4
Diagnosis
Fault
Uneven running
Hard striking of
the cylinder
Festo BAW−HSW−... 1009a English
Possible cause
Bearing cover on
cylinder distorted
Piston rod too dry
No time delay in
actuating HSW and
BAW−HSW
Remedy
Loosen screws, then
tighten again equally
Lubricate the piston
rod
Actuate the actuating
cylinder of the
BAW−HSW with a time
delay to the swivel
module of the HSW
(è Technical
specifications)
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