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Directional spool valves,
direct operated,
with solenoid actuation
Area of application in accordance with the explosion protection
Directive 2014/34/EU:
I M2 (WE6..5X/...XM...)
II 2G (WE6..5X/...XH...)
(IECEx Konformitätsbescheinigung
(IECEx certificate of conformity of
des Ventilmagneten)
the valve solenoid)
Operating instructions
RE23177-XH-B/05.21
Replaces: 07.19
Document no.:RA78475747_AC
English
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Table of Contents
Related Manuals for Bosch rexroth WE6 5X Series
Summary of Contents for Bosch rexroth WE6 5X Series
- Page 1 Directional spool valves, direct operated, with solenoid actuation Area of application in accordance with the explosion protection Directive 2014/34/EU: I M2 (WE6..5X/...XM...) II 2G (WE6..5X/...XH...) Replaces: 07.19 Operating instructions Document no.:RA78475747_AC RE23177-XH-B/05.21 English (IECEx Konformitätsbescheinigung (IECEx certificate of conformity of des Ventilmagneten) the valve solenoid)
- Page 2 BG: Въвеждането в експлоатация на този продукт може да се извърши едва тогава, когато разполагате с това ръководство за експлоатация на разбираем за Вас официален език на ЕС и сте разбрали неговото съдържание. Ако това не е така, обърнете се към Вашия партньор Bosch Rexroth или към компетентен сервиз. Ще го намерите на www.boschrexroth.com.
- Page 3 UE que você entenda e se você tiver compreendido seu conteúdo. Se não for esse o caso, entre em contato com a pessoa de contato da Bosch Rexroth ou com o centro de serviço responsável.
- Page 4 Our products are subject to a natural process of wear and aging. © All rights with Bosch Rexroth AG, also in case of applications for industrial property protection. It may not be reproduced or given to third parties without consent of Bosch Rexroth AG.
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Page 5: Table Of Contents
10.1 Cleaning and care 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 RE23177-XH-B/05.21, .WE6..5X/...XM..., .WE6..5X/...XH... Bosch Rexroth AG... - Page 6 6/48 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 Index Bosch Rexroth AG, .WE6..5X/...XM..., .WE6..5X/...XH..., RE23177-XH-B/05.21...
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Page 7: About This Documentation
"General information on damage to property and damage to product" and whenever sequences of actions or instructions are explained which bear the danger of personal injury or damage to property. The hazard avoidance measures described must be observed. RE23177-XH-B/05.21, .WE6..5X/...XM..., .WE6..5X/...XH... Bosch Rexroth AG... - Page 8 The following abbreviations are used in this documentation: Table 4: Abbreviations Abbreviation Meaning ATEX EU Directive for Explosion Protection (Atmosphère explosible) European Standard International Organization for Standardization International Electrotechnical Commission Rexroth document in English language Ingress protection class of electric operating equipment Bosch Rexroth AG, .WE6..5X/...XM..., .WE6..5X/...XH..., RE23177-XH-B/05.21...
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Page 9: Safety Instructions
You can find details about the device group, category, temperature class and equipment protection level (EPL) in accordance with ATEX Directive 2014/34/EU and the derived standards in "Data sheet 23177-XH" under "Information on explosion protection" and on the name plate of the valve. RE23177-XH-B/05.21, .WE6..5X/...XM..., .WE6..5X/...XH... Bosch Rexroth AG... -
Page 10: Improper Use
Changes and/or modifications to the valve are not admissible, refer to 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, .WE6..5X/...XM..., .WE6..5X/...XH..., RE23177-XH-B/05.21... -
Page 11: 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 of the training content can be found online at: http://www.boschrexroth.de RE23177-XH-B/05.21, .WE6..5X/...XM..., .WE6..5X/...XH... Bosch Rexroth AG... -
Page 12: General Safety Instructions
• Only use original Bosch Rexroth accessories and spare parts in order to prevent any hazard to persons due to unsuitable spare parts. • Comply with the technical data and environmental conditions specified in the product documentation. -
Page 13: Product-Specific Safety Instructions
▶ Ensure before working at the hydraulic product that the hydraulic system is depressurized and the electrical control de-energized. ▶ Completely unload the pressure at machines and systems before working at the valve. RE23177-XH-B/05.21, .WE6..5X/...XM..., .WE6..5X/...XH... Bosch Rexroth AG... - Page 14 To prevent the valve from becoming loose and causing a risk of injury: ▶ Replace the valves with corrosion damages as soon as possible. ▶ Regularly check the surface protection on the valve and the valve mounting screws. Bosch Rexroth AG, .WE6..5X/...XM..., .WE6..5X/...XH..., RE23177-XH-B/05.21...
