Festo DNCB - General Safety and Product Description; General Safety Information

6 / 17 Festo 7DNCBa_en
1.3 General safety information
Warning
The cylinder with piston rod must only be repaired by authorised and trained persons in accordance with the specica-
tions in the technical documentation and using genuine spare parts.
Installation and repair by unauthorised and untrained persons, repairs using non-genuine spare parts as well as with-
out the technical documentation required for installation and/or repair are dangerous and therefore not permitted.
Repairs must only be carried out in conjunction with these repair instructions as well as the respective operating
instructions for the device.
Note
Instead of carrying out the repair yourself, your local Festo sales ofce offers the option of having the repair carried
out by Festo.
Environment
Components and equipment replaced as part of a repair must be disposed of in accordance with the locally valid
environmental protection regulations.
2 General product description
2.1 Functional description
The piston moves in the cylinder barrel when the cylinder chamber is pressurised. The piston rod transmits the movement
to the outside. The advanced piston rod is retracted again when the other cylinder chamber is pressurised.
aC
aD
aB
aE
aAaJ98761 3 4 52
1 Piston rod
2 Piston rod seal
3 Bearing cap
4 Adjustment of front end-position
cushioning
5 Front air supply connection
6 Cushioning boss
7 Piston washer
8 Guiding band
9 Cushioning boss
aJ Cushioning seal
aA Rear air supply connection
aB Adjustment of rear end-position
cushioning
aC End cap
aD Holding disc
aE Cylinder barrel