Home » John Deere » 1025R » John Deere – 1023E, 1025R and 1026R – Remove and Install Selective Control Valve (SCV)

John Deere – 1023E, 1025R and 1026R – Remove and Install Selective Control Valve (SCV)

[1] – Park machine safely.

[2] – Operate SCV lever in all positions to relieve any hydraulic pressure. Lower any suspended attachments to ground so that no hydraulic pressure is released when disconnecting hydraulic lines.

[3] – Remove right fender. (See Remove Right Fender in Group 90, Section 20.)

[4] – Disconnect four hydraulic lines (A) from front of SCV.

[5] – Disconnect three hydraulic lines (B) from back of SCV.

[6] – Remove three cap screws (C) securing SCV to bracket.

[7] – Remove SCV with control linkage as an assembly.

[8] – Installation is the reverse of removal.
a. Replace all O-rings on SCV fittings.
b. Tighten cap screws securing SCV to bracket to specification.