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Page 15: Notes On The Valve Use
The machine end-user of the Bosch Rexroth valve is responsible that • the valve is only being used according to the intended use as defined in these operating instructions. -
Page 16: General Information On Damage To Property And Damage To Product
Ensure that no cleaning agents are able to penetrate the hydraulic system. Environmentally harmful hydraulic fluid! 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. Bosch Rexroth AG, .WE6..5X/...XM..., .WE6..5X/...XH..., RE23177-XH-B/05.21... -
Page 17: 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 valve subplates and valve mounting screws are not included in the scope of delivery and must be ordered separately. See chapter 7.6 "Required accessories". -
Page 18: Product Identification
- according to ATEX Directive 2014/34/EU - for the type of protection of the mechanical part according to EN 80079-38 Mark - according to ATEX Directive 2014/34/EU - for the type of protection of the mechanical part according to EN 80079-36 Bosch Rexroth QR code Bosch Rexroth AG, .WE6..5X/...XM..., .WE6..5X/...XH..., RE23177-XH-B/05.21... - Page 19 Electrical characteristic: Duty cycle according to IEC 34-1 (VDE 0580) Serial number of the valve solenoids CE mark and identification number of the notified body Data matrix code of the valve solenoid manufacturer Year of construction Application note RE23177-XH-B/05.21, .WE6..5X/...XM..., .WE6..5X/...XH... Bosch Rexroth AG...
- Page 20 Potentially explosive atmospheres in which an explosive atmosphere due to stirred dust (= device group II) is normally not present or occurs only rarely or only for a short period of time. Corresponds to zone 22 according to Directive 1999/92/EC. Normal safety level. Bosch Rexroth AG, .WE6..5X/...XM..., .WE6..5X/...XH..., RE23177-XH-B/05.21...
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Page 21: Transport And Storage
Danger of cut injury! ▶ Wear suitable protective equipment for the transport of the valve. Further information regarding transport is available from Bosch Rexroth, see chapter 16.1 "List of addresses". Report any transport damage to your responsible sales contact person within one week. The addresses of the sales subsidiaries can be found on the Internet at: http:/www.boschrexroth.com/addresses... - Page 22 12 months After expiry of the maximum storage time, we recommend having the valve checked by your competent Bosch Rexroth service. In case of questions regarding spare parts, please contact the Bosch Rexroth service responsible for your valve, see chapter 10.6 "Spare parts".
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Page 23: Assembly
It is imperative to ensure 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 23177-XH". RE23177-XH-B/05.21, .WE6..5X/...XM..., .WE6..5X/...XH... Bosch Rexroth AG... -
Page 24: Prior To Assembly
The following accessories are recommended for the connection of the directional valve. These accessories are not included in the scope of delivery and can be ordered separately from Bosch Rexroth: Valve mounting screws For information on the valve mounting screws refer to "Data sheet 23177-XN". -
Page 25: Assembling The Valve
This might cause persons to slip or fall. ▶ Do not remove the protective caps of the valve until assembly. ▶ After disassembly, seal the hydraulic fluid bores with suitable cap elements. ▶ Immediately remove any hydraulic fluid that has leaked out. RE23177-XH-B/05.21, .WE6..5X/...XM..., .WE6..5X/...XH... Bosch Rexroth AG... - Page 26 If the valve is to be used at a reduced maximum pressure and in this connection is to be mounted on connection surfaces of a different material, it might be necessary to use a lower tightening torque in order to exclude any damage. Bosch Rexroth AG, .WE6..5X/...XM..., .WE6..5X/...XH..., RE23177-XH-B/05.21...
