Festo ADN Series Setup guide

Repair
instructions (en)
Cylinder with piston rod
Compact cylinder
ADN/AEN, to ISO 21287 and
ADNGF, standard hole pattern
7ADNc_en

2 / 34 Festo 7ADNc_en
Imprint
Version:
7ADNc_en (06.2016)
Copyright:
©Festo AG & Co. KG
Postfach
73726 Esslingen
Germany
Editorial team:
Spare Parts Documentation and
Support
Tel.:
+49 / 711 / 347-0
Fax:
+49 / 711 / 347-2144
Email:
[email protected]
Internet:
http://www.festo.com
Reproduction, distribution or sale of
this document or communication of
its contents to others without express
authorisation is prohibited. Offenders
will be held liable for damages. All
rights reserved in the event that a
patent, utility model or design patent
is registered.
All product designations and brand
names used are the property of the
owners and not explicitly identied
as such.
Subject to change without notice,
in line with continuous technical
progress.

3 / 34Festo 7ADNc_en
Preface
These repair instructions are valid for the cylinders with piston rod listed on the
title page to the exclusion of any liability claims.
Differences compared to the descriptions in these repair instructions may arise
depending on the design and/or modication status of the cylinder with piston
rod. The user must check this before carrying out the repair and take the differ-
ences into consideration if necessary.
These repair instructions have been prepared with care.
Festo AG & Co. KG does not, however, accept any liability for any errors in these
repair instructions or their consequences. Likewise, no liability is accepted for
direct or consequential damage resulting from incorrect use of the products.
Further information is given in Chapter 11 “Liability”.
The relevant regulations on occupational safety, safety engineering and inter-
ference suppression as well as the stipulations in these repair instructions must
be observed when working on the products.

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

5 / 34Festo 7ADNc_en
8 Cleaning and Greasing 30
8.1 Cleaning 30
8.2 Greasing 30
8.2.1 Denition of terms 30
9 Maintenance and care 30
10 Tools 31
10.1 Standard tools 31
10.2 Special tools 32
11 Liability 33

6 / 34 Festo 7ADNc_en
1 Important information
1.1 About these repair instructions
This document contains important information about professional repair of the cylinder with piston rod of the type
ADN / ADNGF / AEN.
The cylinder with piston rod ADN/ ADNGF / AEN is fully repairable in the event of damage due to normal wear. The entire
cylinder must be replaced in the event of damage to the cylinder barrel.
Before carrying out a repair, the relevant chapter in these instructions must be read in full and followed consistently.
For reasons of clarity, these repair instructions do not contain all detailed information. The following documents should
therefore also be available when repairing the cylinder with piston rod:
– Operating instructions
Contain information about the operating elements and connections of the cylinder with piston rod, as well as informa-
tion about function, structure, application, installation, commissioning, maintenance and care, etc. This information
is also available on the Festo website (www.festo.com).
– Spare parts documentation
Contains an overview of the spare and wearing parts as well as information on their installation. This can be found in
the online spare parts catalogue on the Festo website (http://spareparts.festo.com).
– Assembly aids
Contain an overview of available assembly aids, e.g. lubricating greases, locking agents, maintenance tools, etc.
(“Accessories, resources and tools” information brochure). The brochure can be found in the online spare parts cata-
logue on the Festo website (http://spareparts.festo.com/xdki/data/SPC/0/PDF_SAFE/Hilfsmittel.pdf).
1.2 Pictograms used in these repair instructions
This description contains notes on possible hazards which can occur if the product is used improperly. These notes are
identied by a signal word (Warning, Caution, etc.), are shaded and are additionally marked by a pictogram. A differentia-
tion is made between the following hazard information:
Caution
… means that ignoring this caution can result in injury to persons and / or damage to property.
Note
… means that ignoring this information can result in damage to property.
Marking special information
The following pictograms mark passages in the text which contain special information.
Information:
Recommendations, tips and references to other sources of information.
Environment:
This note informs you about necessary steps for environmentally compatible handling of materials and supplies, and
any guidelines, directives and regulations to be followed.

