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Bosch Rexroth WMM6 Series Operating Instructions Manual

Directional spool valves, direct-operated, with manual actuation
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Directional spool valves,
direct-operated,
with manual actuation
(Area of application in accordance with the explosion protection
directive 2014/34/EU: I M2, II 2G, II 2D)
Type WMM6..5X/...XC...
<Fill this space with our product fig-
ure>
Operating instructions
RE22280-XC-B/09.19
Replaces: 04.16
Document no.: RA78498505_AA
English

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  Summary of Contents for Bosch Rexroth WMM6 Series

  • Page 1 Directional spool valves, direct-operated, with manual actuation (Area of application in accordance with the explosion protection directive 2014/34/EU: I M2, II 2G, II 2D) Type WMM6..5X/...XC... Replaces: 04.16 Operating instructions Document no.: RA78498505_AA RE22280-XC-B/09.19 English <Fill this space with our product fig- ure>...
  • 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.
  • 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 12.5 Recycling RE22280-XC-B/09.19, WMM6..5X/...XC... Bosch Rexroth AG...
  • Page 6 6/40 Extension and modification Troubleshooting and fault correction 14.1 How to proceed for troubleshooting Technical data Appendix 16.1 List of addresses Declaration of conformity Index Bosch Rexroth AG, WMM6..5X/...XC..., RE22280-XC-B/09.19...
  • Page 7: About This Documentation

    "Product-specific safety instructions" and in chapter 3 "General information on damage to property and damage to product" and whenever a sequence of actions or instructions is explained which bear the danger of personal injury or damage to property. The hazard avoidance measures described must be observed. RE22280-XC-B/09.19, WMM6..5X/...XC... Bosch Rexroth AG...
  • Page 8 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 Directive for Explosion Protection (Atmosphère explosible) European Standard International Organization for Standardization Bosch Rexroth AG, WMM6..5X/...XC..., RE22280-XC-B/09.19...
  • Page 9: Safety Instructions

    You can find details about the device group, category, temperature class/surface temperature and equipment protection level (EPL) in accordance with ATEX directive 2014/34/EU and the derived standards in "Data sheet 22280-XC" under "Information on explosion protection" and on the name plate of the valve. RE22280-XC-B/09.19, WMM6..5X/...XC... 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, WMM6..5X/...XC..., RE22280-XC-B/09.19...
  • 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. Please find an overview of the training contents on the Internet at: http://www.boschrexroth.de/didactic...
  • 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.
  • Page 13: Product-Specific Safety Instructions

    Risk of burning! ▶ Provide for a suitable touch guard. ▶ During operation, only touch the valve using heat-protective gloves. Allow the valve to cool down to room temperature before touching it directly with your hands during maintenance work. RE22280-XC-B/09.19, WMM6..5X/...XC... Bosch Rexroth AG...
  • Page 14 Regularly check the surface protection on the valve and the valve mounting screws. Contact with salt water leads to increased corrosion on the valve. This can lead to chemical corrosion of individual valve components. So take suitable corrosion protection measures. Bosch Rexroth AG, WMM6..5X/...XC..., RE22280-XC-B/09.19...
  • Page 15: Notices 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, WMM6..5X/...XC..., RE22280-XC-B/09.19...
  • 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 mounting screws are not included in the scope of delivery and must be ordered separately.
  • Page 18: Product Identification

    - for the type of protection of the mechanical part according to EN 80079-38 Other 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 Other mark - according to ATEX directive 2014/34/EU - for the type of protection of the mechanical part according to EN 80079-36...
  • Page 19 Corresponds to zone 21 according to directive 1999/92/EC. High safety level. Potentially explosive areas where an explosive atmosphere due to stirred dust (= device group II) is normally not present or occurs only rarely or short-time. Corresponds to zone 22 according to directive 1999/92/EC. Normal safety level. RE22280-XC-B/09.19, WMM6..5X/...XC... Bosch Rexroth AG...
  • Page 20: Transport And Storage

    Danger of cut injuries! ▶ 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". Notify your responsible sales contact person 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 21 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".
  • Page 22: 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 22280-XC". Bosch Rexroth AG, WMM6..5X/...XC..., RE22280-XC-B/09.19...
  • Page 23: Prior To Assembly

    In order to assemble the valve, you need standard tools only. 7.6 Required accessories The following accessories are recommended for the connection of the valve. These accessories are not included in the scope of delivery and can be ordered separately from Bosch Rexroth: Valve mounting screws Table 7: Valve mounting screws Type...
  • Page 24: Assembling The Valve

    ▶ Do not remove the protective caps of the valve until assembly. ▶ After disassembly, seal the hydraulic fluid bores with suitable cap elements. ▶ Immediately remove hydraulic fluid that has leaked out. Bosch Rexroth AG, WMM6..5X/...XC..., RE22280-XC-B/09.19...
  • Page 25 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. RE22280-XC-B/09.19, WMM6..5X/...XC... Bosch Rexroth AG...
  • Page 26 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. Bosch Rexroth AG, WMM6..5X/...XC..., RE22280-XC-B/09.19...
  • Page 27: Commissioning

    ▶ Check whether there is an 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. RE22280-XC-B/09.19, WMM6..5X/...XC... Bosch Rexroth AG...
  • Page 28: 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 and fault correction". Bosch Rexroth AG, WMM6..5X/...XC..., RE22280-XC-B/09.19...
  • Page 29: Maintenance And Repair

    The date of manufacture of the valve can be found on the name plate, see chapter 5.1.1 "Information on the name plate". RE22280-XC-B/09.19, WMM6..5X/...XC... Bosch Rexroth AG...
  • Page 30: Maintenance Schedule

    Check the valve for external leakage; replace the sealing devices, if required (see chapter 10.5 "Rectifying external leakages"). 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.
  • Page 31: Rectifying External Leakages

    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 RE22280-XC-B/09.19, WMM6..5X/...XC... Bosch Rexroth AG...
  • Page 32: 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, WMM6..5X/...XC..., RE22280-XC-B/09.19...
  • Page 33: 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 34: Recycling

    What were they? – Was the valve and/or the 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, if necessary. Bosch Rexroth AG, WMM6..5X/...XC..., RE22280-XC-B/09.19...
  • Page 35 +49 (0) 9352/40 50 60 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/adressen RE22280-XC-B/09.19, WMM6..5X/...XC... Bosch Rexroth AG...
  • Page 36 36/40 Declaration of conformity 17 Declaration of conformity Bosch Rexroth AG, WMM6..5X/...XC..., RE22280-XC-B/09.19...
  • Page 37 ▶ U Installation conditions Unpacking Intended use ▶ V ▶ L Validity of the documentation List of addresses ▶ M Maintenance and repair Maintenance schedule Modification ▶ N Name plate ▶ O Obligations of the machine end-user Operation RE22280-XC-B/09.19, WMM6..5X/...XC... Bosch Rexroth AG...
  • Page 38 38/40 Declaration of conformity Bosch Rexroth AG, WMM6..5X/...XC..., RE22280-XC-B/09.19...
  • Page 39 Declaration of conformity 39/40 RE22280-XC-B/09.19, WMM6..5X/...XC... Bosch Rexroth AG...
  • Page 40 Bosch Rexroth AG Zum Eisengießer 1 97816 Lohr a. Main Germany Tel: +49 (0) 9352/40 30 20 my.support@boschrexroth.de www.boschrexroth.com Subject to change without notice Printed in Germany RE22280-XC-B/09.19...