Bosch rexroth M1-16 Series User manual

Instruction manual
RE 64025-B/2021-08-12, replaces: 04.2019, EN
Control blocks for
mobile applications
M1 M8 M9 MO
SM RCS M4 SP
M6 M7 RS SX

©BoschRexrothAG2021. All rights reserved, also
regarding any disposal, exploitation, reproduction,
editing, distribution, aswell asinthe event
ofapplications forindustrial property rights.
The data specified within only serves to describe
theproduct. No statements concerning acertain
condition orsuitability foracertain application
can bederived from our information. The
information given does not release theuser from
theobligation ofown judgment and verification. It
must be remembered that our products are subject
toanatural process ofwear and aging.
The cover shows anexample application. The
product delivered may differ from theimage onthe
cover.
The original instruction manual was created inthe
German language.

RE 64025-B/2021-08-12, Bosch Rexroth AG
Contents | Control blocks for mobile applications 3/54
Contents
1 About this documentation ������������������������������������������������������������������������ 5
1.1 Validity ofthedocumentation ...................................................................... 5
1.2 Required and supplementary documentation............................................... 5
1.3 Representation ofinformation...................................................................... 7
1.3.1 Safety instructions ....................................................................................... 7
1.3.2 Symbols ....................................................................................................... 8
1.3.3 Designations ................................................................................................ 8
1.3.4 Abbreviations ............................................................................................... 8
2 Safety instructions ����������������������������������������������������������������������������������� 9
2.1 About this chapter........................................................................................ 9
2.2 Intended use ................................................................................................ 9
2.3 Improper use.............................................................................................. 10
2.4 Personnel qualifications ............................................................................. 10
2.5 General safety instructions ........................................................................11
2.6 Product-specific safety instructions ........................................................... 11
2.7 Personal protective equipment...................................................................14
3 General instructions onproperty damage and product damage�������������� 15
4 Scope ofdelivery������������������������������������������������������������������������������������ 18
5 About these products ����������������������������������������������������������������������������� 19
5.1 Performance description............................................................................ 19
5.2 Product description ................................................................................... 19
5.3 Product identification................................................................................. 19
6 Transport and storage ���������������������������������������������������������������������������� 21
6.1 Transporting the control block ................................................................... 21
6.1.1 Transport byhand ...................................................................................... 21
6.1.2 Transport with lifting devices ..................................................................... 21
6.2 Storing the control block............................................................................ 23
7 Installation��������������������������������������������������������������������������������������������� 25
7.1 Unpacking .................................................................................................. 25
7.2 Painting the control block .......................................................................... 25
7.3 Installation conditions................................................................................ 26
7.4 Installation position ................................................................................... 26
7.5 Installing the control block ........................................................................ 26
7.5.1 Required tools............................................................................................ 26
7.5.2 Preparation ................................................................................................ 26
7.5.3 Dimensions ................................................................................................ 26
7.5.4 Fastening the control block........................................................................ 26
7.5.5 Completion ofassembly............................................................................. 28
7.5.6 Connecting the control block mechanically................................................ 28
7.5.7 Connecting the control block hydraulically ................................................ 29
7.5.8 Connecting the pressure relief/feed valve with
pressure sequencing stage or pressure cut-off stage hydraulically............. 31
7.5.9 Connecting the control block electrically................................................... 33
8 Commissioning��������������������������������������������������������������������������������������� 34
8.1 Before initial commissioning ...................................................................... 35
8.2 Initial commissioning ................................................................................. 36
8.3 Recommissioning after standstill ............................................................... 37

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9 Operation ����������������������������������������������������������������������������������������������� 38
9.1 Notices on the application of control blocks at low temperatures.............. 38
10 Maintenance and repair�������������������������������������������������������������������������� 40
10.1 Cleaning and care ...................................................................................... 40
10.2 Inspection .................................................................................................. 40
10.3 Maintenance............................................................................................... 41
10.4 Repair ........................................................................................................ 41
10.5 Spare parts ................................................................................................ 42
11 Removal and replacement ���������������������������������������������������������������������� 43
11.1 Required tools............................................................................................ 43
11.2 Preparingforremoval................................................................................. 43
11.3 Removal of the control block from the machine ......................................... 43
11.4 Preparing thecomponents for storage orfurther use................................. 43
12 Disposal ������������������������������������������������������������������������������������������������� 44
13 Extension and conversion����������������������������������������������������������������������� 45
14 Troubleshooting ������������������������������������������������������������������������������������� 46
14.1 How toproceed fortroubleshooting........................................................... 46
14.2 Malfunction table ....................................................................................... 47
15 Technical data ���������������������������������������������������������������������������������������� 50
16 Index ������������������������������������������������������������������������������������������������������ 52

