JOHN DEERE 700FD (01) PDF Document

The initial steps for the JOHN DEERE 700FD Calibration Flowchart are:

1. Ensure that all software is up-to-date
2. Un-pin AHHC sensor arms and Remove the float arm lock-out brackets
3. Combine screens for the header calibration
4. See Troubleshooting or refer to the Calibrations section of the Operator’s Manual

This should fully calibrate the header for ON and OFF ground operations. No further effort in calibration sequences of locking out or pinning up sensor brackets should be required to run either mode or hybrid mode.

The Quick Reference Guide provides the following information for the JOHN DEERE 700FD-Flexible Draper:

• Refer to this guide for basic setup and adjustments, AHHC information, and cleaning instructions.
• S-Series information can also be found in this guide for 700FD related functions.

The HydraFlex™ Draper engagement angle is designed for optimum performance on your combine. It is recommended that the factory feeder house fore/aft tilt frame setting be used. If adjustments are desired, refer to your combine Operator’s Manual for proper instructions.

The system requirements for the Hydraulic Feeder House Fore/Aft Tilt Adjust are:

• Engine is running.
• Road transport disconnect button must be disengaged.
• Multi-function lever reconfigurable buttons are functionally assigned and unlocked (B).

To adjust the angle of the feeder house tilt frame:

1. Touch plus (+) or minus (-) symbol or rotate the selection dial.
2. Increase tilts feeder house tilt frame angle forward.
3. Decrease tilts feeder house tilt frame angle rearward.
4. Display shows operator adjustment settings.

Reconfigurable buttons (C) or (D) can be configured to control hydraulic fore/aft on the JOHN DEERE 700FD. To tilt the feeder house forward, push and hold the front of the switch (C) or (D). To tilt the feeder house rearward, push and hold the back of the switch (C) or (D).

Draper belt speed adjust allows the operator to increase or decrease the belt speed. The steps are:

1. Press the Header application button and select the belt speed section.
2. To increase or decrease the belt speed, touch the plus (+) or minus (-) symbol or rotate the selection dial.
3. Display shows the operator adjustment settings.

The Quick Side Belt Speed Reduction Switch allows the speed of the draper belt to automatically slow to a factory setpoint speed. The procedure is:

1. Press the side belt speed reduction button (A) on the multi-function lever.
2. Slow Speed Mode Engaged appears on the display and the draper belt speed automatically slows to the factory setpoint speed.
3. Pressing the belt speed reduction switch again or attempting to make manual belt speed adjustments while in slow speed mode automatically returns belt speed to the original speed set by the operator.

NOTE: If the original draper belt speed set by the operator is slower than the factory setpoint speed, the system will not engage and a diagnostic trouble code appears.

Critical: On the 730FD only, the idler belt tensioning bolt should be even with the outside shield.

Critical: Draper belt tension indicator must be in the position shown to ensure proper draper function in all conditions.

Recommended reel position is directly over the cutterbar, and only low enough so that the lower portion of the reel fingers engage the crop (not the tube). The Rule of Thumb is Out and Up!

Reel finger pitch is adjustable. Adjustment levers are at both ends of the reel. A more advanced finger pitch helps pick up downed crop. A less advanced pitch reduces the material wrapping on the reel.

With AHHC engaged, use the knob to adjust the header set point on the JOHN DEERE 700FD.

While operating in the flex mode, the knob adjusts the flex pressure set point. Higher pressure equals Less ground force.

While operating in rigid mode, the knob adjusts the height set point on the JOHN DEERE 700FD.

Press the Header application button, then select either the manual HydraFlex™ float pressure adjustment or the belt speed adjustment on the JOHN DEERE 700FD.

The three unique Active Header Height Control (AHHC) modes are:

• On-Ground (“flex mode”) – soybeans, lentils, chickpeas
• Off-Ground (“rigid mode”), auxiliary attachment – wheat, barley, oats, canola
• On-Ground and Off-Ground AHHC are selected. AHHC resume button 2 is Off-Ground, AHHC resume button 3 is On-Ground (“hybrid mode”)

For on-ground mode, lockout brackets (A) must be removed. Ensure that only the lockout bracket cross-bolt is removed when unlocking the float arms. The second float arm stop bolt (B) is critical for function (Do Not Remove).

When using off-ground mode with the ground-engaging sensor arms unpinned, ensure that grease has been added to the sensor arm pivot shaft and that the sensor arm rotates freely.

With both On-Ground and Off-Ground sensing buttons turned ON, it’s possible to set the header activation button 2 on the multi-function lever for the Off-Ground header height sensing and header activation button 3 for On-Ground float pressure sensing.

Calibrating the feeder house speed and then the AHHC sensors is required to initially use the system. Calibration verifies that the AHHC sensors are set within the operating range. A failed calibration often means that a sensor is not set properly.

Operating range while harvesting of the AHHC sensor is 0.6 – 4.4 V. Sensor voltage readings can be viewed in LC1 Diagnostic Addresses – see the Calibrations section of the platform Operator’s Manual. It is highly recommended to set the sensors at 0.9 – 4.1 volts to ensure that the sensor does not shift out of the operating range.

If a header calibration fails due to Sensors out of range on the JOHN DEERE 700FD, common causes and solutions are:

• Sensors may not be adjusted properly: See Sensor Voltage Settings.
• Damaged wiring harness: Inspect the wiring harness leading to all the AHHC sensors.
• Broken sensor or components: Inspect sensors.

If sensors on the JOHN DEERE 700FD are seeing less than 1.2 V of range, the causes and solutions are:

• Broken sensor or components: Inspect sensors.
• Lock-out brackets still installed in the float arms.
• Off-ground sensor arm still pinned up.
• Off-ground sensor arm unable to fully rotate due to lack of lubrication: Add grease to the fitting on the float arm.
• Damaged wiring harness: Inspect the wiring harness leading to all the AHHC sensors.

If sensors on the JOHN DEERE 700FD are seeing too much voltage range, check if the float arm stop bolt was removed: Check the float arms for stop bolts.

IMPORTANT: Performing any header calibration may automatically enable all six header modes. It is recommended to revisit the header application Auto Header Controls screen and turn OFF the Feeder House Float mode, which does not utilize functionality of the AHHC system on the header for the JOHN DEERE 700FD.

The S-Series LC1 Addresses related to sensor voltages and flex pressure for the JOHN DEERE 700FD are: