Engaging The Auto Header Height Control (Challenger And Massey Ferguson) - MacDon FlexDraper FD1 Series Operator's Manual

7. Fully lower the combine feeder house (float module
should be fully separated from the header).
NOTE:
You may need to hold the HEADER DOWN switch for a
few seconds to ensure the 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. If the sensor voltage is not within the low and high limits, or if the range between the low and high limits is
insufficient, adjust the voltage limits. Refer to
Adjusting Voltage Limits: Two-Sensor System, page

Engaging the Auto Header Height Control (Challenger and Massey Ferguson)

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 panel
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 is an integral part of the system.
Engage the AHHC as follows:
1. Scroll through the header control options on the
combine display using the header control switch until
the AHHC icon (A) is displayed in the first message box.
The AHHC will adjust the header height in relation to
the ground according to the height setting and
sensitivity setting.
214683
OPERATION
Figure 3.253: Challenger Combine Display
Adjusting Voltage Limits: One-Sensor System, page 131
131.
A
Figure 3.254: Challenger Combine Display
168
or
Revision A