32 HARDI
®
NAVIGATOR 550M, 800M, 1000M CENTRIFUGAL OPERATOR'S MANUAL
4.12 Use of Flush Tank and Rinse Nozzles (optional)
The incorporated fl ush tank can be used for two different purposes
A. In-fi eld diluting of remaining spray liquid residue in the spraying
circuit for spraying the liquid in the fi eld, before cleaning the sprayer.
1. Empty the sprayer as much as possible. Turn the agitation valve (A)
(Fig. 17) clockwise all the way in to close agitation valve and spray
until air comes out of all nozzles.
Note: Do not run pump dry for longer than 3 seconds. Otherwise
severe damage to the pump will occur.
2. Remove the tank fi lter basket.
3. Turn the optional green pressure manifold
handle to the Tank Rinse symbol.
4. Turn the bottom black suction manifold
handle to the Flush Tank symbol.
5. Make sure any other manifold valves are in the "Off" position.
6. Engage and set pump at approximately 300 r.p.m.
7. When rinsing water corresponding to approximately 10 times the
spray liquid residue is used, turn the bottom black suction manifold
handle to the Main Tank symbol and operate all valves so all hoses
and components are rinsed.
8. Spray the liquid in the fi eld you have just sprayed.
9. Repeat steps 3-8 until the fl ush tank is empty.
WARNING: The rinse nozzles cannot always guarantee a 100%
cleaning of the tank. Always clean manually with a
brush afterwards, especially if crops sensitive to
the chemical just sprayed are going to be sprayed
afterwards.
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