33
HARDI
®
N-SERIES 3-PT SPRAYER DIAPHRAGM OPERATOR'S MANUAL
4.12 Operation Of The Tank Drain Valve (all models)
WARNING: BEFORE USING THE TANK DRAIN, VERIFY THAT
DISPOSAL OF WASTE IS DONE ACCORDING TO
CHEMICAL LABEL INSTRUCTIONS AND LOCAL
REGULATIONS.
The HARDI
®
N-series 3-PT sprayer is equipped with a top operated
tank drain valve.
The top operated tank drain valve handle is located near the tank
lid. To open the drain valve, turn the red drain valve handle (Fig. 23)
counter-clockwise.
To close the drain valve, turn the handle (Fig. 23) clockwise.
TOP OPERATED TANK DRAIN
4.13 Adjustment of Air Pressure in Pressure Damper
(All models)
The air pressure in the damper on the HARDI
®
diaphragm pump is fac-
tory preset at 30 psi (2 bar). This is suitable for nozzle spray pressures
between 45 psi (3 bar) and 225 psi (15 bar). If different nozzle pres-
sures are required, set pressure damper at pressures indicated.
To open
To close
Fig. 23
PSI (BAR)
PSI (BAR)
20-45 (1-3)
0-15 (0-1)
45-255 (3-15)
15-45 (1-3)
