Lukas CT7 - Manual (Page 22)

22
Troubleshooting 10.
Trouble Check Cause Solution
Connected
implements move
slowly or jerk in
response to control
command
Hose lines
connected
correctly?
Air in the hydraulic
system
Vent the hydraulic
system
Pump assembly
running?
Defective
implement.
Consult the operating
instructions for the
implement.
Connected
implements do not
move in response to
control command and
no pressure reading
on the control desk
pressure gauge.
Hose lines
connected
correctly?
Hose line to
hydraulic unit
not connected
correctly.
Connect the hose
lines correctly.
Pump assembly
running?
Pump assembly
not switched on or
defective.
Consult the operating
instructions for the
pump assembly.
Connected
implements do not
move in response to
control command but
a pressure reading is
shown on the control
desk pressure gauge.
Switch position
of the manual
pressure shut-off
valve
Manual pressure
shut-off valve in
“closed position”
Switch the manual
pressure shut-off
valve to the “working
position”.
Defective control
desk
Have repaired by
authorised dealer or
directly by LUKAS.
Problem with the
implement.
Consult the operating
instructions for the
implement.
Connected implement
does not produce its
rated force.
Hydraulic fluid
level in the supply
pump?
Insufficient
hydraulic fluid in
the pump
Top up the hydraulic
fluid and bleed
Check the
operating pressure
on the control desk
pressure gauge
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 the
implements
Defective
implements
Consult the operating
instructions for the
implements.