Check Rockshaft-Opener Control Operation

  1. A43336A
    A43336A-UN-28FEB05

    Valve Shown in Closed Position

    A - Hydraulic Lock-Up Valve (shown closed)

    Open hydraulic lock-up valve (A).


  2. N48107
    N48107-UN-17DEC01

    With Electro/Hyd SCV Controls

    A - SCV I Lever

    Place tractor transmission in “park” and set brakes. Start engine and move SCV I lever (A) back until rockshaft cylinders are fully retracted.


  3. Move SCV I lever back and forth several times while observing the operation of the openers. The openers raise when the lever is moved back, and lower when the lever is moved forward. If action is reversed, reverse hose connections in tractor hydraulic coupler.

  4. After attaching and cycling cylinders, check tractor hydraulic oil reservoir. Add oil if necessary.

LD45720,00005D2-19-20120228