MacDon FD75 OM - Manual (Page 146)

OPERATION
Calibrating the Auto Header Height System (New Holland CR/CX Series)
For best performance of the Auto Header Height system, perform ground calibration with center-link adjusted as
long as possible. When calibration is complete, adjust the center-link back to desired header angle.
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.
Check the following conditions before starting the header calibration procedure:
• The header is attached to the combine.
• The combine is on level ground, with the header level to the ground.
• The header is on down stops and the center-link is back.
• The engine is running.
• The combine is not moving.
• No faults have been received from the Header Height Controller (HHC) module.
• Header/feeder is disengaged.
• Lateral flotation buttons are NOT pressed.
• ESC key is not pressed.
To calibrate the Auto Header Height System, follow
these steps:
1. On the combine display, select the calibration
sub-menu, and then press the “right arrow” navigation
key to enter the information box.
2. Select Header.
You can use the “up” and/or “down” navigation keys to
navigate through the list of items to calibrate.
Figure 4.190: Combine Display
3. Press ENTER. The calibration window opens. You are
now in Calibration mode.
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