Lukas P 640 TG User Manual
Page 41
41
Trouble
Cause
Solution
The connected rescue
equipment does not move
on activation of the valve,
or moves only very slowly
or unevenly.
Air in the hydraulic supply Vent the hydraulic system
Pressure relief on the unit
is still active (circulation at
static pressure)
Check the switching
positions of the valve
lever(s) and, if necessary,
reset (as far as the final
position)
For the ISV valve: Have
repaired by authorised
dealer or directly by
LUKAS
Connecting block defective Replace connecting block
Have repaired by
authorised dealer or
directly by LUKAS
Defective pump unit
Have repaired by
authorised dealer or
directly by LUKAS
Mono-coupling (female)
defective
Replace mono-coupling
(female)
Connected rescue device
does not reach its final
position
Insufficient fluid in the
hydraulic reservoir
Top up hydraulic fluid to
the maximum filling level
Caution! Before
topping up the rescue
equipment, return to the
base position!
Usable hydraulic fluid
volume of the unit is
insufficient
Use a different rescue
device with a usable
quantity below the
maximum usable quantity
of the unit
Connected rescue device
does not reach its specific
performance data
Maximum permitted
operating pressure of the
pump is not reached
Have the pressure limiting
valve reset or repaired
by authorised dealer or
directly by LUKAS
Pump or connecting block
defective
Have repaired by
authorised dealer or
directly by LUKAS