45
HARDI
®
New NAVIGATOR OPERATOR’S MANUAL
FAULT
Boom slow/erratic.
Ram not functioning.
Hydraulic system fold/tilt
functions will not operate
One function (fold or tilt)
will not operate
Multiple hydraulic func tions
with one switch activated
PROBABLE CAUSE
Air in system
Tractor hydraulic fl ow control
Insuffi cient hydraulic pressure
Insuffi cient amount of oil in
tractor reservoir
Restrictor or regulation valve
blocked
Power supply
Various
Various
CONTROL/REMEDY
Loosen ram connection and activate hy drau -
lics until oil fl ow has no air in it (not whitish).
Open or close until desired speed is achieved
Remember oil must be at operating tem per a-
ture.
Check output pressure of tractor hydraulics.
Minimum for sprayer is 2000 psi (130 bar).
Check and top up if needed.
Secure boom
Dismantle and clean.
Check for proper 12V power supply
Check for defective switch(es).
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.
Hydraulic system
Troubleshooting
Summary of Contents for New NAVIGATOR 1100
Page 1: ...New NAVIGATOR 67020803 10 04 Operator s Manual ...
Page 2: ......
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 ...
Page 58: ...56 HARDI New NAVIGATOR OPERATOR S MANUAL Notes ...
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