A.2X.18

Massey Ferguson A.2X.18 – Mid Mount Valve Module: External Hydraulic Valve 2 Issue

Issue description

A malfunction within the second external hydraulic remote valve (spool valve) circuit. This is frequently tied to an issue with the spool position sensor value, a loss of communication, or a calibration failure.

Applies to these machines

  • 5710SL
  • 5711SL
  • 5712SL
  • 5713SL
  • T4
  • 4707
  • 4708
  • 4709
  • 4710
  • 5608
  • 5609
  • 5610
  • 5611
  • 5612
  • 5613
  • 7614
  • 7615
  • 7616
  • 7618
  • 7619
  • 7620
  • 7622
  • 7624
  • 7626
  • 7714
  • 7715
  • 7715S
  • 7716
  • 7716S
  • 7718
  • 7718S
  • 7719
  • 7720
  • 7720S
  • 7722
  • 7722S
  • 7724
  • 7724S
  • 7726
  • 7726S

Check the cause

  1. Inspect wiring and connections at the hydraulic valve harness for pushed pins, corrosion, or chafing

  2. Verify CAN communication integrity between the Dash and the Mid Mount Valve Module

  3. Check the spool position sensor values using a diagnostic tool to see if they are erratic or out-of-range

Repair steps

  1. Inspect the Harness

    Visually inspect the wiring harness leading to External Hydraulic Valve 2. Clean the connectors and check for pushed pins, corrosion, or wire chafing.

  2. Test the Sensor/Valve

    If the wiring is intact, use a Massey Ferguson compatible diagnostic tool to monitor the live data for External Valve 2's spool position sensor.

  3. Replace Faulty Components

    If the sensor is dead or the electric spool slice has failed internally, replace the spool position sensor or the complete electric spool slice assembly.

  4. Recalibrate

    After replacing the valve or sensor, you must perform a hydraulic valve calibration. Note: Replacement electric spool slices must be programmed to the tractor.

Parts you might need

(4)
  • Electric Spool Slice (Complete Unit)

    3797234M6

    Alternate/superseded numbers: 3797234M5, 3797234M4, 3797234M3, 3796930M12. Fitment note: This unit needs to be programmed to the tractor upon installation.

  • Pilot Pressure Control for Electric Spool Valve

    R917008801
  • Spool Valve Quick Release Coupling

    4305831M1

    Alternate part number: 4305831M3

  • Spool Position Sensor

    Specific OEM part number not provided in search results; often integrated into the electric spool slice.

Get help to fix this fault by requesting a quote

Browse other Massey Ferguson codes