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Bosch Rexroth 4WS2EM 10 Series User Manual

Bosch Rexroth 4WS2EM 10 Series
48 pages
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Operating instructions
RE29583-XL-B/09.20
Replaces: 01.18
Document no.: RA87650010_AA
English
Directional servo valve with
mechanical position feedback
(Area of application accordingto the Explosion Protection
Directive2014/34/EU: II3G)
Type 4WS2EM 10...XL...
TM
R
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Bosch Rexroth 4WS2EM 10 Series Specifications

General IconGeneral
CategoryControl Unit
Operating Pressure315 bar
Housing MaterialAluminum
Protection ClassIP65
Series10
Flow Rate10 l/min

Summary

About this documentation

Validity of the documentation

Describes which products this documentation applies to and how to identify the valve type.

Required and amending documentation

Lists related documents, including data sheets and declaration of conformity.

Representation of information

Explains the use of symbols, terms, and abbreviations for clear understanding.

Safety instructions presentation

Details how safety instructions are presented with signal words and risk classes.

Document symbols explained

Explains the meaning of symbols used in the document for better comprehension.

Abbreviations used

Provides a list of abbreviations commonly used in the documentation.

Safety instructions

General information on safety

General advice on reading and keeping the documentation accessible.

Intended use of the product

Defines the product's purpose and limitations, including for explosive atmospheres.

Improper use of the product

Lists prohibited uses that deviate from the intended application.

Qualification of personnel

Specifies the required expertise for installation and commissioning.

General safety instructions

General rules for safe operation, including regulations and product condition.

Product-specific safety instructions

Specific warnings for explosion hazards, flammable fluids, and temperature limits.

Personal protective equipment

Lists the necessary personal protective equipment for safe operation.

Obligations of the machine end-user

Defines the responsibilities of the end-user for product compliance and safety.

General information on damage to property and damage to the product

Scope of delivery

Product information

Product identification

Details how to identify the product using its name plate information.

Explosion protection marking

Explains explosion protection zones, device groups, and categories for safe use.

Temperature classes for device group II

Details the temperature classes and their corresponding maximum surface temperatures.

Type of protection

Describes the different types of protection measures against ignition in explosive atmospheres.

Transport and storage

Valve transport

Guidelines and precautions for safely transporting the hydraulic valve.

Storing the hydraulic valve

Specifies conditions for proper storage to prevent damage.

Installation

Unpacking the valve

Instructions for safely unpacking the product.

Changes to the surface protection

Warning against modifying surface protection, which voids explosion protection.

Installation conditions

Requirements for environmental conditions and cleanliness during installation.

Prior to assembly checks

Checks to perform before starting the assembly process.

Required tools for installation

Lists the standard tools needed for assembling the valve.

Recommended accessories

Lists accessories recommended for valve connection.

Assembling the valve

Detailed steps for assembling the valve components.

Installing the valve in the system

Instructions for mounting the valve into the overall system.

Hydraulic connection of the valve

Procedures for connecting hydraulic lines and hoses to the valve.

Connecting the power supply

Steps for connecting the electrical power supply to the valve.

Commissioning

Checking electrical connections

Procedure for verifying electrical connections before initial commissioning.

Performing a functional test

Guidance on checking the hydraulic functions at low pressure.

Performing a leak test

Ensuring no hydraulic fluid leaks occur during operation.

Operation

General operation information

General guidelines, warnings about dust accumulation and noise.

Maintenance and repair

Cleaning and care

Instructions for cleaning and maintaining the valve's condition.

Inspection and maintenance

General procedures for inspecting and maintaining the valve.

Maintenance schedule

Recommended schedule and checks for ensuring long-term reliability.

Repair procedures

Warning against improper repair and guidelines for authorized repairs.

Exchanging the filter element

Step-by-step guide for replacing the filter element.

Rectifying external leakages

Procedures for fixing external leaks at connection surfaces and filter screws.

Spare parts information

Lists available spare parts and their material numbers.

Disassembly and removal

Disposal

Environmental protection during disposal

Guidelines for environmentally friendly disposal of the valve and fluid.

Return to Bosch Rexroth AG

Procedure for returning the product to the manufacturer for disposal.

Packaging for disposal

Information on packaging materials used for disposable packaging.

Materials used in the valve

Lists the basic materials that the hydraulic valves consist of.

Recycling of hydraulic products

Information on recycling hydraulic products due to their high metal content.

Extension and modification

Troubleshooting

How to proceed for troubleshooting

Systematic approach to identifying and resolving faults in the valve and system.

Technical data

Appendix

List of addresses

Contact information for transport damage, repair, spare parts, and sales.

Declaration of conformity