Massey Ferguson A.53.2A: External Hydraulic Valve 5 Issue

Indicates a malfunction, electrical connection problem, or operational failure associated with the 5th external hydraulic remote valve (auxiliary spool valve) on the tractor.

• 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

   Inspect the wiring harness and electrical connector plugging into External Hydraulic Valve 5 for corrosion, bent pins, or frayed wires

2. 2

   Verify that the tractor's hydraulic fluid is at the correct level and free of heavy contamination that could stick a spool valve

3. 3

   Inspect the #5 spool valve on the rear remote stack for physical damage, severe fluid leaks, or a broken flow control screw

1. 1

   Relieve Pressure

   Turn off the tractor and actuate the hydraulic levers/controls to relieve all residual hydraulic pressure in the system before servicing.

2. 2

   Disconnect Wiring

   Locate External Hydraulic Valve 5 on the rear auxiliary valve stack. Disconnect its electrical connector. Clean the contacts with electrical contact cleaner; if the connector was just loose or dirty, reconnecting it may clear the code.

3. 3

   Remove the Valve

   If the valve is mechanically faulty or the solenoid has failed, unbolt the hydraulic lines connected to the #5 valve.

4. 4

   Unbolt from Stack

   Remove the mounting bolts holding the spool valve to the hydraulic block/stack.

5. 5

   Replace or Rebuild

   Install a new spool valve assembly, or if applicable, rebuild the current valve using an OEM repair kit (replacing internal O-rings and seals).

6. 6

   Reassembly

   Bolt the new valve into the stack, reconnect the hydraulic lines, and plug in the electrical connector.

7. 7

   Test

   Top off the hydraulic fluid, start the tractor, and test the #5 remote to ensure proper operation and that the A.53.2A code has cleared.