7 / 34Festo 7ADNc_en
1.3 Text designations used in these repair instructions
• Indicates activities that can be carried out in any sequence.
.1 Indicates activities that should be carried out in the specied sequence.
– Indicates a general list.
2 General safety instructions
Caution
The cylinder with piston rod may only be repaired by authorised and trained persons in accordance with the specica-
tions in the technical documentation and using original spare parts.
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 respective device-specic
operating instructions.
Instead of carrying out the repair yourself, your local Festo sales ofce offers the option of having the repair carried
out by Festo.
Components and equipment replaced during repair must be disposed of in accordance with the relevant local environ-
mental protection regulations.
3 General product description
3.1 Functional description of ADN and ADNGF
The piston moves in the cylinder barrel when the cylinder chamber is pressurised. The piston rod transfers the movement
to the outside. The advanced piston rod is retracted again when the other cylinder chamber is pressurised.
3.1.1 Functional description of ADN
7
8
6
1 3 4 52 1Piston rod
2Piston rod seal
3Bearing cap
4Front compressed air port
5Piston (one-piece)
6Rear compressed air port
7End cap
with S2: rear bearing cap
8Cylinder barrel

8 / 34 Festo 7ADNc_en
3.1.2 Functional description of ADNGF
aA
aJ
9
1 3 54 6 872 1Piston rod
2Slotted nut
3Moment compensator
4Bearing cap
5Piston rod seal
6Front compressed air port
7Guide rod
8Piston (one-piece)
9Rear compressed air port
aJ End cap
with S2: rear bearing cap
aA Cylinder barrel
3.2 Functional description of AEN
The piston moves in the cylinder barrel when the cylinder chamber is pressurised. The piston rod transfers the movement
to the outside. The advanced piston rod is retracted again by means of a compression spring when the cylinder chamber
is depressurised.
9
8
1 3 4 5 762 1Piston rod
2Piston rod seal
3Bearing cap
4Filter nipple
5Compression spring
6Piston (one-piece)
7Filter nipple
8End cap
9Cylinder barrel

9 / 34Festo 7ADNc_en
3.3 Type codes (determining the features of a cylinder)
The precise features of a cylinder with piston rod can be determined with the help of the rating plate on the cylinder. The
type code is directly beneath the Festo logo and describes the cylinder's features separated by a hyphen (-).
Example:
ADN-32-100-I-P-A
571717 AN08
pmax. 10 bar
1
42
3
1Type designation
2Serial number
3Technical information
4Part number
The type code on this rating plate provides the following information:
ADN Cylinder of the type ADN (double-action)
32 Piston diameter 32 mm
100 Stroke 100 mm
I Female thread
PElastic cushioning rings/pads, at both ends
ASensing option (magnetic piston)
A list and description of all possible equipment features of the cylinder with piston rod can be found in the data sheet.
It is available on the Festo website (www.festo.com).
3.4 Orientation designations and bearing cap variants
This illustration provides an overview of the orientation designations for the cylinder with piston rod.
Orientation:
Festo=Product identication (rating
plate) as reference point
O = top
U = underneath
R = right
L = left
V = front
H = rear

10 / 34 Festo 7ADNc_en
4 Components list
4.1 ADN compact cylinder, ISO 21287
This diagram is intended only to provide an overview of the individual components. To order spare and wearing parts please use the
online spare parts catalogue on the Festo website (http://spareparts.festo.com).
1
7
8
9
10
11
5
6
24
6
12
13
14
12
21
22
23
2
3
2
4
5
6
1
2
2
3
4
2
2
15
16
17
18
15
12
12
15
16
17
18
15
19
20
25

