Lukas DUO Traversing System - Manual (Page 36)

36
Troubleshooting 10.
Problem Check Cause Solution
Jack piston moves
slowly or erratically
during operation
Hose lines
connected
correctly?
Air in hydraulic
system
Bleed pump system
Pump assembly
running?
Device does not build
up specified force.
Hydraulic fluid
level in supply
pump?
Insufficient
hydraulic fluid in
pump
Top up hydraulic fluid
and bleed
Check operating
pressure of
hydraulic
assembly
Insufficient supply
pressure
If possible, increase
the max. operating
pressure at the
hydraulic unit to
the max. operating
pressure of the
cylinder or use a
different hydraulic
unit with sufficient
max. operating
pressure.
Check device Device defective Shut down device
and repair (have
repaired)
hose assembly
cannot be coupled
Pressurised Switch the pump
to depressurised
circulation
Coupling defective Coupling needs to be
replaced immediately
Hydraulic fluid
leaking from hoses or
connections
Hose lines
defective?
Leak, possible
damage
Replace hoses
Damage to surface of
hydraulic hose lines
Mechanical
damage or contact
with aggressive
media
Replace hoses
Hydraulic fluid leaking
from piston rod
Piston rod seal
defective
Have problem
rectified by
authorised dealer,
personnel trained by
LUKAS or LUKAS
directly
Piston damaged
Leak from couplings Coupling
damaged?
Coupling defective Coupling needs to be
replaced immediately