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Instructions and adjustments
3.4
Adjusting hose length
Figure 3.5
The cultivator is equipped with an adjustable hose clamp.
Adjust the hoses to a suitable length and tighten the wingnuts.
When the work is completed, attach the quick connectors to the upper holes or slots in the hose
holder.
3.5
Adjusting the reverse-action valve
Figure 3.7
Applies to NZA 500-1000.
The reversing valve controls the hydraulics between the wing folding action and Crossboard.
When the harrow is lowered into the work position, the hydraulics are engaged to the Crossboard;
when the harrow is raised onto its wheels, the hydraulics operate the wing folding action.
Lever A should always be in the end position for transport and harrowing. This is adjusted by slid-
ing valve bracket B forwards or rearwards and also by changing the position of the spring in the
holes on upright C.
After adjustment, the bolts securing valve bracket B should be tightened to prevent the valve from
sliding out of position.
24
Figure 3.6
11.07.2011
ver. 2
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