11 / 34Festo 7ADNc_en
Item Designation Note
1 Hex nut
2 Flange screw Use locking agent
2 Socket head screw Only ADN-80 / 100 /125, use screw locking agent
3 Piston rod seal
4 Bearing cap
5 Bearing
6 O-ring
7 Piston rod, male thread Only ADN-…-…-A-…
8 Piston rod, square Only ADN-…-Q
9 Piston rod, hollow throughout Only ADN-…-S20
10 Piston rod, female thread Only ADN-…-I-…
11 Washer Only ADN-40 / 50 / 63 / 80 / 100-…-Q
12 Cushioning boss Only ADN-32 / 40 / 50 / 63 / 80-…-PPS
13 O-ring Only ADN-32-…-PPS
14 Piston Only ADN-32
15 Piston washer
16 Guiding band
17 O-ring
18 Magnet
19 Washer Not S2 / S20
20 Hex nut Not S2 / S20, use LOCTITE high-strength locking agent
(is not included in the wearing part set)
21 Piston rod, male thread Only ADN-…-A-…-S2, use screw locking agent
22 Piston rod, hollow throughout Only ADN-…-S20, use screw locking agent
23 Piston rod, female thread Only ADN-…-I-…S2, use screw locking agent
24 Cylinder barrel
25 End cap Not S2 / S20

12 / 34 Festo 7ADNc_en
4.2 Compact cylinder ADNGF, standard hole pattern
This diagram is intended only to provide an overview of the individual components. To order spare and wearing parts please use the
online spare parts catalogue on the Festo website (http://spareparts.festo.com).
1
8
10
10 11
9
12
6
24
12
11
13
23
2
3
3
5
5
4
6
7
7
7
14
14
15
16
14
14
17
17
18
19
20
21
22
25
8
12
7
7
26

13 / 34Festo 7ADNc_en
Item Designation Note
1 Socket head screw Use locking agent
2Washer Only ADNGF-80 / 100
3 Slotted nut Use locking agent
4 Moment compensator
5 Shim ring Not ADNGF-80 / 100-
6 Guide rod
7 Flange screw Use locking agent
8 Piston rod seal
9 Bearing cap
10 Guide bearing
11 Bearing
12 O-ring
13 Piston rod, female thread
14 Cushioning boss Only ADNGF-…-PPS
15 O-ring Only ADNGF-32-…-PPS
16 Piston Only ADNGF-32
17 Piston washer
18 Guiding band
19 O-ring
20 Magnet
21 Washer Not S2
22 Hex nut Not S2, use LOCTITE high-strength locking agent
(is not included in the wearing part set)
23 Piston rod, female thread Only ADNGF-…-S2, use screw locking agent
24 Cylinder barrel
25 Bearing cap, rear Only ADNGF-…-S2
26 End cap Not S2

14 / 34 Festo 7ADNc_en
4.3 AEN compact cylinder, ISO 21287
This diagram is intended only to provide an overview of the individual components. To order spare and wearing parts please use the
online spare parts catalogue on the Festo website (http://spareparts.festo.com).
2
1
4
3
7
68
9
10
11
12
2
17
2
2
13
14
15
16
13
20
19
7
18
5
21 5

15 / 34Festo 7ADNc_en
Position Designation Note
1 Hex nut
2 Flange screw Use locking agent
2 Socket head screw Only AEN-80 / 100, use screw locking agent
3 Piston rod seal
4 Bearing cap
5 Filter nipple
6 Bearing
7 O-ring
8 Piston rod, male thread Only AEN-…-…-A-…
9 Piston rod, female thread Only AEN-…-…-I-…
10 Piston rod, square, male thread Only AEN-…-…-A-…-Q
11 Piston rod, square, female thread Only AEN-…-…-I-…-Q
12 Piston
13 Sealing piston
14 Guiding band
15 O-ring
16 Magnet
17 Washer
18 Hex nut Use LOCTITE high-strength locking agent
(is not included in the set of wearing parts)
19 Compression spring
20 Cylinder barrel
21 End cap

