30 HARDI
®
N-SERIES 3-PT SPRAYER DIAPHRAGM OPERATOR'S MANUAL
4.11 Adjustment of the BK-3 Manual Controls
1. Choose the correct nozzle. Make sure that all nozzles are the same
type and capacity. Refer to section 5.0 for nozzle selection and
calibration.
2. Locate your sprayer in a suitable location to spray water from the
boom. Fill the tank with clean water (see section 4.1).
3. Open or close lever 1 (Fig. 21) depending on whether pressure
agitation is required (Remember pressure agitation takes 5% to 10%
of pump output).
4. Turn main On/Off handle 2 (Fig. 21) to ON position A.
5. Set all hand levers 3 (Fig. 21) on the distribution valves to ON
position A.
6. Turn the HARDI-MATIC valve 4 (Fig. 21) counter-clockwise all the
way out.
7. With the tractor in neutral, engage the P.T.O. to start the pump.
Adjust the R.P.M.'s to normal operating speed.
Note: The P.T.O. revolutions must be kept between 300-600 R.P.M. for
the HARDI-MATIC to function properly.
8. Increase pressure by turning the HARDI-MATIC valve 4 (Fig. 21)
clockwise. Adjust until the pressure gauge 6 (Fig. 21) reaches the
desired pressure (turn HARDI-MATIC valve counter clockwise to
decrease pressure).
A
B
1
2
4
5
B
A
3
6
Fig. 21
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