Massey Ferguson A.60.26: External Hydraulic Valve 6 Issue

This code indicates a fault with the 6th external hydraulic remote valve (spool valve). It typically points to a connection problem, electrical fault (such as a solenoid failure), or a mechanical failure (such as a sticking valve or internal leak) preventing the valve from operating correctly and directing hydraulic fluid to the implement.

• 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

1. 1

   Isolate the Implement: Try the implement on another spool valve, or try a known-good implement on Valve 6. If the problem follows the implement, the tractor's valve is not the issue.

2. 2

   Inspect Quick-Release Couplers: Check the female couplers on Valve 6. Dirt, rust, worn tips, or damaged balls can prevent the coupler from opening fully, restricting flow and throwing a fault.

3. 3

   Check Fluid Condition: Inspect the hydraulic fluid. Old, dirty, or milky oil (water contamination) can cause directional valves to stick and fail.

4. 4

   Inspect for Leaks and Damage: Look for fluid leaks around the valve body, which indicate worn seals or loose connections.

5. 5

   Check Electrical Connections: Inspect the wiring harness and solenoid connector at Valve 6 for corrosion, loose pins, or broken wires, which commonly cause connection faults.

1. 1

   Relieve Pressure

   Lower all implements to the ground, turn off the tractor, and cycle the hydraulic controls to relieve all trapped pressure in the system.

2. 2

   Clean the Area

   Thoroughly clean the area around the rear remote valves to prevent dirt from entering the hydraulic system during disassembly.

3. 3

   Disconnect Lines

   Disconnect the hydraulic hoses and the electrical solenoid connector from External Valve 6.

4. 4

   Remove the Valve

   Unbolt the valve section from the hydraulic valve stack or lift cover.

5. 5

   Install New Valve/Seals

   If rebuilding, replace the internal O-rings and seals. If replacing, bolt the new valve section into the stack, ensuring all mating surfaces are clean and new O-rings are used between sections.

6. 6

   Reconnect and Fill

   Reconnect the hydraulic lines and electrical harness. Check the hydraulic fluid level and top off with the correct UTTO (Universal Tractor Transmission Oil).

7. 7

   Test

   Start the tractor, allow the fluid to warm up, and operate Valve 6 to bleed any trapped air. Check for leaks and verify the fault code has cleared.