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Summary of Contents for Bosch Rexroth II 3G
- Page 1 Directional seat valves, direct operated, with solenoid actuation (Area of application according to the explosion protection directive 2014/34/EU: II 3G, II 3D) Type M-.SED 6...XN... Operating instructions Replaces: 04/16 RE 22049-XN-B/05.17 English...
- Page 2 © This document, as well as the data, specifications and other information set forth in it, are the exclusive property of Bosch Rexroth AG. It may not be reproduced or given to third parties without its consent.
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Page 3: Table Of Contents
10.2 Inspection and maintenance 10.3 Maintenance schedule 10.4 Repair 10.5 Rectifying external leakages 10.6 Spare parts Disassembly and removal Disposal 12.1 Environmental protection 12.2 Return to Bosch Rexroth AG 12.3 Packaging 12.4 Materials used RE 22049-XN-B/05.17, M-.SED 6...XN..., Bosch Rexroth AG... - Page 4 4/48 12.5 Recycling Extension and modification Troubleshooting 14.1 How to proceed for troubleshooting Technical data Appendix 16.1 List of addresses Declaration of conformity Alphabetical index Bosch Rexroth AG, M-.SED 6...XN..., RE 22049-XN-B/05.17...
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Page 5: About This Documentation
The hazard avoidance measures described must be observed. RE 22049-XN-B/05.17, M-.SED 6...XN..., Bosch Rexroth AG... - Page 6 The numbers indicate that the actions must be carried out one after the other. 1.3.3 Abbreviations The following abbreviations are used in this documentation: Table 4: Abbreviations Abbreviation Meaning ATEX EU Explosion Protection Directive (Atmosphère explosible) European Standard International Organization for Standardization Bosch Rexroth AG, M-.SED 6...XN..., RE 22049-XN-B/05.17...
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Page 7: Safety Instructions
For information on the device group, category and temperature class/surface temperature according to the explosion protection directive 2014/34/EU, please refer to "Data sheet 22049-XN" under "Information on the explosion protection" and to the name plate of the valve. RE 22049-XN-B/05.17, M-.SED 6...XN..., Bosch Rexroth AG... -
Page 8: Improper Use
Changes and/or modification at the valve are not admissible, see chapter 13 "Extension and modification". Bosch Rexroth AG does not assume any liability for damage caused by improper use. The user assumes all risks involved with improper use. Bosch Rexroth AG, M-.SED 6...XN..., RE 22049-XN-B/05.17... -
Page 9: Qualification Of Personnel
• Understanding of the additional importance of work permit systems and safe electrical separation regarding explosion protection. Bosch Rexroth offers measures supporting training in specific fields. An overview over the training content can be found online at: http://www.boschrexroth.de RE 22049-XN-B/05.17, M-.SED 6...XN..., Bosch Rexroth AG... -
Page 10: General Safety Instructions
• Do not commission the product until you can be sure that the end product (for example a machine or system) where the Rexroth product is installed complies with the country-specific provisions, safety regulations and standards of the application. Bosch Rexroth AG, M-.SED 6...XN..., RE 22049-XN-B/05.17... -
Page 11: Product-Specific Safety Instructions
▶ Before working at the valve, ensure that the hydraulic system is depressurized and the electrical control is de-energized. ▶ Completely unload the pressure at machines and systems before working at the valve. RE 22049-XN-B/05.17, M-.SED 6...XN..., Bosch Rexroth AG... - Page 12 ▶ Exchange valves with corrosion damage at an early stage. ▶ Check the surface protection at the valve and the valve mounting screws at regular intervals. Bosch Rexroth AG, M-.SED 6...XN..., RE 22049-XN-B/05.17...
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Page 13: Notices On The Valve Use
Additional switching measures have to be taken in order to avoid any influence of the residual voltage peak on connected operating media. The maximum residual voltage peak of 500 V must not be exceeded. RE 22049-XN-B/05.17, M-.SED 6...XN..., Bosch Rexroth AG... -
Page 14: Personal Protective Equipment
The machine end-user is obliged to check in the order confirmation whether the supplied valve complies with the required category and the corresponding zone. The machine end-user of the Bosch Rexroth valve is responsible that • the valve is only used according to the intended use as defined in these operating instructions. -
Page 15: General Information On Damage To Property And Damage To Product
Hydraulic fluid harmful to the environment! Leaking hydraulic fluid leads to environmental pollution. ▶ Immediately remedy possible leakage. ▶ Dispose of the hydraulic fluid in accordance with the currently applicable national regulations in your country. RE 22049-XN-B/05.17, M-.SED 6...XN..., Bosch Rexroth AG... -
Page 16: Scope Of Delivery
Check the scope of delivery for possible transport damage, see chapter 6 "Transport and storage". In case of complaints, please contact Bosch Rexroth AG, see chapter 16.1 "List of addresses". Accessories such as mating connectors, valve subplates and valve mounting screws are not included in the scope of delivery and must be ordered separately. -
Page 17: Product Identification
EN 13463-5 Additional mark according to the explosion II 3D c T140 °C IP65 X protection directive 2014/34/EU and mark for the type of protection of the mechanical part according to EN 13463-5 RE 22049-XN-B/05.17, M-.SED 6...XN..., Bosch Rexroth AG... - Page 18 Additional mark according to the explosion protection II 3D Ex tc IIIC T140 °C Dc directive 2014/34/EU, protection class and maximum surface temperature according to EN 60079-31 (dusts) BVS 12 ATEX E 062 X Type examination certificate number Bosch Rexroth AG, M-.SED 6...XN..., RE 22049-XN-B/05.17...
