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Related Manuals for Bosch Rexroth DB 5X XC Series
Summary of Contents for Bosch Rexroth DB 5X XC Series
- Page 1 Pressure relief valve, pilot-operated (Area of application in accordance with the explosion protection directive 2014/34/EU: IM2; II2G; II2D) Type DB...5X/...XC Replaces: 10.17 Operating instructions Document no.: RA78451570_AA RE25802-XC-B/07.19 English <Fill this space with our product fig- ure>...
- Page 2 IT: La messa in servizio di questo prodotto può essere eseguita solo se si dispone del presente manuale d‘uso in una lingua ufficiale della UE conosciuta e se ne è stato compreso il contenuto. In caso contrario rivolgersi al referente Bosch Rexroth o al punto di assistenza competente.
- Page 3 SK: Tento výrobok sa môže uviesť do prevádzky až po predložení tohto návodu na obsluhu v pre vás zrozumiteľnom úradnom jazyku EÚ a po oboznámení sa s jeho obsahom. Ak to nie je váš prípad, obráťte sa na vašu kontaktnú osobu Bosch Rexroth alebo na príslušné...
- Page 4 © 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. The cover shows an example configuration. The product supplied may therefore differ from the figure shown.
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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 leakage 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 RE25802-XC-B/07.19, DB...5X/...XC Bosch Rexroth AG... - Page 6 6/44 12.5 Recycling Extension and modification 13.1 Modification of the valve to solenoid-actuated unloading 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, DB...5X/...XC, RE25802-XC-B/07.19...
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Page 7: About This Documentation
In this documentation, safety instructions are included in chapter 2.6 "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. RE25802-XC-B/07.19, DB...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 Explosion Protection Directive (Atmosphère explosible) European Standard European Community Deutsche Industrienorm (German Industry Standard) Bosch Rexroth AG, DB...5X/...XC, RE25802-XC-B/07.19...
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Page 9: Safety Instructions
The valve may only be operated in a technically perfect condition and used as described in these operating instructions. The connection conditions, application conditions and performance data defined in these operating instructions must not be changed. RE25802-XC-B/07.19, DB...5X/...XC Bosch Rexroth AG... -
Page 10: Improper Use
"Extension and modification". This does not apply to the "Modification of the valve to solenoid-actuated unloading", see chapter 13.1 "Modification of the valve to solenoid-actuated unloading". 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, DB...5X/...XC, RE25802-XC-B/07.19... -
Page 11: Qualification Of Personnel
• Understanding of the additional importance of work authorization systems and safe electrical isolation with regards to the 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. • Comply with the technical data and environmental conditions specified in the product documentation. -
Page 13: Product-Specific Safety Instructions
Non-compliance with functional safety! The valve controls movements in machines or systems. In case of mechanical and electric faults, e.g. failure of the energy supply, persons may be caught by the system, kicked away or bruised. ▶ During set-up of your circuit, observe functional safety e.g. according to EN ISO 13849. RE25802-XC-B/07.19, DB...5X/...XC Bosch Rexroth AG... -
Page 14: Notes On The Valve Use
If the outflow of the hydraulic fluid from this chamber is obstructed, pressure on the cylinder may result in a pressure intensification that may damage cylinder chamber, supply line and valve. ▶ The valve must always be filled with hydraulic fluid. Bosch Rexroth AG, DB...5X/...XC, RE25802-XC-B/07.19... -
Page 15: Personal Protective Equipment
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 equipment protection level. 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. 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. Bosch Rexroth AG, DB...5X/...XC, RE25802-XC-B/07.19... -
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 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 Information
Name and address of the manufacturer Customer's or production order number Customer material number or additional information CE mark Explosion protection mark Mark according to ATEX directive 2014/34 EU and for type of protection according to EN ISO 80079-38 Bosch Rexroth AG, DB...5X/...XC, RE25802-XC-B/07.19... - Page 19 Corresponds to zone 21 according to directive 1999/92/EC. High safety level. 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. Normal safety level. RE25802-XC-B/07.19, DB...5X/...XC Bosch Rexroth AG...
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Page 20: Transport And Storage
Danger of cut injuries! ▶ Wear suitable protective equipment for the transport of the safety 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 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". Following disassembly If a dismounted valve is to be stored, it has to be preserved for protection against corrosion for the duration of storage.
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Page 22: Assembly
For installing the product always observe the environmental conditions specified in "Data sheet 25802-XC". ▶ 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 25802-XC". Bosch Rexroth AG, DB...5X/...XC, RE25802-XC-B/07.19... -
Page 23: Prior To Assembly
Subplates with dimensions for valves with porting pattern according to ISO 6264 are listed in the "Data sheet 45100". Ordering address The address of our responsible sales organizations can be found on the Internet on for accessories and valves www.boschrexroth.com and in the appendix 16.1 "List of addresses". RE25802-XC-B/07.19, DB...5X/...XC Bosch Rexroth AG... -
Page 24: Assembling The Valve
Consequently, persons may slip or fall. ▶ Only remove the protective caps of valve directly before the assembly. ▶ After the disassembly, provide the bores containing the hydraulic fluid with suitable closing elements. ▶ Immediately remove leaked hydraulic fluid. Bosch Rexroth AG, DB...5X/...XC, RE25802-XC-B/07.19... - Page 25 The tightening torque refers to the maximum admissible operating pressure. For variants with external pilot oil discharge (Y), observe the information in chapter 7.7.2 "Assembly of valves with threaded connection". RE25802-XC-B/07.19, DB...5X/...XC Bosch Rexroth AG...
