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Adjustment of Pendulum Damping
After adjusting the boom suspension mechanically, it is possible to fine-
tune the boom movements in the field if needed.
This is done with the damping control. It is located in the boom centre
below the hydraulic cylinder, which affects the boom damping.
By adjusting the valve here the hydraulic oil flow is changed.
1. Loosen the counternut.
Screw the throttle valve (A) inwards until the stop.
Turn it 3 full turns outwards (= factory setting).
2. Now test the damping of the boom; see the following sections.
3. More boom damping: Screw the throttle valve inwards.
Less boom damping: Screw 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:
Size: 17 mm
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
• Stand next to the boom. Ensure that there are no cables etc. or excessive wear on the boom which can prevent a free
vertical movement of the boom.
Size: 5 mm
.
4 - Sprayer Setup
97
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