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Festo 7DSBCa_en
4.7.3
Removing the bearing and end caps
1. Unscrew the flange screws in the bearing and end caps.
2. Pull the bearing and end caps off the cylinder barrel and piston rod.
4.7.4
Replacing the piston components
1. Pull the piston rod out of the cylinder barrel.
2. Inspect the cylinder barrel and piston rod for damage.
Note
The entire ISO cylinder must be replaced if the cylinder barrel, particularly
the bearing surface, shows signs of significant damage.
3. Unscrew the threaded coupling from the piston rod.
Note
Note the order and alignment when pushing down the piston components.
Recommendation: Place the piston components in such a way that correct
assembly is ensured.
4. Push the piston components off the piston rod.
5. Clean the thread of the piston rod and threaded coupling to remove screw
locking agent.
6. Replace the components contained in the set of wearing parts.
7. Push the piston components onto the piston rod, in the correct order and
alignment.
Illustrated: Multi-part piston
8. Wet the threaded coupling with screw locking agent.
9. Screw the threaded coupling onto the piston rod and tighten with the
appropriate torque.
Size
Tightening torque
DSBC-32
10 Nm
DSBC-40
20 Nm
DSBC-50
30 Nm
DSBC-63
40 Nm
DSBC-80
60 Nm
DSBC-100
60 Nm
DSBC-125
170 Nm
