Festo DSBC Series Einrichtungshandbuch

Repair

instructions (en)

Standard cylinders to ISO 15552

DSBC

7DSBCa_en

2 / 56 Festo 7DSBCa_en

About this magazine

Version:

7DSBCa_en (26.07.2018)

©Festo AG & Co. KG

Postfach

73726 Esslingen

Germany

Editorial team:

Spare Part Documentation and

Support

Phone:

+49 / 711 / 347-0

Fax:

+49 / 711 / 347-2144

E-mail:

[email protected]

Internet:

www.festo.com

The 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.

All technical data are subject to

change according to technical

updates.

3 / 56Festo 7DSBCa_en

Foreword

These repair instructions are valid for the ISO cylinder listed on the title page to

the exclusion of any liability claims.

The descriptions in these repair instructions may differ depending on the

version and/or modication status of the ISO cylinder. The user must check

this prior to carrying out the repair and take the deviations into consideration if

necessary.

These repair instructions have been prepared with care.

Festo AG & Co. KG does not, however, accept 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 8 on page 55.

The relevant regulations on occupational safety, safety engineering, and

interference suppression as well as the stipulations contained in these repair

instructions must be observed when working on the products.

4 / 56 Festo 7DSBCa_en

Table of contents

1 Important information 6

1.1 About these repair instructions 6

1.2 Symbols used in these repair instructions 6

1.3 Text designations used in these repair instructions 6

1.4 General safety information 7

1.5 Technical requirements 8

1.6 Standards and test values 8

2 General product description 8

2.1 Functional description 8

2.1.1 DSBC-… 9

2.1.2 DSBC-…-C (with clamping unit) 9

2.1.3 DSBC-…-E1 / E2 / E3 (with end-position locking) 10

2.2 Type code 10

2.3 Repair-relevant features 11

2.4 Orientation designations 13

2.5 Sizes and part numbers 13

2.5.1 Standard cylinder DSBC, ISO 15552 13

2.5.2 ISO cylinder DSBC, standard hole pattern, with clamping unit 13

2.5.3 ISO cylinder DSBC, standard hole pattern, with end-position locking 13

3 Components list 14

3.1 DSBC-… / A3 14

3.1.1 DSBC-…-C (with clamping unit) 16

3.1.2 DSBC-…-E1 / E2 / E3 (with end-position locking) 18

3.2 DSBC-…-T1 / T4 / A1 and DSBC-…-L / U / L1 20

3.3 DSBC-…-T3 / A2 22

3.4 DSBC-…-A6 24

4 Repair steps 26

4.1 Preparatory steps 26

4.2 Visual inspection 26

4.3 Repairing the ISO cylinder DSBC-…/ A3 27

4.3.1 Requirements 27

4.3.2 Validity 27

4.3.3 Structure of the bearing cap 27

4.3.4 Removing the bearing and end cap 28

4.3.5 Replacing the piston components 28

4.3.6 Inserting the piston rod into the cylinder barrel 29

4.3.7 Repairing and attaching the bearing and end caps 29

4.4 Additional repair steps for DSBC-…-C (with clamping unit) 32

4.4.1 Structure of the clamping unit 32

4.4.2 Dismantling the clamping unit 32

4.4.3 Repairing the clamping unit 33

4.4.4 Mounting the clamping unit 33

5 / 56Festo 7DSBCa_en

Table of contents

4.5 Additional repair steps for DSBC-…-E1 / E2 / E3 (with end-position locking) 35

4.5.1 Structure of the bearing cap with end-position locking 35

4.5.2 Unlocking the end-position locking manually 35

4.5.3 Dismantling the stop cylinder 36

4.5.4 Mounting the bearing or end cap with end-position locking 36

4.5.5 Mounting the lock cylinder 36

4.5.6 Releasing the end-position locking 36

4.6 Repairing the ISO cylinder DSBC-…-T1/T4/A1 and DSBC-...-L/U / L1 37

4.7 Requirements 37

4.7.1 Validity 37

4.7.2 Structure of the bearing cap 37

4.7.3 Removing the bearing and end caps 38

4.7.4 Replacing the piston components 38

4.7.5 Inserting the piston rod into the cylinder barrel 39

4.7.6 Repairing and attaching the bearing and end caps 39

4.8 Repairing the ISO cylinder DSBC-…-T3/ A2 42

4.8.1 Requirements 42

4.8.2 Validity 42

4.8.3 Structure of the bearing cap 42

4.8.4 Removing the bearing and end caps 43

4.8.5 Replacing the piston components 43

4.8.6 Inserting the piston rod into the cylinder barrel 44

4.8.7 Repairing and attaching the bearing and end caps 44

4.9 Repairing the ISO cylinder DSBC-…-A6 48

4.9.1 Requirements 48

4.9.2 Validity 48

4.9.3 Structure of the bearing cap 48

4.9.4 Removing the bearing and end caps 49

4.9.5 Replacing the piston components 49

4.9.6 Inserting the piston rod into the cylinder barrel 50

4.9.7 Repairing and attaching the bearing and end caps 51

5 Cleaning and greasing 53

5.1 Cleaning 53

5.2 Greasing 53

5.2.1 Thin grease lm 54

5.2.2 Grease reservoir 54

6 Maintenance and care 54

7 Tools 54

7.1 Standard tools 54

7.2 Special tools 54

8 Liability 55

6 / 56 Festo 7DSBCa_en

1 Important information

1.1 About these repair instructions

This document contains important information about professional repair of the ISO cylinder of the type DSBC.

