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

[1] – Remove two check valve caps (A).

[2] – Remove check valves. Inspect each check valve face (B) and seat (C) inside valve body for debris or deep scratches.

[3] – Inspect spring (D).

[4] – Replace O-ring (E).

[5] – Remove relief valve (F) from body.

[6] – Clean cap (G), spring (H), plunger (I), and seat (J) components in suitable solvent.

[7] – Inspect all components for wear, deep scratches, or breakage. Replace SCV as required.