6 - Maintenance
6.11
Adjustment of 3-way-valve
The MANIFOLD valve can be adjusted if it is too tight to operate - or if it
is too loose (=liquid leakage). Correct setting is when the valve can be
operated smoothly by one hand. Use a suitable t
ool and adjust the
toothed ring inside the valve as shown on the drawing.
Retighten the frame
The frame is two sections bolted together. Also the drawbar is bolted to the frame. These bolts need to be tightened
correctly. Regularly check if bolts are tightened to the s
pecified torques below.
Readjustment boom - general info
Before beginning boom adjustments, please go through this check list:
1. The sprayer must be well lubricated (see part about lubrication).
2. Connect the sprayer to the tractor.
3. Place t
ractor and sprayer on level ground (horizontal).
4. Unfold boom.
5. Set tilt angle of both wings to horizontal position.
Adjustment of hydraulic cylinders are done without pressure in the system.
±
WARNING! Nobody is allowed to be under the boom while adjustment is carried out.
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