20
HARDI
®
New NAVIGATOR OPERATOR’S MANUAL
Emergency operation
In case of electrical failure, it is still possible to man u al ly
override all func tions of the operating unit. To operate
manually, disconnect the multiplug from the ECP or
ECPC control box fi rst and operate the handles by
hand. It is possible to change pressure and turn booms
on or off.
Note:
Since the ON/OFF switch normally op er ates by
shutting off all boom dis tri bu tion valves, you will need
to manually shut off all distribution valves to shut off the
complete control unit manually.
IMPORTANT! When the sprayer is stored, the ECP
or ECPC control box and the multiplug must be
pro tect ed against moisture and dirt. A plastic bag
may be used to protect the multi plug. Store the
control box in a clean dry place.
Remote 4” pressure gauge (optional)
The remote pressure gauge is located on the front
handrail (
Fig 20). This gauge measures the working
pressure in the boom tubes as close to the nozzles as
possible. This pressure reading will always be slightly
lower than the reading at the operating unit pressure
gauge.
The outputs stated in the nozzle charts are always
based on the pressures measured at the nozzle.
Always adjust pressure when calibrating and spraying
according to readings at the Remote pressure gauge.
Filters
Filters should always be used, and their function
checked regularly. The mesh size of the fi lter
should always be smaller than the fl ow average of
the nozzles used. Therefore, pay attention to the
correct com bi na tion of fi lters and mesh size. The
recommended suc tion fi lter is 50 mesh - this allows
good fl ow to the pump with little restriction. The
standard self cleaning fi lter is 100 mesh.
Refer to the chart below for correct fi lter rec om men da tions.
ISO Flat Spray
Suction Self Cleaning In-Line Nozzle
Nozzle Size Filter Filter Filter Filter
075-01-015-02
50 100 100 100
025-03
50 80 80 80 (50)
04 and larger
30 80 (50) 50 50
Suction fi lter screens do wear from dirt and chemical
particles. If nozzle fi lters continually block with chem i cal
particles, then use the next size coarse nozzle fi lter.
Self cleaning fi lter (ECP only)
IMPORTANT!
Note direction of restrictor in (
Fig 21).
Correct restrictor choice
It is important to have a large fl ow through the fi lter.
This is achieved by choosing restrictor size in relation
to the liquid consumption of the spray boom and pump
output.
Four restrictors are supplied. Use the green one
(largest orifi ce) fi rst.
Disconnect the hose (
Fig 21) at the self cleaning fi lter,
place the restrictor in the hose and reconnect.
If the required working pressure cannot be obtained,
the restrictor is too large. Choose a smaller one;
Starting with black, then white and fi nally red.
Operation
A
B
C
F
E
D
334200 RED 334201 WHITE
334202 BLACK 334203 GREEN
A= From Pump
B= Double Filter Screen
C= Guide Cone
D= To Operating Unit
E= Replaceable Restrictor
F= Return to Tank
Fig 21
Fig. 20
Summary of Contents for New NAVIGATOR 1100
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Page 34: ...32 HARDI New NAVIGATOR OPERATOR S MANUAL 7 Maintenance 6 C 500h B 50h ...
Page 57: ...55 HARDI New NAVIGATOR OPERATOR S MANUAL Notes ...
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