de
en
fr
es
pt
it
nl
fi
sv
da
bg
ro
hu
sk
cs
pl
el
lt
lv
et
hr
sl
21
zh
ja
ko
ar
Fault
Check
Cause
Solution
Quick-disconnect
coupling cannot
be connected
Is the pump
working?
Couplings are
pressurized
The system must
be depressurized
Coupling soiled?
Clean the soiling
Coupling defective Have the coupling
system replaced
Hydraulic liquid
leaking on the
hoses or bindings
Are the hoses
defective?
Leak, possible
damage
Replace hoses
Damage on the
surface of the
hydraulic hoses
Mechanical dam-
age or contact
with aggressive
media
Replace hoses
Leak at the
couplings
Coupling
damaged?
Coupling defective Have the coupling
system replaced
Cylinder does not
apply the speci-
fied force�
Are all system
components
working without
defect?
Device defective
Repair by an
authorized dealer,
by personnel
specially trained
by LUKAS, or by
LUKAS itself
After being re-
leased, the lifting
valve lever does
not return to the
central position
Casing damaged
or lever not oper-
ating smoothly?
Damage to the
torsion spring for
reset
Repair by an
authorized dealer,
by personnel
specially trained
by LUKAS, or by
LUKAS itself
Valve soiled
Defective valve
Other mechanical
damage
Summary of Contents for 81-86-20
Page 2: ...de en fr es pt it nl fi sv da bg ro hu sk cs pl el lt lv et hr sl 2 zh ja ko ar 1 2 3 4 5 6 ...
Page 233: ...de en fr es pt it nl fi sv da bg ro hu sk cs pl el lt lv et hr sl 233 zh ja ko ar ...
Page 268: ...de en fr es pt it nl fi sv da bg ro hu sk cs pl el lt lv et hr sl 268 zh ja ko ar A B 0 1 C ...
Page 269: ...de en fr es pt it nl fi sv da bg ro hu sk cs pl el lt lv et hr sl 269 zh ja ko ar E D 1 2 F ...
Page 270: ...de en fr es pt it nl fi sv da bg ro hu sk cs pl el lt lv et hr sl 270 zh ja ko ar G H ...
Page 271: ...de en fr es pt it nl fi sv da bg ro hu sk cs pl el lt lv et hr sl 271 zh ja ko ar J K B 1 1 ...
Page 272: ...de en fr es pt it nl fi sv da bg ro hu sk cs pl el lt lv et hr sl 272 zh ja ko ar L M ...
Page 273: ...de en fr es pt it nl fi sv da bg ro hu sk cs pl el lt lv et hr sl 273 zh ja ko ar ...
Page 274: ...de en fr es pt it nl fi sv da bg ro hu sk cs pl el lt lv et hr sl 274 zh ja ko ar ...
Page 275: ...de en fr es pt it nl fi sv da bg ro hu sk cs pl el lt lv et hr sl 275 zh ja ko ar ...