Manual

33
Trouble Cause Solution
Fluid leaks from the
hydraulic uid reservoir
(especially from the ller
screw)
Due to hydraulic uid
returning from the
implement, the maximum
capacity of the tank is
exceeded
Reduce the level in the
hydraulic uid reservoir to
the mark on the dipstick or
inspection glass
Defective seal Have repaired by
authorised dealer or
directly by LUKAS
Leaking uid between
engine and ange bearing
Radial shaft seal on the
drive shaft is defective
Have repaired by
authorised dealer or
directly by LUKAS
Hydraulic uid milky and
cloudy
Water / condensation in
the system
Immediately replace
hydraulic uid
With quick-disconnect
coupling system: hose
assembly cannot be
coupled
Pressurised Switch the control unit to
depressurised circulation
Defective hydraulic
coupling
Hydraulic coupling needs
to be replaced immediately
With quick-disconnect
coupling system: Leak in
the coupling (male)
Safety valve reacted After pressure release,
there is no more leakage.
Defective hydraulic
coupling
Hydraulic coupling nipple
needs to be replaced
immediately
With quick-disconnect
coupling system: Leak in
the coupling (female)
Defective hydraulic
coupling
Hydraulic coupling sleeve
needs to be replaced
immediately
Hydraulic uid leak on the
hoses or the connections
Leak, possible damage Replace hoses
Damage on the surface of
the hydraulic hoses
Mechanical damage or
contact with aggressive
agents
Replace hoses
If it is not possible to rectify the malfunctions, inform an authorised LUKAS dealer or the
LUKAS Customer Service department immediately.
The address of the LUKAS Customer Service Department is:
LUKAS Hydraulik GmbH
Weinstraße 39, D-91058 Erlangen
Postfach 2560, D-91013 Erlangen
Tel.: [phone] / 698 - 348
Fax.: [phone] / 698 - 353