- Page 19 Explosive areas in which an explosive atmosphere due to blown up dust (=device group II) does not normally occur or only rarely or for a short time. Corresponds to zone 22 according to directive 1999/92/EC. Standard level of safety. RE 22049-XN-B/05.17, M-.SED 6...XN..., Bosch Rexroth AG...
- Page 20 Table 9: Temperature classes for device group II Temperature class Maximum surface temperature 450 °C 300 °C 200 °C 135 °C 100 °C 85 °C Bosch Rexroth AG, M-.SED 6...XN..., RE 22049-XN-B/05.17...
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Page 21: Transport And Storage
Danger of cut injuries! ▶ Wear suitable protective equipment when transporting the valve. More information regarding transport is available from Bosch Rexroth, see chapter 16.1 "List of addresses". Notify your responsible sales contact person about any transport damage within one week. The addresses of the sales subsidiaries can be found on the Internet at: http:/www.boschrexroth.com/adressen... -
Page 22: Storing The Hydraulic Valve
Pack the valve with a desiccant air-tightly in corrosion protection film. Store the valve protected against impacts. ▶ In each case, please observe any applicable provisions and laws regarding the handling of substances hazardous to water or to health. Bosch Rexroth AG, M-.SED 6...XN..., RE 22049-XN-B/05.17... -
Page 23: Assembly
It is imperative to provide for absolute cleanliness. The valve must be protected from dirt during installation. Contamination of the hydraulic fluid may considerably reduce the life cycle of the valve. ▶ Observe the installation position specified in "Data sheet 22049-XN". RE 22049-XN-B/05.17, M-.SED 6...XN..., Bosch Rexroth AG... -
Page 24: Before The Assembly
Check the scope of delivery for completeness and possible transport damage. ▶ Also observe the safety instructions in chapter 2.6 "Product-specific safety instructions". 7.5 Required tools In order to assemble the valve, you need standard tools only. Bosch Rexroth AG, M-.SED 6...XN..., RE 22049-XN-B/05.17... -
Page 25: Required Accessories
3 G / 3 D according to the ATEX directive 2014/34/EU Table 16: Mating connector length of the connection line of the mating Material number connector R901200418 5 m R901200460 R901200582 RE 22049-XN-B/05.17, M-.SED 6...XN..., Bosch Rexroth AG... -
Page 26: Assembling The Valve
Improper installation of the valve causes an explosion hazard! ▶ The valve solenoid must not be installed close to charge generating processes. ▶ The valve is to be installed so that no impact stresses > 4 J can take effect. Bosch Rexroth AG, M-.SED 6...XN..., RE 22049-XN-B/05.17... - Page 27 Check the seal rings at the valve connection surface and, if applicable, at the Plus-1 plate for completeness. Other sealants are not admissible. Check whether at the subplate, the pressure connecting line is connected to P and the return line to T. RE 22049-XN-B/05.17, M-.SED 6...XN..., Bosch Rexroth AG...
- Page 28 Make sure that all pipes and hose lines and every combination of connection pieces, couplings or connection points with hoses or pipes are checked for their operational safety by a person with appropriate knowledge and experience. Bosch Rexroth AG, M-.SED 6...XN..., RE 22049-XN-B/05.17...
- Page 29 ▶ The fuse can be accommodated in the related supply unit or must be switched separately upstream. For information on the prescribed pre-fuse, refer to "Data sheet 22049-XN". RE 22049-XN-B/05.17, M-.SED 6...XN..., Bosch Rexroth AG...
- Page 30 Do not disconnect when energized! The connection of the valve solenoid can be established in a polarity-independent manner. The plug-in connection is not suitable for normal separation of the electric circuit. Bosch Rexroth AG, M-.SED 6...XN..., RE 22049-XN-B/05.17...
- Page 31 Assemble the O-ring onto the pole tube and slide it forward up to the solenoid coil. Re-tighten the mounting nut of the valve solenoid (hexagon nut, wrench size 32, tightening torque 8 + 1 Nm). RE 22049-XN-B/05.17, M-.SED 6...XN..., Bosch Rexroth AG...
