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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 improper use of the products.
Inserting the piston rod into the cylinder barrel 4.5.5 Repairing and attaching the bearing and end caps Cleaning and greasing Cleaning Greasing 5.2.1 Extremely thin grease film 5.2.2 Thin grease film 5.2.3 Grease reservoir Maintenance and care Tools Standard tools Special tools Liability 4 / 28 Festo 7DSBF-Ca_en...
Can be found in the online spare due to normal wear. The entire structure, application, installation, parts catalogue on the Festo cylinder must be replaced in the event commissioning, maintenance and website (www.Festo.com).
Repairs must only be carried out in conjunction with these repair instructions and the device-specific operating instructions. Note Instead of carrying out the repair yourself, your local Festo 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 environmental protection regulations.
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 (-).
This diagram provides an overview of 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 identifi cation (rating plate) as point of reference O = top...
Component overview DSBF-C-… 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 (spareparts.festo.com). Item Designation Note Flange screws Use screw locking agent (set of wearing parts)
DSBF-C-…-T1 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 (spareparts.festo.com). Item Designation Note Flange screws Use screw locking agent (set of wearing parts)
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DSBF-C-…-T3 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 (spareparts.festo.com). Item Designation Note Flange screws Use screw locking agent (set of wearing parts)
Check the cylinder for visible damage that might impair its function (e.g. warping of the piston rod) as well as deposits and scoring. The entire cylinder must be replaced if the cylinder barrel is showing signs of significant damage. 12 / 28 Festo 7DSBF-Ca_en...
Pull the piston rod out of the cylinder barrel. • Check the cylinder barrel and piston rod for damage. The entire cylinder must be replaced if the cylinder barrel (particularly the bearing surface) is showing signifi cant damage. Festo 7DSBF-Ca_en 13 / 28...
The sealing lip must not fold back against the inside of the piston. Note If necessary use a flat and blunt-edged object to insert the lip ring into the cylinder barrel. • Insert the piston fully into the cylinder barrel. 14 / 28 Festo 7DSBF-Ca_en...
• Insert the piston rod seal into the bearing cap (both bearing caps on cylinders with through piston rod (T)) using an appropriate thrust piece. Note Note the mounting direction (individual sealing lips facing out). Festo 7DSBF-Ca_en 15 / 28...
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DSBF-C-80 25 Nm DSBF-C-100 25 Nm • 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. 16 / 28 Festo 7DSBF-Ca_en...
Pull the piston rod out of the cylinder barrel. • Check the cylinder barrel and piston rod for damage. The entire cylinder must be replaced if the cylinder barrel (particularly the bearing surface) is showing signifi cant damage. Festo 7DSBF-Ca_en 17 / 28...
The sealing lip must not fold back against the inside of the piston. Note If necessary use a flat and blunt-edged object to insert the lip ring into the cylinder barrel. • Insert the piston fully into the cylinder barrel. 18 / 28 Festo 7DSBF-Ca_en...
See chapter 5.2.2 "Thin grease fi lm" 1 2 3 • Insert the piston rod seal into the bearing cap using an appropriate thrust piece. Note Note the mounting direction (individual sealing lips facing out). Festo 7DSBF-Ca_en 19 / 28...
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DSBF-C-80 25 Nm DSBF-C-100 25 Nm • 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. 20 / 28 Festo 7DSBF-Ca_en...
Pull the piston rod out of the cylinder barrel. • Check the cylinder barrel and piston rod for damage. The entire cylinder must be replaced if the cylinder barrel (particularly the bearing surface) is showing signifi cant damage. Festo 7DSBF-Ca_en 21 / 28...
The sealing lip must not fold back against the inside of the piston. Note If necessary use a flat and blunt-edged object to insert the lip ring into the cylinder barrel. • Insert the piston fully into the cylinder barrel. 22 / 28 Festo 7DSBF-Ca_en...
Thin fi lm 7 Grease reservoir for bearing Fill 2/3 with grease 8 Grease reservoir for piston rod Fill 2/3 with grease 3 4 5 See chapter 5.2.2 "Thin grease fi lm" See chapter 5.2.3 "Grease reservoir" Festo 7DSBF-Ca_en 23 / 28...
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Place the new holding discs on the bearing and end caps. • Apply the grease included in the set of wearing parts to the new O-rings and insert them into the groove of the bearing and end caps. 24 / 28 Festo 7DSBF-Ca_en...
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DSBF-C-80 25 Nm DSBF-C-100 25 Nm • 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. Festo 7DSBF-Ca_en 25 / 28...
Festo recommends Loctite 7063 and Loctite 7070 for cleaning. When using other cleaning agents, make sure that they do not corrode the seals of the cylinder with piston rod. In case of doubt, check the resistance of the seals using the data on the Festo website (www.Festo.com). Greasing The various components and seals of the cylinder with piston rod require different levels of greasing depending on a number of factors.
"Accessories, equipment and tools" (7Accessories_a_en). It can be found in the online spare parts catalogue on the Festo website (http://spareparts.festo.com/xdki/data/SPC/0/PDF_SAFE/Hilfsmittel.pdf Liability The General Terms and Conditions of Sale of Festo AG & Co. KG, which can be viewed on the Festo website (www.Festo.com), apply. Festo 7DSBF-Ca_en 27 / 28...
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Festo or third parties have The latter applies particularly to extracts protection rights concerning this electronic of the documents for the user’s own Example: E 2003, Festo AG & Co. KG, documentation which Festo makes available documentation. The guarantee and liability D-73726 Esslingen...
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