User Manual

SLG−...
Festo SLG−... 0802d English
32
10 Eliminating faults
Faults Possible cause Remedy
Irregular movement of
slide
One−way flow control
valves not fitted correctly
If possible restrict exhaust
Faults in position inter
rogation
Ferritic parts near the
proximity switch
Use parts made of non−magnetic
materials
Strong leakage  Cylinder fitted distorted
 Seals worn
 Seal band pressed/
sucked in
 Threaded pins not
sealed
 Fasten cylinder on flat base
 Replace worn parts
 yourself with wearing parts
kit
 send to Festo for repair
 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 pis
ton chamber (e.g. move the
pressureless slide only
slowly)
 Seal threaded pins in alterna
tive connections
Slide unit does not
reach desired speed
 Insufficient air volume
 High wear or counter
acting force
Increase connection cross sec
tions.
Switch volume upstream.
Slide jams or has play Work load evenness not
OK
Observe evenness of 0.1
Slide unit strikes
through the end posi
tion (metal stop)
Too much force
 Cylinder overloaded
 Cushioning element not
OK
 Use YSRG
 Reduce speed
 Reduce work load
 Select next size
 New cushioning element re
quired
Fig.35