Bosch Rexroth WMM6 Series Operating Instructions Manual Download

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Operating instructions
RE22280-XC-B/09.19

Replaces: 04.16
Document no.: RA78498505_AA

English

Directional spool valves,

direct-operated,

with manual actuation

Type WMM6..5X/...XC...

(Area of application in accordance with the explosion protection

directive 2014/34/EU:

I M2, II 2G, II 2D)

Summary of Contents for Rexroth WMM6 Series

Page 1: ...ructions RE22280 XC B 09 19 Replaces 04 16 Document no RA78498505_AA English Directional spool valves direct operated with manual actuation Type WMM6 5X XC Area of application in accordance with the explosion protection directive 2014 34 EU I M2 II 2G II 2D ...

Page 2: ...ι αυτές οι προϋποθέσεις απευθυνθείτε στους κατά τόπους αντιπροσώπους της Bosch Rexroth ή σε κάποιο εξουσιοδοτημένο σέρβις Για τα σχετικά στοιχεία επισκεφτείτε την ιστοσελίδα www boschrexroth com ES La puesta en marcha de este producto únicamente podrá realizarse cuando disponga de las instrucciones de servicio en una lengua oficial de la UE comprensible para usted y haya entendido su contenido En ...

Page 3: ...mpreendido 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 Você também pode encontrá las em www boschrexroth com RO Aveţi voie să puneţi în funcţiune acest produs doar dacă aveţi acest manual de utilizare într o limbă oficială a UE pe care o înţelegeţi şi după ce aţi înţeles conţinutul Dacă aceste condiţii nu sunt...

Page 4: ...he user from the obligation of own judgment and verification 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 The cover shows an example configuration The product supplied may therefore differ from the...

Page 5: ... 16 4 Scope of delivery 17 5 Product information 17 5 1 Product identification 18 6 Transport and storage 20 6 1 Valve transport 20 6 2 Storing the hydraulic valve 20 7 Assembly 22 7 1 Unpacking 22 7 2 Changes to the surface protection of the valve 22 7 3 Installation conditions 22 7 4 Prior to assembly 23 7 5 Required tools 23 7 6 Required accessories 23 7 7 Assembling the valve 24 8 Commissionin...

Page 6: ...280 XC B 09 19 13 Extension and modification 34 14 Troubleshooting and fault correction 34 14 1 How to proceed for troubleshooting 34 15 Technical data 35 16 Appendix 35 16 1 List of addresses 35 17 Declaration of conformity 36 18 Index 37 ...

Page 7: ... been provided with the documentation marked with the book symbol and you have understood and observed it Table 1 Required and amending documentation Title Document number Document type Directional spool valves direct operated with manual actuation 22280 XC Data sheet General product information on hydraulic products 07008 Data sheet Subplates 45100 Data sheet Declaration of conformity WMM6 5X XC ...

Page 8: ...rous situation which may cause death or severe injury if not avoided CAUTION Indicates a dangerous situation which may cause minor or moderate personal injury if not avoided NOTICE Damage to property The product or the environment could be damaged 1 3 2 Symbols The following symbols indicate notices which are not safety relevant but increase the comprehensibility of the documentation Table 3 Meani...

Page 9: ...sible to all users at all times Always include the required documentation when you pass the product on to third parties 2 2 Intended use The product is a hydraulic component You may use the product as follows as a direct operated directional spool valve with manual actuation for intended use in explosive atmospheres The product is intended for professional use only private use is excluded Intended...

Page 10: ...r and thus inadmissible The installation or use of inappropriate products in safety relevant applications could result in unintended operating states when being used which in turn could cause personal injuries and or damage to property Therefore only use a product for safety relevant applications if this use is expressly specified and permitted in the documentation of the product e g in explosion ...

Page 11: ...expert knowledge refers to the following Reading and completely understanding hydraulic schemes In particular completely understanding the correlations regarding the safety equipment and having knowledge of the function and set up of hydraulic components Personnel shall be qualified as follows to the extent necessary to fulfill their tasks Understanding of the general principles of explosion prote...