16 / 34 Festo 7ADNc_en
5 Repair steps
This chapter describes how to dismantle, repair and assemble the cylinder with piston rod. Note that the cylinder with
piston rod does not need to be fully dismantled for all repair work.
Depending on the cause of the defect to be eliminated, it may be necessary to replace several components. The cause of
a defect must therefore always be determined before starting a repair.
The repair should preferably be carried out on a stable and at work surface with storage for small parts.
5.1 Preparatory measures
Caution
Risk of injury due to sudden, uncontrolled ying off of the bearing cap!
The cylinder with piston rod must be completely depressurised before each repair.
Remove the check valves and tubing connection from the cylinder, to completely depressurise the cylinder.
Note
To prevent damage to sealing rims or guide surfaces, do not use pointed or sharp-edged assembly aids. Keep your
working environment clean and tidy.
Note
Before starting the repair, remove any attachments (clamping device, end-position locking, etc.) in accordance with
the corresponding operating instructions.
Only use the specied spare parts and assembly aids (grease, locking agent, etc.).
5.2 Visual inspection
Check the cylinder for visible damage that could impair its function, such as warping of the piston rod as well as deposits
and scoring. The entire linear actuator must be replaced if there are signs of signicant damage.

17 / 34Festo 7ADNc_en
5.3 ADN-… cylinder
Cylinders of the type ADN-… with the following features can be repaired:
Des. Description Des. Description
A Male thread K5 Piston rod with special thread
I Female thread K8 Extended piston rod
P Elastic cushioning rings/plates at both ends K10 Smooth anodised piston rod
PPS Pneumatic cushioning at both ends,
self-adjusting
S6 Heat-resistant seal max. 120 °C
S10 Slow speed (constant motion)
A External position sensing S11 Low friction
Q Internal position sensing at both ends R3 High corrosion protection
S1 Reinforced piston rod R8 Dust protection
S2 Through piston rod TL Captive rating plate
S20 Through, hollow piston rod TT Low temperature -40°C to +80°C
K2 Extended piston rod with male thread
The repair steps are described in Chapter 6 “Repairing ADN and ADNGF cylinders”.
5.4 ADNGF-… cylinder
Cylinders of the type ADNGF-… with the following features can be repaired:
Des. Description Des. Description
P Elastic cushioning rings/plates at both ends S2 Through piston rod
PPS Pneumatic cushioning at both ends,
self-adjusting
S6 Heat-resistant seal max. 120 °C
TL Captive rating plate
A External position sensing
The repair steps are described in Chapter 6 “Repairing ADN and ADNGF cylinders”.
5.5 Cylinders AEN (pushing)
Cylinders of the type AEN with the following features can be repaired:
Des. Description Des. Description
A Male thread K2 Extended piston rod with male thread
I Female thread K5 Piston rod with special thread
P Elastic cushioning rings/plates at both ends K8 Extended piston rod
A External position sensing K10 Smooth anodised piston rod
Z Single-acting, pulling (see note) S6 Heat-resistant seal max. 120 °C
Q Internal position sensing at both ends TL Captive rating plate
Please contact Festo for repair of AEN-…-Z (pulling) cylinders.
The repair steps are described in Chapter 7 “Repairing cylinder AEN (pushing)”.

18 / 34 Festo 7ADNc_en
6 Repairing ADN and ADNGF cylinders
6.1 Structure of the bearing cap
1
3
2
4
1O-ring
2Bearing
3Bearing cap
4Piston rod seal
6.2 Removing the bearing and end caps
Carry out steps 1 to 5 for ADNGF only
1. Unscrew the socket head screw which connects the moment compensator
to the piston rod.
2. Remove the washer (only used on the ADNGF-80 / 100).
3. Clean the thread of the piston rod and socket head screw to remove any
locking agent residue.
4. Pull the moment compensator, together with the guide rods, from the
cylinder.
5. Clean the guide rods, see Chapter 8.1 “Cleaning”.
Repair of the moment compensator unit is described in Chapter
6.6 “Repairing the moment compensator unit of the ADNGF”.
6. Unscrew the ange screws or socket head screws
(ADN / ADNGL-80 / 100 / 125 only) in the bearing and end caps (in the rear
bearing cap of cylinders with through piston rod (S2/20)).
7. Pull the bearing and end caps off the cylinder barrel and piston rod.
8. Clean the thread of the screws to remove any locking agent residue.
6.3 Replacing the piston components
1. Pull the piston rod out of the cylinder barrel.
2. Inspect the cylinder barrel and piston rod for damage.
The entire cylinder must be replaced if the cylinder barrel (particularly the
bearing surface) shows signs of signicant damage.

