Lukas Compact Units - Manual (Page 32)

32
Motor runs but connected
implement does not move
in response to control
command.
Hose assembly not
connected properly or is
damaged
Inspect the connection of
the hose assembly and, if
necessary, reconnect
Defective pump unit Have repaired by
authorised dealer or
directly by LUKAS
Defective hydraulic
coupling (if fitted)
Replace hydraulic coupling
Problem with the control
unit
Consult the separate
operating instructions for
the control unit.
Problem with the
implement
Consult the separate
operating instructions for
the implement.
Connected implement
moves in response to
control command but only
very slowly or unevenly.
Air in the hydraulic supply Vent the hydraulic system
Defective pump unit
Have repaired by
authorised dealer or
directly by LUKAS
Defective hydraulic
coupling (if fitted)
Replace hydraulic coupling
Pressure relief at
control unit still active
(depressurised circulation)
Consult the separate
operating instructions for
the control unit.
Trouble Cause Solution
Connected implement
does not reach its end
position
Insufficient fluid in the
hydraulic reservoir
Top up hydraulic fluid to
the maximum filling level
Attention: return the
implement to the home
position before you top
up the hydraulic fluid.
Usable hydraulic fluid
volume of the unit is
insufficient
Use a different implement
with a usable volume
below the maximum
usable volume of the
hydraulic unit
Connected implement
does not produce its rated
force
Maximum permitted
operating pressure of the
pump is not reached
Have the pressure limiting
valve reset or repaired
by authorised dealer or
directly by LUKAS
Defective hydraulic unit Have repaired by
authorised dealer or
directly by LUKAS