Checking Rockshaft/Opener Control Operation

1. Open lock-up valve (A).


A-Lock-Up Valve

N50080M

AG,OUO1074,489 -19-22FEB00-1/2

2. Place tractor transmission in "park" and/or set brakes; then start engine and pull back on SCV I control lever (A) until rockshaft cylinders are fully retracted.

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

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


A-SCV I Control Lever

N45491

With Mechanical SCV Controls

RW21854

With Mechanical SCV Controls

N48107

With Electro/Hyd. SCV Controls

AG,OUO1074,489 -19-22FEB00-2/2