
HYDROK
Faults
106
Order h49 7144.907-333
13.2 Fault table
Fault
Possible cause
Remedial action
Remedied by
Defective axial
strokes in the
clamping device
Dirt in the parts in
the power flow
Remove and clean the clamping
element and clean the clamping
device if necessary
Skilled special-
ist
Mistakenly
swapped fluid port
Check fluid port and correct if nec-
essary
Hydraulic/pneu-
matic specialist
Seals worn
Check fluid pressure at the ports
and replace the seals if necessary
Hydraulic/pneu-
matic specialist
Clamping element
cannot be
swapped in or out
Defective axial
strokes in the
clamping device
See fault »Defective axial strokes
in the clamping device«
Clamping force is
too weak
Workpiece outside
the clamping width
diameter
Use a suitable clamping element
Skilled special-
ist
Supply pressure
too low
Check machine setting and cor-
rect if necessary
Seals worn
Check fluid pressure at the ports
and replace the seals if necessary
Hydraulic/pneu-
matic specialist
Clamping force is
too high
Supply pressure is
too high
Check machine setting and cor-
rect if necessary
Skilled special-
ist
Fluid loss
Seals worn
Replace gasket kit [see »Sched-
uled maintenance« chapter]
Hydraulic/pneu-
matic specialist
Defective fluid port
Check clamping device port and
replace if necessary
Hydraulic/pneu-
matic specialist
Check machine port and replace if
necessary
Machine manu-
facturer
Geometry devia-
tion on the work-
piece
Axial run-out error
on the clamping
device
Check axial run-out of the clamp-
ing device and correct if neces-
sary
Skilled special-
ist
Face run-out error
of the clamping de-
vice
Check face run-out of the clamp-
ing device and clean the mating
surfaces if necessary
Dirty end-stop area
Remove the workpiece end-stop
and clean the mating surfaces
Dirty coupling area
in the clamping el-
ement
Remove the clamping element;
clean coupling area and clamping
element