Festo DZF - General Safety Instructions; 2 General Product Description; Functional Description; Cut-Away Illustration of the Flat Cylinder DZF

6 / 24 Festo 7DZF / DZHb_en
1.3 General safety instructions
Warning
The cylinder with piston rod must only be repaired by authorised and trained persons in accordance with the
specications in the technical documentation and using genuine spare parts (of the appropriate type and version).
Installation and repair by unauthorised and untrained persons, repairs using non-original spare parts or without 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 and the device-specic operating
instructions.
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 forward in the cylinder barrel when the rear cylinder chamber is pressurised. The piston rod transmits
the movement to the outside. The advanced piston rod is retracted again when the front cylinder chamber is pressurised.
2.1.1 Cut-awayillustrationoftheatcylinderDZF
aB
aC
aA
aJ
aA
981 3 4 6 7
5
2
1 Piston rod
2 Piston rod seal
3 Bearing cap
4 Compressed air connection,
front cylinder chamber
5 Front holes for cylinder mounting
6 Mounting slot for proximity sensor
7 Front piston seal
8 Piston with magnet
9 Rear piston seal
aJ Compressed air connection,
rear cylinder chamber
aA Rear holes for cylinder mounting
aB End cap
with S2 / S20: Rear bearing cap
aC Cylinder barrel