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4 - Sprayer Setup
Adjustment of Pendulum Damping
After adjusting the boom suspension mechanically, it is possible to fine-
tune the boom movements in the field if needed.
Do this with the boom damping control, located in the boom centre
below the hydraulic cylinder.
Change the hydraulic oil flow, by adjusting the valve:
1. Loosen the counternut.
2. Using an Allen key, turn the throttle valve (A) inwards until the stop.
3. Turn it 3 full turns outwards (= factory setting).
4. Now test the damping of the boom, as described in the following
sections.
5. Adjust damping:
• More boom damping: Turn the throttle valve inwards.
• Less boom damping: Turn the throttle valve outwards.
The valve is very sensitive - only make small adjustments before testing the boom damping. It will now react
immediately and depending on the setting for boom damping, the boom will more or less follow the sprayer's wheel
axle movements.
Tools Needed
Testing the Pendulum Damping
After adjusting the boom suspension mechanically or electrically, always test the boom damping by hand and re-adjust if
needed.
Before testing:
• Park the sprayer and activate the tractor's handbrake.
• Unfold the boom and adjust the boom height to approx. 1.5 meters above the ground.
• Unlock the pendulum in the boom centre by pressing
• Stand next to the boom. Ensure that there are no objects or excessive wear on the boom, which can prevent a free
vertical movement of the boom.
82
Size: 17 mm
.
Size: 5 mm
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