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Summary of Contents for Festo DNCB
- Page 1 Cylinder with piston rod Standard cylinder to ISO 15552 DNCB Repair instructions (en) 7DNCBa_en...
- Page 2 Imprint Version: 7DNCBa_en (09.2012) Copyright: ©Festo AG & Co. KG P.O. Box D-73726 Esslingen Editorial team: SC-S Tel.: ++49 (0) 711 / 347-0 Fax: ++49 (0) 711 / 347-2144 E-mail: service_international@festo.com Internet: http://www.festo.com The reproduction, distribution and utilisation of this document as well...
- Page 3 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.
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Page 4: Table Of Contents
Retrofitting the cylinder with piston rod with other features Mounting directions Component overview DNCB-… Repair steps Preparation Visual inspection Repairing the cylinder DNCB-… 4.3.1 Structure of the bearing cap 4.3.2 Removing the bearing and end caps 4.3.3 Replacing the piston components 4.3.4... -
Page 5: Important Information
(aids for The cylinder with piston rod DNCB is fully repairable in the event of dam- well as the function, structure, assembly and maintenance). Can age due to normal wear. -
Page 6: General Safety Information
Repairs must only be carried out in conjunction with these repair instructions as well as the respective operating instructions for the device. 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. -
Page 7: Type Codes (Ascertaining The Features Of A Cylinder)
Retrofitting the cylinder with piston rod with other features The cylinder with piston rod of the type DNCB-… is only available in the standard design. It can be retrofitted with a num- ber of other features (e.g. dust protection “R8”) by installing a piston rod seal from the appropriate wearing parts kits. -
Page 8: Mounting Directions
Mounting directions This diagram provides an overview of the orientation designations for the cylinder with piston rod. Orientation: Festo= product identification (rating plate) as reference point underneath right left front rear 8 / 17 Festo 7DNCBa_en... -
Page 9: Component Overview
Component overview DNCB-… 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 (wearing parts kit) -
Page 10: Repair Steps
The entire cylinder must be replaced if the cylinder barrel is showing significant damage. Repairing the cylinder DNCB-… The description in this section can be used to repair cylinders of the type DNCB-… with the following features: Code Description... -
Page 11: Removing The Bearing And End Caps
Apply the screw locking agent contained in the wearing parts kit to the inside of the threaded coupling and screw it onto the piston rod with the corresponding torque (see table). Type Torque DNCB-32 10 Nm DNCB-40 20 Nm DNCB-50... -
Page 12: Inserting The Piston Rod Into The Cylinder Barrel
Pull the piston rod back again until the piston is sitting fully in the cylinder barrel. Note This approach ensures that the sealing lips of the two lip rings sit correctly in the cylinder barrel. 12 / 17 Festo 7DNCBa_en... -
Page 13: Repairing And Attaching The Bearing And End Caps
• Remove the piston rod seal 1 from the bearing cap 2. • Only with DNCB-32/40/50/63-… Remove the holding discs 5 from the bearing cap and end cap. • Remove the cushioning seal 4 from the bearing cap and end cap. - Page 14 DNCB-80 25 Nm DNCB-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. 14 / 17 Festo 7DNCBa_en...
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Page 15: Cleaning And Greasing
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. -
Page 16: Tools
Mounting sleeve for piston rod DNCB-32 DNCB-40 DNCB-50 DNCB-53 DNCB-80 DNCB-100 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. 16 / 17 Festo 7DNCBa_en... - Page 17 Festo shall have the correspond- status as the last printed edition. and 2 completely to a third party. The third ing rights of use. Festo permits the user to party must be made explicitly aware of these 2. Furthermore, Festo cannot be held liable use the electronic documentation under the conditions of use.
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