Calibrating Feeder House (John Deere S7 Series) - MacDon FlexDraper FD1 Series Operator's Manual

Combine header

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7. Select AHC - SENSING (A). The AHC - SENSING

\DIAGNOSTICS page displays.

8. Select SENSOR tab (A) to view sensor voltages. The

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.

If the optional Auto Lateral Tilt AHHC kit is installed, the

left and right header height sensors must also be in the

same 0.5–4.5 V range.

9. If sensor voltage adjustment is required, refer to

Adjusting Voltage Limits: One-Sensor System, page

Calibrating Feeder House (John Deere S7 Series)

Feeder house calibration must be done before header calibration.

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. For instructions, refer to

Adjusting Header Angle from Combine, page

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.

1. Ensure center-link is set to D.

2. Rest header on down stops and unlock float.

3. Place wings in locked position.

Figure 3.400: John Deere S7 Display –

Diagnostics Center

Figure 3.401: John Deere S7 Display – Checking

Sensor Voltage