hs dock
Faults
Order h49 7144.907-333
85
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
device and, if necessary, disas-
semble and clean the actuating
unit
Skilled special-
ist
Incorrect clamping
device
Use a suitable clamping device
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
Clamping device
cannot be
swapped in or out
Defective axial
strokes in the
clamping device
See fault »Defective axial strokes
in the adaptation clamping de-
vice«
Connection thread
damaged
Replace damaged components
Skilled special-
ist
The clamping de-
vice is difficult to
remove
Connection thread
is dirty
Use force to release the clamping
device and clean the actuating
unit
Skilled special-
ist
Clamping force is
too weak
The clamping de-
vice is not
mounted correctly.
Remove and reinstall the clamping
device
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 are worn
Replace the gasket kit [see
»Scheduled maintenance« chap-
ter]
Hydraulic/pneu-
matic specialist
Defective fluid port
Check actuating unit port, replac-
ing if necessary
Hydraulic/pneu-
matic specialist
Check machine port and replace if
necessary
Machine manu-
facturer