Case IH 4162 – EHR (Electronic Hitch/Hydraulic Remote): Rear Remote No.5 - Spool Deflection Too Short

The internal spool of the #5 rear hydraulic remote valve is not traveling the expected distance when commanded by the system. This is typically caused by a mechanical internal fault (such as binding or a blockage restricting spool travel) or a defective internal position transducer/sensor failing to read the movement correctly.

• Maxxum
• Steiger T4B
• Magnum
• Case IH Magnum
• Case IH Steiger / STX
• Case IH Puma
• Case IH Maxxum

1. 1

   Check the #5 remote valve for physical binding, debris, or contamination in the hydraulic oil that could be physically restricting the spool's travel.

2. 2

   Check the internal position transducer (sensor) on the #5 remote valve for proper voltage and operation, as a defective sensor will falsely report short deflection.

3. 3

   Check for surging or erratic flow, especially if running continuous hydraulic motors (like a planter vacuum fan or air seeder), which can cause spool instability.

4. 4

   Verify that the EHR valve is receiving proper voltage and check for related under/over voltage codes (like 31 or 32) which will cause the valve to shut down.

1. 1

   Relieve Pressure

   Ensure the tractor is off, the implement is lowered to the ground, and all hydraulic pressure is relieved from the system before servicing the valve block.

2. 2

   Spool Replacement

   If the issue is tied to the known planter/vacuum motor surging issue, update the remote valve main spool to a modified version that features an additional small hydraulic oil bleed.

3. 3

   Valve Replacement

   If the valve has an internal mechanical fault or a defective internal position sensor that cannot be serviced separately, replace the entire EHR remote valve section for Remote No. 5.

4. 4

   Recalibration

   After replacing the spool or the EHR valve section, perform an electronic calibration of the hydraulic system using the tractor's display/H-Menu so the EHR module can learn the new spool travel limits.