Page 12: ... hazard to persons due to unsuitable spare parts Comply with the technical data and environmental conditions specified in the product documentation The installation or use of inappropriate products in safety relevant applications could result in unintended operating states when being used which in turn could cause personal injuries and or damage to property Therefore only use a product for safety ...

Page 13: ... and cover may in an explosive atmosphere lead to spark formation and thus to explosion The hand lever may only be operated manually The use of aids to increase the adjustment force or adjustment speed is not admissible Explosion hazard due to mechanically generated sparks A mechanically generated spark by hitting an external component onto the hand lever may in an explosive atmosphere lead to exp...

Page 14: ...e In the worst case this may result in unexpected system movements and thus constitute a risk of injury for persons Ensure an adequate hydraulic fluid cleanliness according to the details in the data sheet over the entire operating range Leakage in case of incorrect working temperatures Use of the valve outside the approved temperature range may lead to permanent leakage at the valves Thus hydraul...

Page 15: ...has to be preloaded to at least 2 bar 2 8 Personal protective equipment The machine end user must provide the personal protective equipment such as gloves working shoes safety goggles working clothes etc 2 9 Obligations of the machine end user The machine end user is obligated to check in the order confirmation whether the delivered valve corresponds to the required category and associated zone or...

Page 16: ...it Dirt and foreign particles in the valve Penetrating dirt and foreign particles in the valve lead to wear and malfunctions The safe function of the valve can no longer be ensured During installation ensure utmost cleanliness in order to prevent foreign particles such as welding beads or metal chips from getting into the hydraulic lines Before commissioning ensure that all hydraulic connections a...

Page 17: ... scope of delivery for completeness 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 See chapter 7 6 Required accessories 5 Product information For inf...

Page 18: ...nd week 7 Maximum operating pressure 8 Ambient temperature range 9 Hydraulic symbol according to ISO 1219 10 Designation of origin 11 Name and address of the manufacturer 12 Customer s or production order number 13 Customer material number or additional information 14 CE mark 15 Explosion protection mark 16 Mark according to ATEX directive 2014 34 EU for the type of protection of the mechanical pa...

Page 19: ...safety level II 1G Potentially explosive atmospheres in which explosive gases mists or vapors device group II occur permanently or for a long time or frequently Corresponds to zone 0 according to directive 1999 92 EC Very high safety level 0 1 2 II 2G Potentially explosive areas where explosive gases mists or vapors device group II are occasionally present Corresponds to zone 1 according to direct...

Page 20: ...onal health and safety and transport Do not transport the valve using components with little stability Sharp edges 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 add...

Page 21: ...st be closed properly again for storage Use the original packaging for storage 1 Check the complete valve for damages and corrosion prior to installation 2 In a test run check the valve for correct function and leak tightness 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 conta...

Page 22: ... packaging from the top Dispose of the packaging in accordance with the national regulations of your country 7 2 Changes to the surface protection of the valve WARNING Explosion hazard due to modifications to the valve In the event of changes to the surface protection of the valve the following must be observed The valve housing may only be painted according to the provisions of EN 80079 36 sectio...

Page 23: ...sport protection elements e g cover plates protective plugs must be removed prior to use in an explosive atmosphere 7 5 Required tools 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 Rexro...

Page 24: ... suitable for the weight of the valve Observe the tightening torques screw stability and the minimum length of the valve mounting screws Explosion hazard due to missing equipotential bonding Electrostatic processes or a missing equipotential bonding may lead to an explosion Apart from this malfunctions or uncontrolled movements at the machine may be caused Provide for correct grounding and provide...

Page 25: ...become necessary later 4 Dry the valve connection surface using suitable cleaning materials 5 Check the seal rings at the valve connection surface for completeness Other sealants are not admissible 6 Check whether the pressure connecting line is connected with P and the return line with T at the subplate Exchanging P and T may cause damage at the valve in case of pressurization 7 Place the valve o...

