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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 tool and
adjust the toothed ring inside the valve as shown on the drawing.
Readjustment boom - general info
Before commencing adjustment jobs 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 tractor and sprayer on level ground (horizontal).
4. Unfold boom.
5. Set slanting angle to neutral position (horizontal).
Adjustment of hydraulic cylinders are done without pressure in the system.
WARNING! Nobody is allowed to be under the boom whilst adjustment is carried out.
Glide shoes - yaw damping
If slack occurs (backwards and forwards movements of the boom)
adjustment of yaw damping is needed. This is done by slightly
tightening the bolts (A). Be carefull not to overtighten or squeeze
the rubber bushings (B). Only tighten until there are no more play!
ATTENTION! Remember to accomplish similar job to the
second glide shoe mounting as well. Glide shoes must touch
the frame without being squeezed. Do NOT overtighten!
Suspension locking device
The trapeze helps the boom to stay horizontal when unfolded and it protects the boom against vibrations and impacts.
In order to lock the boom during folding, the chains must be tight. If not the case even when cylinder is fully retracted,
then chains must be strained.
6 - Maintenance
6.15
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