4 / 34 Festo 7ADNc_en
Table of Contents
1 Important information 6
1.1 About these repair instructions 6
1.2 Pictograms used in these repair instructions 6
1.3 Text designations used in these repair instructions 7
2 General safety instructions 7
3 General product description 7
3.1 Functional description of ADN and ADNGF 7
3.1.1 Functional description of ADN 7
3.1.2 Functional description of ADNGF 8
3.2 Functional description of AEN 8
3.3 Type codes (determining the features of a cylinder) 9
3.4 Orientation designations and bearing cap variants 9
4 Components list 10
4.1 ADN compact cylinder, ISO 21287 10
4.2 Compact cylinder ADNGF, standard hole pattern 12
4.3 AEN compact cylinder, ISO 21287 14
5 Repair steps 16
5.1 Preparatory measures 16
5.2 Visual inspection 16
5.3 ADN-… cylinder 17
5.4 ADNGF-… cylinder 17
5.5 Cylinders AEN (pushing) 17
6 Repairing ADN and ADNGF cylinders 18
6.1 Structure of the bearing cap 18
6.2 Removing the bearing and end caps 18
6.3 Replacing the piston components 18
6.4 Inserting the piston rod into the cylinder barrel 21
6.5 Repairing and attaching the bearing and end caps 21
6.6 Repairing the moment compensator unit of the ADNGF 24
6.7 Commissioning 24
7 Repairing cylinder AEN (pushing) 25
7.1 Structure of the bearing cap 25
7.2 Removing the bearing and end caps 25
7.3 Replacing the piston components 25
7.4 Inserting the piston rod into the cylinder barrel 26
7.5 Repairing and attaching the bearing and end caps 27
7.6 Commissioning 29
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