22 HARDI
®
ATV SPRAYER DIAPHRAGM OPERATOR'S MANUAL
4.6 Agitation Adjustment
Ag i ta tion is nec es sary to keep the so lu tion in your tank prop er ly mixed.
Con sult your chem i cal sup pli er for the rec om mend ed amount of
ag i ta tion.
In gen er al, max i mum agitation is required but some products tend to
foam easily. To reduce foaming in some instances anti-foaming agents
may be added to the tank (Refer to chemical label). When running low
liquid levels in the tank, agitation may be reduced to fa cil i tate pump
priming and avoid pressure fl uc tu a tions. Make sure that you have
ad just ed the agitation properly before sprayer calibration.
Turning the agitation valve 3 (Fig. 9) clockwise will reduce the agitation
fl ow. Turning the valve counter-clockwise will in crease the agitation
fl o w .
4.7 Operation Of The Tank Drain Valve
WARNING: BEFORE USING THE TANK DRAIN, VERIFY THAT
DISPOSAL OF WASTE IS DONE ACCORDING TO
CHEMICAL LABEL INSTRUCTIONS AND LOCAL
REGULATIONS.
The HARDI
®
ATV Sprayer is equipped with a remote operated tank
drain. Pull the string at the left hand side of the tank to open the drain
valve. The valve is spring loaded to close, but can be kept open by
pulling the string out and upwards into the V-shaped slot (Fig. 11).
To release and close the drain valve again, pull the string downwards
and the valve will close automatically.
Fig. 11
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