator's manual for updates.
The following system components are required in order for auto header height control (AHHC) to work:
• Main module (PCB board) and header driver module (PCB board) mounted in card box in fuse panel
module (FP)
• Multi-function control handle operator inputs
• Operator inputs mounted in control console module (CC) panel
NOTE:
In addition to above components, electro hydraulic header lift control valve is an integral part of system.
Engage AHHC as follows:
1. Scroll through header control options on combine
display using header control switch until AHHC icon is
displayed in first message box. The AHHC will adjust
header height in relation to ground according to height
setting and sensitivity setting.
214325
SETTING UP AUTO HEADER HEIGHT CONTROL
Adjusting Voltage Limits, page
161
Figure 5.51: Challenger Combine Display
142) if sensor voltage is not within low and high
5.1, page 140).
Figure 5.52: Challenger Combine Display
Revision A