- Page 27 Mark all checked fittings, e.g. using a permanent marker. 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. RE23177-XH-B/05.21, .WE6..5X/...XM..., .WE6..5X/...XH... Bosch Rexroth AG...
- Page 28 The use of connection lines with shielding or sheathing can lead to potential backfeeding and is thus an explosion hazard! ▶ Only use connection lines without shielding or sheathing. Bosch Rexroth AG, .WE6..5X/...XM..., .WE6..5X/...XH..., RE23177-XH-B/05.21...
- Page 29 15 cm from the cable and line entry. Connection of the valve solenoid is polarity-independent. Observe the information in EN 60079-38 for the connection and operation of electrical devices and components: Cables used in intrinsically safe systems must correspond with EN 60079-25. RE23177-XH-B/05.21, .WE6..5X/...XM..., .WE6..5X/...XH... Bosch Rexroth AG...
- Page 30 Lead the connection line through the double nipple (2) into the terminal box. The outer sheath of the connection line must lie in the sealing insert (3). Otherwise, explosion protection and the IP protection are no longer ensured. Bosch Rexroth AG, .WE6..5X/...XM..., .WE6..5X/...XH..., RE23177-XH-B/05.21...
- Page 31 (see "Data sheet 23177-XH")! ▶ Plug the mating connector into the connector and lock this by turning clockwise. The connection between mating connector and connector may only be established and interrupted in a de-energized condition. RE23177-XH-B/05.21, .WE6..5X/...XM..., .WE6..5X/...XH... Bosch Rexroth AG...
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Page 32: Commissioning
▶ The connection line must be checked for proper condition by or under the guidance and supervision of a specialized electrician before the initial commissioning or any re-commissioning. ▶ Replace damaged connection lines or damaged plug-in connections. Bosch Rexroth AG, .WE6..5X/...XM..., .WE6..5X/...XH..., RE23177-XH-B/05.21... - Page 33 ▶ Check for internal leakage. The check must be carried out according to the possibilities present at the hydraulic system. An internal leakage can be valve-specific but does not necessarily affect the functionality of the valve. RE23177-XH-B/05.21, .WE6..5X/...XM..., .WE6..5X/...XH... Bosch Rexroth AG...
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Page 34: Operation
Only operate the manual override when the pressure in the tank channel does not exceed 50 bar. Above this pressure value, the actuating force to be applied is too large. ▶ Do not use sharp-edged tools to operate the manual override. Bosch Rexroth AG, .WE6..5X/...XM..., .WE6..5X/...XH..., RE23177-XH-B/05.21... -
Page 35: Maintenance And Repair
Check that all seals and caps of the plug-in connections are firmly fitted so that no humidity can penetrate the valve during cleaning. ▶ Remove external dirt and keep sensitive and important parts like valve solenoids clean. ▶ Remove dust and dirt accumulations from the valve at regular intervals. RE23177-XH-B/05.21, .WE6..5X/...XM..., .WE6..5X/...XH... Bosch Rexroth AG... -
Page 36: Inspection And Maintenance
Check valve for external leakage. Replace seals, if required (see chapter 10.5 "Rectifying external leakages"). Check the red LED (operating state indicator) for correct function or damage (relevant for electrical connection types K20L and CKL). Bosch Rexroth AG, .WE6..5X/...XM..., .WE6..5X/...XH..., RE23177-XH-B/05.21... - Page 37 Replace the cable and line entry each time it is released for spare parts, see chapter 10.6. Re-assemble the cover of the terminal box with the seal beneath it. Tighten the mounting screws with the spring washers diagonally, one after the other. Tightening torque of the cover screws: 1...1.1 Nm. RE23177-XH-B/05.21, .WE6..5X/...XM..., .WE6..5X/...XH... Bosch Rexroth AG...
