ZA-V BAG0087.11
5.19 Three-way control (optional)
green
Shutter right
Yellow Shutter left
blue Limiter
The three-way-control is necessary for hydraulic
single slider actuation with
• tractors with only a double-acting tractor
control unit and
• use of Limiter M.
A – Ball valve closed
B – Ball valve open
Two-sided spreading with three-way control
1. Keep actuating lever for Limiter M closed.
2. Open the two actuating levers for slide
gates.
3. Operate tractor control unit.
→ Open/close the sliders.
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Boundary spreading with three-way control
1. Keep the two actuating levers for slide gates closed.
2. Open the actuating lever for Limiter M.
3. Operate tractor control unit.
→ Lower Limiter M.
4. Close the actuating lever for Limiter M.
5. Open the two actuating levers for slide gates.
6. Operate tractor control unit.
→ Open the slide gates.
→ Carry out boundary spreading.
After boundary spreading:
7. Operate tractor control unit.
→ Close the slide gates.
8. Close the two actuating levers for slide gates.
9. Open the actuating lever for Limiter M.
10. Operate tractor control unit.
→ Raise Limiter M.
11. Close actuating levers.