14 troubleshooting – Lukas LSI Series Cutter User Manual
Page 16

14 Troubleshooting
If the defects cannot be repaired, please contact an authorised LUKAS dealer or the
LUKAS service department under following address:
LUKAS Hydraulik GmbH,
Weinstraße 39, D-91058 Erlangen, PO Box 2560, D-91013 Erlangen,
Service phone 09131/698 348,
FAX 09131/698 353.
16
Trouble
Check
Cause
Remedy
Hoses cannot be
Pressurized
Relieve pump
coupled
pressure
On actuating blades
Hoses correctly
Air in the hydraulic
Thoroughly vent
move slowly or by
connected power
system
pump unit: see 9.1.1
jerks
pack operating
No pressure build-up
Not enough oil in hand Refi ll oil and vent
or motor pump.
system (see opera
ting instruction
9.1.1)
Star grip doesn‘t return
Return spring is
Ask authorized
to middle position
damaged or return
dealer or LUKAS
when released
mechanism is dirty
themselves for
repair
Oil leakage out of
Untightness, eventually Replace hoses
hoses or hose fi ttings
damages
Surface of hydraulic
Contact with
Change hoses
hoses is dissolved
agressive fl uids
Blades spread up at
Torque of the center
For retightening,
tips to a gap of more
bolt nut is unsuffi sient
see 13.2.1
than 3 mm even if not
fully loaded
Leakages on the
Seal defective piston
Replacement of
piston rod
rod
seals by authorized
dealer or LUKAS
themselves