Festo BWL-HSP Serie Guide Rapide page 24

4 Diagnosis
Fault
Crosslink knocks
against disc
Uneven running
24
Possible cause
No gap been crosslink
and disc
Bearing cover on
cylinder distorted
or
Piston rod too dry
Remedy
Readjust gap
(1 ... 3 mm)
Loosen screws, then
tighten again equally
Lubricate the piston
rod
Festo BWL−/BWR−HSP−... 0311NH English