Page 26: ...Establish all connections observing the operating instructions of the system 3 Make sure that pipes and or hoses are connected to all ports and or that the ports are closed with plug screws 4 Carry out a special check to make sure that the cap nuts and flanges are correctly tightened at the pipe fittings and flanges Mark all checked fittings e g using a permanent marker 5 Make sure that all pipes ...

Page 27: ...missible operating pressure is secured by means of a pressure relief valve Damage to persons and property Commissioning of the valve requires basic hydraulic and electrical knowledge Only qualified personnel see chapter 2 4 Qualification of personnel is authorized to commission the valve Proceed as described in the following sections to commission the valve Observe the operating instructions of th...

Page 28: ...m dust layer thickness is not exceeded Regularly remove dust accumulations if required CAUTION Loud noise An unfavorable arrangement of valves results in resonance or fluid noises such as whistling In continuous operation these noises may cause hearing damage in persons or damage at the valves In this case contact a service engineer Only use the valve within the performance range provided in Data ...

Page 29: ...e following Close all openings with appropriate protective caps devices Ensure that all seals are firmly attached so that no humidity can penetrate the valve during cleaning Remove external dirt and keep sensitive and important parts clean Remove dust and dirt accumulations on the valve at regular intervals 10 2 Inspection and maintenance WARNING Uncontrolled machine movements Risk of injury due t...

Page 30: ...egularly 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 Bosch Rexroth therefore recommends that you keep the valve and or the system permanently clean 10 3 2 Checking for noise development Check the valve for noise development Based on noise development or the ...

Page 31: ...le the valve at the contact surface see chapter 7 Assembly 10 6 Spare parts Table 8 Spare part seal kit for the valve connection surface Spare part Material number FKM seal kit for the valve connection surface R961000838 NBR seal kit for the valve connection surface R961000837 Table 9 Valve mounting screws Type Quantity Friction coefficient according to VDA 235 101 Material number Hexagon socket h...

Page 32: ...hs and medium binding materials ready in order to collect or bind leaking hydraulic fluid 1 De energize and de pressurize the relevant system part 2 Prepare a container for collecting leaking hydraulic fluid 3 Use suitable tools to loosen the valve mounting screws of the valve 4 Remove the valve mounting screws and remove the valve from the mounting surface 5 Collect escaping hydraulic fluid in th...

Page 33: ...when products are returned Valves must be drained before being returned The components have to be delivered free to the following address Bosch Rexroth AG Service Industriehydraulik Industrial Hydraulics Service Bürgermeister Dr Nebel Straße 8 97816 Lohr am Main Germany 12 3 Packaging Upon request reusable systems can be used for regular deliveries The materials for disposable packaging are mostly...

Page 34: ...ys work systematically and purposefully even when under time pressure In the worst case random thoughtless disassembly and changing settings might result in the inability to identify the original cause of error First get an overview of the functions of the valve in conjunction with the overall system Try to find out whether the valve has worked properly in conjunction with the overall system befor...

Page 35: ... and replace it with a new one Following faults due to contamination in addition to the repair it is essential to check the oil quality and improve it if necessary with 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 22280 XC 16 Appendix 16 1 List of addresses Bosch Rexroth AG Bürgermeist...

Page 36: ...36 40 Declaration of conformity Bosch Rexroth AG WMM6 5X XC RE22280 XC B 09 19 17 Declaration of conformity ...

Page 37: ...ion conditions 22 Intended use 9 L List of addresses 35 M Maintenance and repair 29 Maintenance schedule 30 Modification 34 N Name plate 18 O Obligations of the machine end user 15 Operation 28 P Packaging 33 Personal protective equipment 15 Q Qualification of personnel 11 R Recycling 34 Repair 30 Representation of information 7 Required accessories 23 S Safety instructions 9 Scope of delivery 17 ...

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 ...

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