Massey Ferguson A.3X.23 – Autotronic 5 (AUTO5): External Hydraulic Valve 3 Issue

Indicates an electrical, communication, or mechanical fault with the 3rd electrohydraulic spool valve (often referred to as the electric spool slice).

• 5710SL
• 5711SL
• 5712SL
• 5713SL
• T4
• 4707
• 4708
• 4709
• 4710
• 5608
• 5609
• 5610
• 5611
• 5612
• 5613
• 6445 through 6499
• 6613 through 6616
• 7465 through 7495
• 7614 through 7626
• 7714 through 7726

1. 1

   Visual LED Check: Look at the LED indicator on the electronic valve itself. The LED should be solid red when receiving power and turn green when receiving input to move. If the LED is flashing, it indicates a fault.

2. 2

   Dashboard/Terminal Check: Access the Autotronic 5 error codes directly from the cab by turning the key on, pushing the clutch in and releasing it to clear the right screen, then holding down the up arrow key to view DC and TC error codes.

3. 3

   Mechanical Check: Ensure the external linkage and valves are returning to their center positions.

4. 4

   Wintest Software: If available, connect the Wintest diagnostic software to read the active/requested values and confirm if the Autotronic 5 module is communicating with the valve.

1. 1

   Relieve hydraulic pressure (Mechanical wear)

   If replacing spool valve detents due to mechanical wear, relieve all hydraulic pressure from the system.

2. 2

   Remove end caps

   Remove the end caps on the spool valve to access the detents.

3. 3

   Replace detents

   Replace the worn detents with modified replacement detents.

4. 4

   Reassemble and test

   Reassemble and test for proper centering.

5. 5

   Relieve hydraulic pressure (Electrical/Internal failure)

   If replacing the electric spool slice due to electrical or internal failure, relieve all hydraulic pressure from the tractor.

6. 6

   Disconnect electrical connector

   Disconnect the 4-pin electrical connector from the faulty spool valve.

7. 7

   Unbolt electric spool slice

   Unbolt the faulty electric spool slice from the main hydraulic valve block stack.

8. 8

   Install new electric spool slice

   Install the new electric spool slice, ensuring all O-rings are properly seated.

9. 9

   Torque mounting bolts

   Torque the mounting bolts to the manufacturer's specification.

10. 10

    Reconnect electrical connector

    Reconnect the 4-pin electrical connector.

11. 11

    Program/calibrate new spool slice

    The new electric spool slice must be programmed/calibrated to the tractor's Autotronic 5 system using the dealer Wintest software before it will function correctly.