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Bosch Rexroth M4-12 User Manual

Bosch Rexroth M4-12
32 pages
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Repair manual
RE 64276-01-R/10.2017
Replaces: 10.2014
English
Load sensing control block
M4-12
Basic document
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Bosch Rexroth M4-12 Specifications

General IconGeneral
BrandBosch
ModelRexroth M4-12
CategoryControl Unit
LanguageEnglish

Summary

About this manual

Validity of the documentation

This documentation applies to the Load sensing control block M4-12.

Required and supplementary documentation

Lists required and supplementary documentation for commissioning the product.

Display of information

Safety instructions

Explains the structure and types of safety instructions used in the manual.

Symbols

Explains symbols used to increase understanding of the manual, not directly relevant to safety.

Designations

Lists designations used in the documentation for components and terms.

Abbreviations

Lists abbreviations used throughout the manual for technical terms.

Safety instructions

About this section

Emphasizes reading the instruction manual thoroughly before working on the product.

Personnel qualifications

Defines skilled personnel and specialist knowledge required for working with the product.

Product-specific safety instructions

Details safety instructions for handling suspended loads, machines under pressure, and escaping oil mist.

Personal protective equipment

Outlines the responsibility for personal protective equipment and recommends specific items.

General instructions on damage to property and the product

Housing and parts

Instructions for handling and maintaining control block housings and parts to prevent damage.

Flange surfaces and sealing surfaces

Guidelines for cleaning and maintaining flange and sealing surfaces to prevent damage and ensure proper function.

Vise

Specifies the use of protective braces with hard rubber when using a vise.

Tools required

Lists essential tools for assembly, disassembly, and maintenance of the control block.

Product description

Identification of the product

Explains how to identify the control block and its segments using the type plate information.

Connection designation

Details the designation of ports and connections on the control block.

Flange interface

Describes the flange interface and its layout with internal functions.

Control block segments

Lists the available control block segments: Inlet plate, Directional valves, and End plate.

Inlet plate

Details the internal functions of the inlet plate, including relief valve and pressure compensator.

Directional valves M4-12 with purely mechanical actuation

Directional valves M4-12 with hydraulic actuation

Directional valves M4-12 with electrohydraulic actuation

Directional valves M4-12 with on-board electronics

Directional valves M4-12 with servohydraulic actuation

End plate

Shows the external connections for the end plate, including a measuring port.

Control block versions

General instructions for assembly

Related documents

Lists related documents providing detailed instructions for assembly, disassembly, and repair.

Screw connection for hydraulic connections

Provides guidelines for screw connections of hydraulic connections, including pipe thread standards.

Screw connection on the control block segment

Details the process for screw connections on control block segments using a torque wrench.

Testing and re-commissioning

Fault finding

Accessories and spare parts

Accessories and spare parts on the Internet

Provides information on finding available accessories and spare parts on the Bosch Rexroth website.

Contact partners for accessories and spare parts

Lists sources for obtaining accessories and spare parts and provides contact information for service.

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