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Festo 7CRHDb_en

• 

Apply screw locking agent (included in the set of wearing parts) around 
three-quarters of the end cap thread.

• 

Screw the end cap as far 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 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 onto the piston rod.

• 

Screw the bearing cap as far as possible onto the cylinder barrel.

• 

Align the bearing and end caps so that the two air connections are in line.

• 

Perform a functional test as per the operating instructions (enclosed with 
the cylinder or can be called up on the Festo website (

www.Festo.com

)) and 

commission the repaired cylinder.

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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