Lukas P 660 SG User Manual
Page 26

26
Connected rescue device
not reaching its limit
position
Fluid level in the hydraulic
tank too low
Add hydraulic À uid up to
max. ¿ ll level
Attention: move the
rescue device back into
the basic position before
adding À uid!
Usable hydraulic À uid
quantity of the unit is
insuf¿ cient
Use a different rescue
device with a usable
quantity below the
maximum usable quantity
of the unit
Connected rescue device
does not achieve its
power-related performance
data
Max. permissible operating
pressure of the pump is
not reached
Have pressure control
valve recalibrated or
replaced by an authorised
dealer or directly by
LUKAS
Fluid leaks on the
hydraulic À uid tank
(especially at the re¿ ll tap)
Due to return À ow of
the hydraulic À uid from
the rescue device, the
maximum ¿ ll quantity of
the tank is exceeded
Lower the ¿ ll level in the
hydraulic À uid tank to the
maximum
Seals defective
Repair by authorised
dealers or by LUKAS
directly
Hydraulic À uid with milky
cloudiness
Water or condensation
water in the system
Perform hydraulic À uid
change immediately
Hose lines cannot be
coupled
They are under excessive
pressure (e.g. due to
excessive ambient
temperature)
Depressurise valve
Coupling defective
Coupling should be
replaced immediately
Hose lines frequently
cannot be coupled
Hydraulic À uid of the
application situation not
adapted
Hydraulic À uid needs
to be changed (see the
chapter “Hydraulic À uid
recommendation” for more
information)
Coupling defective
Coupling should be
replaced immediately
Leakage at the couplings
Coupling defective
Coupling should be
replaced immediately
Problem
Cause
Remedy