MacDon FlexDraper FD75 - Calibrating Feeder House - John Deere S7 Series

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A
Figure 4.261: John Deere S7 Display –
Diagnostics Center
6. Select AHC - SENSING (A). The AHC -
SENSING\DIAGNOSTICS page appears.
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A
B
Figure 4.262: John Deere S7 Display – Checking Sensor
Voltage
7. Select SENSOR tab (A) to view the sensor voltages. Center
header height sensor voltage (B) must be between 0.5 and
4.5 V, with at least 3 V of variation between 0 and 4 on the
float indicator box.
8. If sensor voltage adjustment is required, refer to 4.4.2
Adjusting Voltage Limits, page 137.
4.18.3 Calibrating Feeder House – John Deere S7 Series
Feeder house calibration must be done before header calibration.
DANGER
Ensure that all bystanders have cleared the area.
NOTE:
Changes may have been made to the combine controls or the display since this document was published. Refer to the
combine operator’s manual for the most up-to-date information.
NOTE:
For the best performance of the auto header height control (AHHC) system, perform the ground calibration with the
center-link set to D. When calibration is complete, adjust the center-link back to the desired header angle. For instructions,
refer to Adjusting Header Angle from Combine, page 78.
1. Ensure the center-link is set to D.
2. Rest the header on the down stops and unlock the adapter float.
AUTO HEADER HEIGHT CONTROL