Festo DGC G Series, Repair Instructions

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31 / 44 Festo 7DGC-KFa_en
Dismantling and repairing the piston module 4.2.3
Remove the piston as described in • chapter 4.2.1.
Remove the coupling, together with the band reverser, from the piston. •
Note
The piston must be replaced completely in case of wear. The spare part com-
prises the inner and outer sealing rings and the magnets.
Bend the band reverser slightly apart and pull it off the coupling. •
Check all parts for wear and replace them as necessary. •
Clip the band reverser in the coupling. •
Note
Make sure that the band reverser is aligned properly with the coupling
(see illustration).
Connect the coupling with the band reverser to the piston. •
Note
Make sure that the coupling is properly aligned with the piston. The magnet
in the piston must be positioned on the left-hand side of the piston when the
coupling points backwards.
Grease the sealing rings and the band reverser. •
Observe the greasing instructions int the table in chapter 4.2.2.
Assemble the linear drive as described in
• chapter 4.2.2.