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Festo 7CRHDb_en

2.2 

Type codes (ascertaining the features of a cylinder)

The precise features of the current cylinder with piston rod can be ascertained with the help of the rating plate on 
the cylinder. The type designation is located directly beneath the Festo logo and describes the cylinder's features 
separated by a hyphen (-).

Example:

CRHD-32-100-PPV-A-MC-S6

195549     AN

max. Druck 10 bar

1

4

2
3

1

  Type designation

2

  Serial number

3

  Technical information

4

  Part number

The type designation on this rating plate provides the following information:

CRHD

  Cylinder of the type CRHD

32

 

Piston diameter 32 mm

100

  Stroke 100 mm

PPV

  Adjustable end-position cushioning

A

 

Sensing option (magnetic piston)

MC

 

End cap with clevis

S6

 

Heat-resistant seals (repair-relevant feature (see chapter 

2.3 "Repair-relevant features"

)

Note

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

).

2.3 

Repair-relevant features

Some of the features that the cylinder with piston rod can be equipped with require a different repair approach. These are 
referred to as "repair-relevant" features and are listed in the left-hand column in the table below.
If the cylinder to be repaired has one of these repair-relevant features, the appropriate repair description (see right-hand 
column in the table below) must be used.

Note

A cylinder can only have one repair-relevant feature. It can additionally be equipped with one or more other features 
(see middle column).

Cylinder and repair-relevant feature

Other features

Described from page

CRHD-… without repair-relevant feature

PPV, A, MQ, MC, MS

11

CRHD-…-

S6

 (heat-resistant seals up to max. 120 °C)

PPV, A, MQ, MC, MS

16

Example for the cylinder in chapter 

2.2 "Type codes (ascertaining the features of a cylinder)"

Of the features in the sample cylinder, the feature "S6" is relevant to the repair. The description in  
chapter 

4.4 "Repairing the cylinder CRHD-…-S6"

 on page 

16

 must therefore be used to repair this cylinder with 

piston rod.

Содержание CRHD Series

Страница 1: ...Repair instructions en Cylinder with piston rod Round cylinder stainless steel CRHD 7CRHDb_en...

Страница 2: ...uction distribution or sale of this document or communication of its contents to others without express authorisation is prohibited Offenders will be liable for damages All rights reserved in the even...

Страница 3: ...iations 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 con...

Страница 4: ...bearing cap 11 4 3 2 Removing the bearing and end caps 12 4 3 3 Replacing the piston components 12 4 3 4 Inserting the piston rod into the cylinder barrel 13 4 3 5 Repairing and attaching the bearing...

Страница 5: ...website www Festo com Spare parts documentation Contains an overview of the spare and wearing parts as well as information on their installation Can be found in the online spare parts catalogue on the...

Страница 6: ...esto sales office 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...

Страница 7: ...the data sheet It is available on the Festo website www Festo com 2 3 Repair relevant features Some of the features that the cylinder with piston rod can be equipped with require a different repair a...

Страница 8: ...the orientation designations of the cylinder with piston rod as well as the different variants of the bearing cap and seals for repair relevant features Orientation Festo product identification rating...

Страница 9: ...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 spareparts festo com 1 14 15 16 13 1...

Страница 10: ...rew locking agent 8 Cushioning seal 9 O ring 10 Piston rod 11 Cushioning boss 12 Piston one piece Only with CRHD 32 13 Piston 14 Guiding band 15 O ring 16 Magnet 17 Threaded coupling Use screw locking...

Страница 11: ...en the cylinder is opened To prevent damage to sealing rims or guide surfaces do not use pointed or sharp edged assembly aids 4 2 Visual inspection Check the cylinder for visible damage that might imp...

Страница 12: ...s described above with the bearing cap Note The surface of the cylinder barrel should be repolished if it has been damaged Check the cylinder barrel and piston rod for damage The entire cylinder must...

Страница 13: ...set of wearing parts to the following parts Component Greasing Surface of piston rod Thin film1 Piston surface between lip rings Thin film1 Cushioning boss Thin film1 on outside 1 See chapter 5 2 2 T...

Страница 14: ...Remove the cushioning seal 4 from the bearing and end caps 1 3 2 4 Warning Check the plain bearing in the bearing cap for visible damage that might impair its function such as deposits and scoring Th...

Страница 15: ...ar as possible onto the cylinder barrel Push the piston as far as possible into the cylinder barrel To protect the bearing and seals place the appropriate assembly sleeve on the thread of the piston r...

Страница 16: ...2 3 5 4 6 1 Bearing cap 2 O ring 3 Cushioning seal 4 Piston rod seal 5 Retaining ring 6 Bearing 4 4 2 Removing the bearing and end caps Warning Use clamping protection to prevent damage to the surface...

Страница 17: ...om the piston rod Remove the piston components from the piston rod noting the order and orientation Remove any residues of the screw locking agent from the threads of the piston rod and threaded coupl...

Страница 18: ...arrel Insert the piston fully into the cylinder barrel through the insert sleeve The sealing lip must not fold back against the inside of the piston Note If necessary use a flat and blunt edged object...

Страница 19: ...Area Greasing 1 Grease reservoir1 for piston rod Fill 2 3 with grease 2 External surface for bearing cap Thin film2 3 Grease reservoir1 for bearing Fill 2 3 with grease 1 See chapter 5 2 3 Grease rese...

Страница 20: ...he piston rod see chapter 7 2 Special tools Apply screw locking agent included in the set of wearing parts around three quarters of the bearing cap thread Push the bearing cap over the assembly sleeve...

Страница 21: ...linder barrel to produce an even lubricant film 5 2 1 Extremely thin grease film A barely continuous film of grease covers the bearing surface The grease can give a sheen to the surface however the co...

Страница 22: ...CRHD 100 Gy Mounting sleeve for piston rod The mounting sleeve for piston rods for protecting the piston rod seal and the bearing in the bearing cap while the repair is being carried out must be prod...

Страница 23: ...further developed with regard to hardware and software The hardware status and where applicable the software status of the product can be found on the type plate of the product If the electronic docu...

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