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Page 38: Maintenance Schedule
38/48 Maintenance and repair 10.3 Maintenance schedule Valves require low maintenance if used as intended. For a long and reliable operation of the valve, Bosch Rexroth recommends regularly checking the hydraulic system and the valve. 10.3.1 Checking for leakage Check the valve for leakage. An early detection of hydraulic fluid loss may help you to identify and remedy errors. -
Page 39: Spare Parts
In case of questions about spare parts, please contact your responsible Bosch Rexroth Service: Bosch Rexroth AG Service Hydraulics Bürgermeister-Dr.-Nebel-Str. 8 97816 Lohr am Main Tel: +49 (0) 9352/40 50 60 service@boschrexroth.de For the addresses of our sales and service network please refer to: www.boschrexroth.com/adressen RE23177-XH-B/05.21, .WE6..5X/...XM..., .WE6..5X/...XH... Bosch Rexroth AG... -
Page 40: Disassembly And Removal
Close the hydraulic channels of the subplate (on the customer side) to avoid contamination. If the valve is exchanged, all further steps are analogous to mounting, see chapter 7 "Assembly". Bosch Rexroth AG, .WE6..5X/...XM..., .WE6..5X/...XH..., RE23177-XH-B/05.21... -
Page 41: Disposal
The materials for disposable packaging are mostly cardboard, wood, and expanded polystyrene. They can be recycled without any problems. For environmental 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 42 – Has the valve and/or the machine been 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 if required. Bosch Rexroth AG, .WE6..5X/...XM..., .WE6..5X/...XH..., RE23177-XH-B/05.21...
- Page 43 Following faults due to contamination, in addition to the repair, it is essential to check the oil quality and improve it, if necessary, by suitable measures such as flushing or the additional installation of filters. 15 Technical data For the technical data of your valve please refer to "Data sheet 23177-XH". RE23177-XH-B/05.21, .WE6..5X/...XM..., .WE6..5X/...XH... Bosch Rexroth AG...
- Page 44 Email service@boschrexroth.de Headquarters Bosch Rexroth AG Zum Eisengießer 1 97816 Lohr am Main Germany Phone +49 (0) 9352/40 30 20 Email my.support@boschrexroth.de The addresses of our sales and service network and sales organizations can be found at www.boschrexroth.com/addresses Bosch Rexroth AG, .WE6..5X/...XM..., .WE6..5X/...XH..., RE23177-XH-B/05.21...
- Page 45 Declaration of conformity 45/48 17 Declaration of conformity RE23177-XH-B/05.21, .WE6..5X/...XM..., .WE6..5X/...XH... Bosch Rexroth AG...
- Page 46 General safety instructions Transport and storage Troubleshooting ▶ I Improper use ▶ U Inspection and maintenance Unpacking Installation conditions Intended use ▶ V Validity of the documentation ▶ L Valve insert Leakage Valve subplate Leak test Bosch Rexroth AG, .WE6..5X/...XM..., .WE6..5X/...XH..., RE23177-XH-B/05.21...
- Page 47 Index 47/48 RE23177-XH-B/05.21, .WE6..5X/...XM..., .WE6..5X/...XH... Bosch Rexroth AG...
- Page 48 Bosch Rexroth AG Zum Eisengießer 1 97816 Lohr am Main Germany Tel: +49 (0) 9352/40 30 20 my.support@boschrexroth.de www.boschrexroth.com Subject to change without notice Printed in Germany RE23177-XH-B/05.21...