Eliminating Faults - Festo DGC-8 Série Notice D'utilisation

DGC
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Eliminating faults

Fault
Uneven movement
of the slide
Faults in position
scanning
Heavy leakage
Cylinder does not
reach the desired
speed
Festo DGC 0901d English
Possible cause
One−way flow control valve not
fitted correctly
Guide rail not greased
Ferritic parts in the vicinity of
the proximity switch
Cylinder is distorted
Seal worn
Seal band pressed/sucked in
Air volume not sufficient
High friction or counteracting
force
Remedy
If possible reduce the exhaust
(not the supply air)
Grease guide rail as described
in chapter "care and
maintenance"
Use parts made of
non−magnetic materials
Fasten the cylinder to a flat
base
Replace worn parts:
yourself with wearing parts
kit
by returning to Festo for
repairs
With pressureless linear drive
move the slide by hand twice
over the complete stroke (if
there are fixed stops push
these into the end position)
Avoid low pressure in the
piston chamber (e.g. move the
pressureless slide only slowly)
Select tubing with larger
diameter
Switch volume upstream
Select larger drive
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