- Page 26 Check whether at the threaded connections of the valve, the pressure connecting line is connected to P and, if applicable, to X. Check whether at the threaded connections of the valve, the return line is connected to T and, if applicable, to Y. Bosch Rexroth AG, DB...5X/...XC, RE25802-XC-B/07.19...
- Page 27 To avoid exceeding the maximum admissible operating pressure, the operating pressure must be checked using a suitable measuring device during adjustments. RE25802-XC-B/07.19, DB...5X/...XC Bosch Rexroth AG...
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Page 28: Commissioning
Performing the leak test Check whether during operation hydraulic fluid leaks at the valve and at the ports. Information on the The released operating media and limitations of operation for your valve are hydraulic fluid contained in "Data sheet 25802-XC". Bosch Rexroth AG, DB...5X/...XC, RE25802-XC-B/07.19... -
Page 29: Operation
- discharge lines of valves end in a risk-free way - no fluid can accumulate in the discharge lines. 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". RE25802-XC-B/07.19, DB...5X/...XC Bosch Rexroth AG... -
Page 30: Setting The Valve To The Desired Response Pressure
(Ma = 30 ± 3 Nm). Make sure that the seal is available and correctly seated. To prevent dust from entering the adjustment device, the nut must be countered at the valve body. Bosch Rexroth AG, DB...5X/...XC, RE25802-XC-B/07.19... -
Page 31: Maintenance And Repair
10.2 Inspection and maintenance WARNING Uncontrolled machine movements! Risk of injury due to maintenance work at an activated machine. ▶ Unless expressly prescribed otherwise, deactivate the machine via the main switch, lock it and remove the key before carrying out works. RE25802-XC-B/07.19, DB...5X/...XC Bosch Rexroth AG... -
Page 32: Maintenance Schedule
10.3.1 Checking for leakage Check the valve for leakage. 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. -
Page 33: Repair
Check whether the surface for the seal ring is clean and intact. Screw the plug screw in again and tighten it using a torque power screwdriver and a tightening torque of 30 ± 3 Nm. Make sure that the seal is available and correctly seated. RE25802-XC-B/07.19, DB...5X/...XC Bosch Rexroth AG... -
Page 34: Spare Parts
Danger of damage to property and personal injuries at energized or pressurized system parts! For works at pressurized or energized system parts, there is a danger of injury by escaping hydraulic fluid or electric energy. ▶ Before disassembly, ensure that the hydraulic system is depressurized, and the electrical control is de-energized. Bosch Rexroth AG, DB...5X/...XC, RE25802-XC-B/07.19... -
Page 35: Disposal
Thus, dispose of the product and the hydraulic fluid in accordance with the currently applicable national regulations in your country. ▶ Dispose of hydraulic fluid residues according to the applicable safety data sheets for these hydraulic fluids. ▶ Please observe the following information for the environmentally-friendly disposal of the valve. RE25802-XC-B/07.19, DB...5X/...XC Bosch Rexroth AG... -
Page 36: Return To Bosch Rexroth Ag
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 37: Extension And Modification
After disassembly of the cover plate (2) and the sealing plate (3), see below, they must not be reattached at the pressure relief valve. ▶ In case reassembly of the cover plate and the sealing plate is required, send the pressure relief valve to Bosch Rexroth, see chapter 16.1 "List of addresses". RE25802-XC-B/07.19, DB...5X/...XC Bosch Rexroth AG... - Page 38 Assemble the directional valve. In this connection, observe the operating instructions of the directional valve. Only the screws specified in the relevant operating instructions and the prescribed tightening torque may be used for mounting. Establish the electrical connection, see operating instructions of the directional valve. Bosch Rexroth AG, DB...5X/...XC, RE25802-XC-B/07.19...
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Page 39: Troubleshooting And Fault Correction
Set a different response pressure, at excessive pressure. wrongly. see chapter 9.2 "Setting the valve to the desired response pressure" Valve is oscillating The valve, together Find cause and take remedial action with other components, constitutes an oscillating system in which there are regulating oscillations. RE25802-XC-B/07.19, DB...5X/...XC Bosch Rexroth AG... - Page 40 40/44 Troubleshooting and fault correction Error Possible cause(s) Remedy Sealing of the The lead seal has been Send valve to Bosch Rexroth for repair, connection between destroyed by the operating see chapter 16.1 "List of addresses". main stage and personnel or mechanical pilot control valve influence. is damaged or missing.
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Page 41: Technical Data
+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 RE25802-XC-B/07.19, DB...5X/...XC Bosch Rexroth AG... -
Page 42: Declaration Of Conformity
42/44 Declaration of conformity 17 Declaration of conformity Bosch Rexroth AG, DB...5X/...XC, RE25802-XC-B/07.19... -
Page 43: Index
Inspection and maintenance Installation conditions ▶ V Intended use Valve use ▶ L List of addresses ▶ M Maintenance schedule Modification ▶ N Name plate ▶ O Obligations of the machine end-user Operation ▶ P Personal protective equipment RE25802-XC-B/07.19, DB...5X/...XC Bosch Rexroth AG... - Page 44 Bosch Rexroth AG Zum Eisengießer 1 97816 Lohr a. Main Germany Phone +49 (0) 9352/40 30 20 my.support@boschrexroth.de www.boschrexroth.com Subject to change without notice Printed in Germany RE25802-XC-B/07.19...