Hardi HC5500, Instruction Book

Page: 25 / 80

4 - System setup
25
Check LookAhead pressure regulation at section change
1.
Go to menu [4.6 speed simulation]. Key in 6 km/h and press to
use the value.
2.
Press to leave to workscreen.
3.
Press button for pressure regulation on the Controller. Check
that fly-leg icon appears in upper left corner of the display.
4.
Start PTO at nominal RPM.
5.
Flip down all section switches.
6.
Press main ON/OFF to ON, to open all sections. Check that pressure
regulation valve rotates and that pressure stabilises at 2 bar.
7.
Press main ON/OFF to OFF, to close all sections.
8.
Flip up half of the section switches to close half of the sections.
Check if pressure regulation valve rotates counterclockwise (to
reduce pressure) immediately after the change of section switches.
If pressure regulation valve rotates when all sections are closed,
then LookAhead is activated and works correctly.
Open/close the Main On/off = No movement
Pressure based regulation (optional equipment)
When the pressure based regulation is enabled the HC 5500 will promt
for a nozzle choice. The display will show the nozzle description of the
last used nozzle.
If the nozzle and application rate used at last spray job is going to be re-
used, then press
and the minimum pressure screen will appear (see
below).
If another nozzle will be used then confirm your nozzle selection by
pressing
. Then the minimum pressure screen will appear. If
LookAhead is enabled, then LookAhead calibration will be done before
the minimum pressure screen appears.
Select the minimum pressure with or . Change digit with
or . Confirm the selection by pressing .
In practice this means the regulation valve will stop if the pressure goes
below this value. See “Check LookAhead pressure regulation at speed
change” for illustration of pressure regulation valve functionality.
Rotation counterclockwise (A) Rotation clockwise (B)
Decreasing pressure Increasing pressure
Lower boom flow Higher boom flow
Closing section Opening section
Decreasing speed Increasing speed
SELECT NOZZLE
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ISO XXXX
SELECT NOZZLE
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