The ISO cylinder DSBC is fully repairable in the event of damage due to normal wear.

The entire ISO cylinder must be replaced in the event of damage to the cylinder barrel.

However, the costs of carrying out a repair must be considered in the case of larger defects.

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 while performing repair work on the ISO cylinder:

– Operating instructions

Contains information about the operating elements and connections of the ISO cylinder, as well as information

about its function, structure, application, installation, commissioning, maintenance and care, etc. This information is

available on the Festo website (www.festo.com/sp).

– 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 (www.festo.com/spareparts).

– “Tools and repair accessories” information brochure

Contains an overview of the available installation resources, e.g. lubricating greases, threadlocking agents,

maintenance tools, etc. (resources for installation and maintenance). The brochure can be found in the online spare

parts catalogue on the Festo website (Tools and repair accessories.pdf).

1.2 Symbols used in these repair instructions

Danger categories

The following symbols identify text passages which draw attention to specic hazards.

Warning

Caution

Marking special information

The following pictograms mark passages in the text which contain special information.

Note

Information

Environment

7 / 56Festo 7DSBCa_en

1.3 Text designations used in these repair instructions

• Activities that can be carried out in any order.

.1 Activities which should be carried out in the specied order.

Reference to further information

– General list

Underlined, blue text indicates a cross-reference or hyperlink that you can click on in the PDF.

1.4 General safety information

Caution

Risk of injury due to unintended switching on and unexpected movements.

• Ensure that the ISO cylinder is depressurised and protected against restarting before any repair or maintenance

work is carried out.

Caution

The ISO cylinder may only be repaired by authorised and trained persons in accordance with the specications in the

technical documentation and using genuine 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.

Caution

Lifting large loads can lead to permanent injury.

• The ISO cylinder must be lifted by several people or with suitable lifting gear, depending on its size and weight.

Note

• Observe the given tightening torques. If no special information is given the tightening torques given in the relevant

standard apply to the screws, bolts and nuts used.

• Note the strength class of the screws, bolts and nuts!

Note

Carrying out repair work without the respective necessary technical documentation is dangerous, and therefore

not permissible. Repairs must only be carried out in conjunction with these repair instructions and the respective

operating instructions for the device, as well as the documents listed in Chapter 1.1 on page 6.

Festo recommends use of LOCTITE 243 threadlocker.

In the event of damage caused by unauthorised manipulation, improper use or use of non-original spare parts, all

warranty and liability claims against the manufacturer expire.

8 / 56 Festo 7DSBCa_en

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

environmental protection regulations.

1.5 Technical requirements

Note

The following instructions for safe and proper use must be observed:

– Observe the connection and ambient conditions specied in the technical data of the products and all the

connected components. The product can only be operated in compliance with the relevant safety guidelines if you

comply with the limit values and load limits (see enclosed documentation).

– The ISO cylinder must be in faultless technical condition.

– The ISO cylinder may only be operated in its original condition and without unauthorised modications.

– The ISO cylinder is designed for industrial use.

1.6 Standards and test values

Standards and test values which products comply with and full can be found in the "Technical data" sections of the

enclosed documentation.

9 / 56Festo 7DSBCa_en

2 General product description

2.1 Functional description

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.

2.1.1 DSBC-…

aJ9876

13 4 52

Illustrated: DSBC-32-…-PPV-…

1Piston rod

2Scraper ring

3Bearing cap

4Adjustment of front end-position

cushioning (only with PPV)

5Front compressed air port

6Cushion piston (only with PPV)

7Piston

8Cushion piston (only with PPV)

9Buffer seal (only in PPV / PPS)

aJ Rear compressed air port

aA Adjustment of rear end-position

cushioning (only with PPV)

aB End cap (in DSBC-…-T:

Rear bearing cap)

aC Holding disc

(only in DSBC-32 … 63)

aD Cylinder barrel

2.1.2 DSBC-…-C (with clamping unit)

1 32

Illustrated: DSBC-32-…-C

Additional components

1Holder of the clamping unit

2Clamping cartridge

3Connection for compressed air or

mounting screw

10 / 56 Festo 7DSBCa_en

2.1.3 DSBC-…-E1/E2/E3 (with end-position locking)

Illustrated: DSBC-32-…-E1 (end-position locking at both ends)

Additional components

1Slot in the piston rod for the end-

position locking:

Piston rod advanced

2Slot in the piston rod for end-

position locking:

Piston rod retracted

3 Rear end-position locking (piston

rod retracted)

4 Front end-position locking

(piston rod advanced)

2.2 Type code

The precise features of an ISO cylinder can be determined with the help of the product labelling on the cylinder. The order

code is positioned directly beneath the Festo logo and describes the ISO cylinder's features separated by a hyphen “-”.

Example:

DSBC-32-100-PPV-A-N3-T1

1463250 C608

pmax. 12 bar

1Order code

2Serial number

3Technical information

4Part number

The order code on the product labelling provides the following information:

DSBC ISO cylinder of the type DSBC

32 Size: Piston diameter 32 mm

100 Stroke 100 mm

PPV Adjustable end-position cushioning

APosition sensing option (for proximity switch)

N3 Conforms to ISO 15552

T1 Heat-resistant seals 0 up to +120 °C (Chapter 2.3 on page 11)

A list and description of all possible equipment features of the ISO cylinder can be found on the data sheet. The data

sheet is available on the Festo website (www.festo.com).

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