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4 - Sprayer Setup
62
Open Centre Hydraulics
The open centre hydraulics block is necessary, if the tractor uses open
centre hydraulics and/or load sensing.
The valves (pos.1 and 2) is factory set for open centre hydraulics, but if
closed centre hydraulics is used (also in combination with load sensing),
screw in the valve (clockwise).
Certain tractor models are able to use Load Sensing without connecting
an external sensing line. But if optimal sensing control pressure cannot
be obtained, an external sensing line needs to be connected (pos. 3) to
the tractor.
A spare part kit is available (HARDI item no. 74193800). From this kit,
install the restrictor with the smallest centre hole:
•
check your hydraulic flow by activating a hydraulic lever in the
tractor. If the reaction time for the hydraulic function is relatively
short, continue your work with this restrictor installed.WARNING! If
the reaction time seems too long before the hydraulic function is
enabled, replace the restrictor with the bigger model from the kit
to allow more oil flow to pass through.
Ask your HARDI dealer for correct setup and correct connection, if in doubt.
±
WARNING! Before operating the hydraulics, the valve should be set according to the specific tractor model. If you are
unsure of the type of hydraulic system in your tractor, please contact your tractor dealer.
Combinations of settings for flow element and circuit value:
*If the tractor requires pressure relief, contact your tractor dealer for further advice.
±
WARNING! Always be sure to fully open or close the open/closed centre selection valves (1). It is also essential that
connectors on sensing line are kept totally clean, so impurities do not enter the pump.
Failure to comply may cause damage to vital pump parts.
Valve no.
1
2
3 (O-LS port)
Open centre
Out
Out
Not connected
Closed centre
In
In
Not connected
Load sensing (LS)
In
Out*
Connected
O-LS
Содержание RANGER PRO VH
Страница 4: ...1 EU Declaration 4 ...
Страница 10: ...Table of Contents 6 ...
Страница 108: ...5 Operation 104 ...
Страница 111: ...6 Maintenance 107 Boom Lubrication Oiling Plan Lubrication Oiling Plan Trailer Paralift ...
Страница 142: ...6 Maintenance 138 ...
Страница 149: ...8 Technical Specifications 145 Pump Specifications Pump Model 364 5 5 Pump Model 364 7 0 Pump Model 364 10 0 ...
Страница 164: ...Index 160 ...
Страница 166: ...HARDI INTERNATIONAL A S Herthadalvej 10 DK 4840 Nørre Alslev DENMARK ...