Massey Ferguson B.02.22 – Implement/Hydraulic Control Module: Issue With Calibration OF Valves

The control module has detected an issue with the calibration parameters of the electro-hydraulic proportional valves. The ECU does not have the correct baseline voltage/current limits to smoothly operate the solenoid valves, resulting in jerky movements, delayed engagement, or a complete lack of response from the affected hydraulic circuit.

• 5710SL
• 5711SL
• 5712SL
• 5713SL
• T4
• 4700 Series (4707, 4708, 4709, 4710)
• 5600 / 5700SL Series
• 6100 / 6400 / 6700S Series
• 7600 / 7700 Series (7614-7626, 7714-7726)

1. 1

   Fluid Temperature: Ensure the transmission/hydraulic oil temperature is between 35°C (95°F) and 45°C (113°F).

2. 2

   Electrical Connections: Inspect the wiring harnesses and connectors going to the mid-mount loader electro-valves and the transmission shuttle valves for corrosion, moisture, or loose pins.

3. 3

   Potentiometer Voltage: Check the voltage on the shuttle position potentiometer or the loader joystick.

4. 4

   Hydraulic Filters: Ensure the hydraulic/transmission filters are not blocked.

1. 1

   Position tractor

   Position the tractor on flat ground and apply the parking brake.

2. 2

   Warm up oil

   Warm up the transmission oil to 35°C–45°C (engaging the PTO can help speed this up).

3. 3

   Cycle lever

   Cycle the PowerShuttle lever (forward and reverse) 10 times in each direction for 5–10 seconds to warm up the control units and solenoid valves.

4. 4

   Configure settings

   On the dash, configure the PowerShuttle progressivity settings (forward, reverse, and ratio shifting sensitivity) all to '0'.

5. 5

   Prepare for calibration

   Disengage the PTO, place the tractor in neutral, and raise the engine speed to approximately 1500 RPM.

6. 6

   Initiate calibration mode

   Raise the PowerShuttle arm to the 'up' position and hold it there while simultaneously pressing the differential lock switch for about 10 seconds, until the right-hand dash screen displays 'Ct'.

7. 7

   Begin calibration

   Place the PowerShuttle arm into the forward position to begin the calibration. The screen will continuously show 'Ct' for about 10 minutes while the transmission shifts and valves actuate.

8. 8

   Verify completion

   Once complete, the screen will display the last gear ratio (e.g., 1A/2A).

9. 9

   Save settings

   To save the settings, place the shuttle in neutral, disengage the diff lock, idle the tractor down, and turn the engine off.

10. 10

    Navigate terminal

    For Remote Valve / Loader Calibration: Navigate to the 'Hydraulics' page on the Datatronic terminal (e.g., Datatronic 5).

11. 11

    Select flow settings

    Select the flow settings for the affected valve.

12. 12

    Reset valves

    Press the 'Sync' button to reset the valves to their baseline high-flow setting, then press 'OK' to save.

13. 13

    Calibrate joystick

    If the tractor has an electronic joystick, navigate to the joystick calibration menu in the onboard system and follow the prompts to reset the X and Y axis limits.