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Page 32: Commissioning
Condensed water may form inside the electrical connection and cause a short-circuit! ▶ Allow the valve to acclimatize for some hours prior to commissioning as the electronics might be damaged by the generation of condensed water. Bosch Rexroth AG, M-.SED 6...XN..., RE 22049-XN-B/05.17... - Page 33 ▶ Seals are subject to a natural aging process and for this reason, check seals for damage and replace them, if necessary, every time you remove the mating connector. RE 22049-XN-B/05.17, M-.SED 6...XN..., Bosch Rexroth AG...
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Page 34: Operation
Changing the settings at the valve is not admissible. For information on the operation, please refer to the operating instructions for the hydraulic system into which the valve is installed. If errors occur, refer to chapter 14 "Troubleshooting". Bosch Rexroth AG, M-.SED 6...XN..., RE 22049-XN-B/05.17... -
Page 35: Operating The Manual Override (Only Relevant For Type M-.Sed 6
For operation, push the manual override in the direction of the valve housing using a rounded tool with a maximum diameter of 5 mm or using a dedicated special tool (see chapter 7.6 "Required accessories"). RE 22049-XN-B/05.17, M-.SED 6...XN..., Bosch Rexroth AG... -
Page 36: Maintenance And Repair
The date of manufacture of the valve can be seen on the name plate, see chapter 5.1.1 "Information on the name plate and the valve solenoid housing". Bosch Rexroth AG, M-.SED 6...XN..., RE 22049-XN-B/05.17... -
Page 37: Maintenance Schedule
10.3.1 Checking for leakage Check the valve for leakage. Early detection of hydraulic fluid loss may help you identify and remedy errors. Bosch Rexroth therefore recommends always keeping the valve and/or the system clean. 10.3.2 Checking for noise development Check the valve for noise development. -
Page 38: Repair
Bosch Rexroth AG Service Hydraulics Bürgermeister-Dr.-Nebel-Str. 8 97816 Lohr am Main Phone: +49 (0) 9352 - 40 50 60 spare.parts@boschrexroth.de For the addresses of our sales and service network please refer to: www.boschrexroth.com/adressen Bosch Rexroth AG, M-.SED 6...XN..., RE 22049-XN-B/05.17... -
Page 39: Disassembly And Removal
Seal the subplate in order to avoid contamination. If the valve is exchanged, all further steps are analogous to mounting, see chapter 7 "Assembly". RE 22049-XN-B/05.17, M-.SED 6...XN..., Bosch Rexroth AG... -
Page 40: Disposal
The materials for disposable packaging are mostly cardboard, wood, and expanded polystyrene. They can be recycled without any problems. For ecological reasons, disposable packaging should not be used for returning products to Bosch Rexroth. 12.4 Materials used Hydraulic components from Bosch Rexroth do not contain any hazardous materials that could be released during intended use. - Page 41 – Was the valve or machine used as intended? – How did the fault become apparent? ▶ Try to get a clear idea of the cause of error. Ask the direct (machine) operator. RE 22049-XN-B/05.17, M-.SED 6...XN..., Bosch Rexroth AG...
- Page 42 Following faults due to contamination, it is - in addition to the repair - essential to check the oil quality and improve it, if necessary, by suitable measures such as flushing or the additional installation of filters. Bosch Rexroth AG, M-.SED 6...XN..., RE 22049-XN-B/05.17...
- Page 43 Zum Eisengießer 1 97816 Lohr am Main Germany Phone +49 (93 52) 18 - 0 Email info@boschrexroth.de The addresses of our sales and service network and sales organizations can be found at www.boschrexroth.com/adressen RE 22049-XN-B/05.17, M-.SED 6...XN..., Bosch Rexroth AG...
- Page 44 44/48 Declaration of conformity 17 Declaration of conformity Bosch Rexroth AG, M-.SED 6...XN..., RE 22049-XN-B/05.17...
- Page 45 Intended use ▶ V Valve insert ▶ l Valve subplate Leakage List of addresses ▶ M Maintenance Maintenance schedule Manual override Modification ▶ n Name plate ▶ O Obligations of the machine end-user Operation RE 22049-XN-B/05.17, M-.SED 6...XN..., Bosch Rexroth AG...
- Page 46 46/48 Alphabetical index 19 Alphabetical index Bosch Rexroth AG, M-.SED 6...XN..., RE 22049-XN-B/05.17...
- Page 47 Alphabetical index 47/48 RE 22049-XN-B/05.17, M-.SED 6...XN..., Bosch Rexroth AG...
- Page 48 Bosch Rexroth AG Zum Eisengießer 1 97816 Lohr a. Main Germany Phone +49 (0) 9352 18-0 info@boschrexroth.de www.boschrexroth.com Subject to change without notice Printed in Germany RE 22049-XN-B/05.17...