19 / 34Festo 7ADNc_en
3. Unscrew the hex nut and the washer or rear part of the piston rod (on
cylinders with through piston rod (S2/20)) from the piston rod.
ADN / ADNGF-…-A
Only ADN/ ADNGF-…-PPS
A special tubular box wrench 3(see Chapter 10.2 “Special
tools”) is required to undo the hex nut 2on the piston rod 1.
1 2 3
ADN / ADNGF-…-PPS
It is advisable to note the order and orientation of the piston components for
assembly of the piston components on the piston rod later.
4. Remove the piston components from the piston rod.
5. Clean the thread of the piston rod and hex nut (the thread of the rear part of
the piston rod in cylinders with through piston rod (S2 / 20)) to remove any
locking agent residue.
6. Replace the components contained in the set of wearing parts.
7. Re-assemble the piston components on the piston rod in the correct order
and orientation.
Carry out steps 8 to 11 for ADN / ADNGF-…-PPS only
A centring tool 2is required to install the front cushioning
boss 3(see Chapter 10.2 “Special tools”)
8. Push the centring tool 2onto the piston rod 1, with its convex side facing
the rear end of the piston rod 1.
9. Push the front cushioning boss 3onto the piston rod 1, with the concave
side facing the centring tool 2.
10. Reassemble the piston components 4on the piston rod in the correct
order.
11. Push the rear cushioning boss 5onto the piston rod 1, with the concave
side facing the rear end of the piston rod 1.
321 4 5

20 / 34 Festo 7ADNc_en
12. Place the washer on the piston rod (the washer is not used on cylinders with
through piston rod (S2/20)).
13. Wet the inside of the hex nut or the rear part of the piston rod (in cylinders
with through piston rod (S2/20)) with high-strength locking agent
(LOCTITE high-strength).
14. Tighten the hex nut on the piston rod or the rear part of the piston rod (in
cylinders with through piston rod (S2/20)) with the appropriate tightening
torque (see table).
ADN / ADNGF-…-A
Carry out steps 15 to 18 for ADN / ADNGF-…-PPS only
15. Use the centring tool to align the front cushioning boss with the middle of
the piston rod.
16. Place the washer on the piston rod (the washer is not used on cylinders with
through piston rod (S2/20)).
Note
Use a special tubular box wrench 3to tighten the hex nut 2on
the piston rod 1(see Chapter 10.2 “Special tools”), because
in addition to the size of the wrench, the wall thickness of the
tubular box wrench used is decisive for assembly of the cushion-
ing boss without damage.
17. Wet the inside of the hex nut or the rear part of the piston rod (in cylinders
with through piston rod (S2/20)) with high-strength locking agent
(LOCTITE high-strength).
18. Tighten the hex nut on the piston rod or the rear part of the piston rod (in
cylinders with through piston rod (S2/20)) with the appropriate tightening
torque (see table).
1 2 3
ADN / ADNGF-…-PPS
Type Tightening torque
ADN-32, ADNGF-32 9.2 Nm
ADN-32-…-A-PPS-A-S2 6 Nm
ADN-40, ADNGF-40 13.5 Nm
ADN-40-…-A-PPS-A-S20 12 Nm
ADN-50, ADNGF-50 30 Nm
ADN-40-…-A-PPS-A-S20 18.5 Nm
ADN-63, ADNGF-63 32 Nm
ADN-63-…-A-PPS-A-S20 18.5 Nm
ADN-80 45.5 Nm
ADN-80-…-I-PPS-A-S2 46 Nm
ADN-80-…-I-PPS-A 46 Nm
ADN-80-…-A-PPS-A-S20 33 Nm
ADN-80-…-A-PPS-A-S2 46 Nm
ADN-80-…-Q 23 Nm
ADN-80-…-A-PPS-A 46 Nm
ADNGF-80 46 Nm
ADN-100, ADNGF-100 45.5 Nm
ADN-125 72 Nm