14 troubleshooting – Lukas LS530EN User Manual
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14 Troubleshooting
If the defects cannot be repaired, contact an authorised LUKAS dealer or the LUKAS
service department.
The address: LUKAS Hydraulik GmbH, Weinstraße 39, D-91058 Erlangen, Pf 2560,
D-91013 Erlangen, service phone 09131/698 348; fax 09131/698 353
Trouble
Check
Cause
Remedy
Hoses cannot be
Pressurized
Relieve pump
coupled
pressure
On actuating blades Hoses correctly
Air in the hydraulic
Thoroughly vent pump
move slowly or by
connected,
system
unit: see 9.1.1
jerks
power pack
operating
No pressure build-up
Not enough oil in
Refill oil and vent the
hand resp. motor
system (see
pump. Vent pump
operating instruction
after changing oil.
9.1.1)
Star grip doesn't
Return spring is
Ask authorized dealer
return to middle
damaged or return
or LUKAS themselves
position when
mechanism is dirty
for repair
released
Oil leakage out of
Untightness,
Replace hoses
hoses or hose fittings
eventually damages
Surface of hydraulic
Contact wirh
Change hoses
hoses is dissolved
agressive fluids
Blades spread up at
Torque of the center
For retightening, see
tips to a gap of more
bolt nut is unsufficient 13.2.1
than
3 mm (LS511EN) /
5 mm (LS501EN,
LS530EN) even if not
fully loaded
Leakages on the
Defective piston rod
Replacement of seals
piston rod
seal
by authorized dealer
or LUKAS themselves