New Holland 4555: Primary Hydraulic Power System - Mid-mount Remote Control Valve, Spool 4 Not in Neutral at Key On

The spool in the mid-mount remote control valve, identified as front remote no. 4, is not returning to the neutral position when the key is turned on. This may affect the proper operation of the hydraulic system.

1. 1

   The position of spool 4 in the mid-mount remote control valve

2. 2

   The mechanical linkage or actuation mechanism for spool 4

3. 3

   The electrical signal or control input to the mid-mount remote control valve

1. 1

   Inspect

   Visually inspect the spool 4 in the mid-mount remote control valve to confirm its position when the key is on.

2. 2

   Test

   Test the mechanical movement of spool 4 to ensure it can return to the neutral position without obstruction.

3. 3

   Check

   Check the electrical connections and control signals to the mid-mount remote control valve for proper operation.