Hardi RANGER PRO, Инструкция

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7 - Fault finding
7.5
CONTROL/REMEDY
Air in system.
Restrictor or regulation valve blocked.
Power supply.
Various.
Various.
PROBABLE CAUSE
Loosen ram connection and activate hydraulics until oil flow
has no air in it (not whitish).
Secure boom. Dismantle and clean.
Check for proper 12V power supply.
Check for defective switch(s).
Check continuity of cables.
Check for operation of applicable solenoid (coil not activating
or plunger stuck).
Check for short circuit in wiring junction box at rear of sprayer.
Dirt in the restrictor port of the cylinder.
Check for correct solenoid electric/hydraulic hook-up.
Check for short circuit in wiring in the junction box at rear of
sprayer.
Boom slow/eradic.
Ram not functioning.
Hydraulic system fold/tilt functions will
not operate.
One function (fold or tilt) will not ope-
rate.
Multiple hydraulic functions with one
switch activated.
FAULT
Regulation valve incorrectly set. Open or close until desired speed is achieved (clockwise =
less speed).
Remember oil must be at operating temperature.
Insufficient hydraulic pressure. Check output pressure of tractor hydraulics. Minimum for
sprayer is 130 bar.
Insufficient amount of oil in tractor reser-
voir. Check and top if needed.
Hydraulic system - Y model