Calibrating Feeder House Speed (John Deere 70 Series); Calibrating Auto Header Height Control (John Deere 70 Series) - MacDon FFT FD75 Assembly Instructions Manual

Calibrating Feeder House Speed (John Deere 70 Series)

The feeder house speed must be calibrated before you calibrate auto header height control (AHHC) system. Refer
to combine operator's manual for instructions.

Calibrating Auto Header Height Control (John Deere 70 Series)

For best performance of auto header height control (AHHC), perform these procedures with center-link set to D.
When setup and calibration are complete, adjust center-link back to desired header angle. Refer to Header Angle in
header operator's manual for instructions.
NOTE:
Changes may have been made to combine controls or display since this document was published. Refer to
combine operator's manual for updates.
CAUTION
Check to be sure all bystanders have cleared the area.
1. Ensure center-link is set to D.
2. Rest header on safety props and unlock adapter float.
3. Place wings in locked position.
4. Start combine.
5. Press button located fourth from left along top of
monitor (A) to select icon that resembles an open book
with a wrench on it (B).
6. Press top button (A) a second time to enter diagnostics
and calibration mode.
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SETTING UP AUTO HEADER HEIGHT CONTROL
Figure 5.158: John Deere Combine Display
214
Revision A