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About this documentation | Control blocks for mobile applications 5/54
1 About this documentation
1�1 Validity ofthedocumentation
This documentation isvalid for thefollowing products:
• M1
• M4
• M6
• M7
• M8
• M9
• MO
• RCS
• ROM8
• RS
• SM
• SP
• SX
This documentation applies to all control blocks of the named series, regardless of
their manufacturing date up to a new revision of this document.
This documentation is intended formachine manufacturers.
This documentation contains important information onsafe and proper transport,
installation and disassembly, commissioning, operation, maintenance and servicing
ofthe product.
 Read this documentation completely and in particular the chapters entitled2
"Safety instructions" page9 and3 "General instructions on property
damage and product damage" on page15 before you start work with the
control block.
1�2 Required and supplementary documentation
 Only commission the product ifthe documentation marked with the
book symbol isavailable, understood and complied with.
Table 1: Required and supplementary documentation
Title Document number Document type
Technicaldatasheet
Contains the permissible technical data.
Please bear inmind that different technical datasheets apply
depending onthe series:
Datasheet
Open-center control block MO-16, 22, 32 64354
Open-center control block MO-40 64370
Open-center control block MO-52 64373
Open-center control block M1 64263
Open-center control block M8 64294
Open-center control block M9 64303
Open-center control block ROM8 66162
Open-center control block SM 64122
Closed-center control block RCS30 64155
Closed-center control block RCS35 64157
Load-sensing control block M4-12 64276
Load-sensing control block M4-15 64283
Load-sensing control block M4-22 64279
Load-sensing control block SP-08 64139

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Table 1: Required and supplementary documentation
Title Document number Document type
Flow sharing control block M6-15 64321
Flow sharing control block M6-22 64322
Flow sharing control block M7-20 64293
Flow sharing control block M7-22 64295
Flow sharing control block M7-25 64297
Flow sharing control block RS12 64133
Flow sharing control block RS14 64136
Flow sharing control block RS15 64134
Flow sharing control block RS20 64137
Flow sharing control block SX 10 64132
Flow sharing control block SX 12 64128
Flow sharing control block SX 14 64125
CAN-controlled pilot module CPM-1x
CANopen standard communication
64820-B Instruction manual
CAN-controlled pilot module CPM-1x
CANopen special communication
64819-B Instruction manual
Spool position sensor PSM 95190-B Instruction manual
Order confirmation
Contains the order-related technical data ofthe control block.
Order confirmation
Offer drawing
Contains the outer dimensions, all connections and the hydraulic
circuit diagram ofthe control block.
Offer drawing
Hydraulic fluids based onmineral oils and related hydrocarbons
Describes therequirements for hydraulic fluids onmineral oil basis
and related hydrocarbons foroperation with Rexroth hydraulic
components and provides support for selection ofsuitable hydraulic
fluids for thehydraulic system.
90220 Datasheet
Environmentally acceptable hydraulic fluids
Describes the requirements forenvironmentally acceptable hydraulic
fluids onmineral oil basis and related hydrocarbons foroperation
with Rexroth hydraulic components, and provides support
forselection ofsuitable hydraulic fluids forthe hydraulic system.
90221 Datasheet
Reliability parameters MTTFDfor the functional safety
accordingtoISO13849
MTTFdvalues for control blocks
90290 Datasheet
The related documentation can be obtained where necessary from Rexroth via
www.boschrexroth.com/mobile-hydraulics-catalog.

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1�3 Representation ofinformation
Uniform safety instructions, symbols, terms and abbreviations are used throughout
this documentation toensure safe and proper use ofthe product. For clarification,
they are explained inthe sections below.
1�3�1 Safety instructions
This documentation includes safety instructions inchapters2.6 "Product-specific
safety instructions" onpage11 and3 "General instructions onproperty damage
and product damage" onpage15, aswell asprior toa sequence ofactions
orinstructions with risk ofinjury orproperty damage. Always follow themeasures
for danger prevention associated with theuse ofthis product.
Safety instructions are set out asfollows:
SIGNAL WORD
Type and source ofdanger
Consequences ofnoncompliance
 Danger prevention measure
•Warning sign: draws attention tothe danger
•Signal word: identifies thedegree ofthedanger
•Type and source ofdanger: indicates thetype and source ofthedanger
•Consequences: describes what occurs ifsafety instructions are disregarded
•Precautions: states how thedanger can be avoided
Table 2: Hazard classes asdefined inANSI Z535�6
Warning sign, signal word Meaning
DANGER Identifies adangerous situation that will result indeath
orserious injury ifit isnot avoided.
WARNING Identifies adangerous situation that may result indeath
orserious injury ifit isnot avoided.
CAUTION Identifies adangerous situation that may result inminor
tomoderate injury ifit isnot avoided.
NOTICE Property damage: The product orsurrounding area may
be damaged.

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1�3�2 Symbols
The following symbols indicate information that isnot safety-relevant but increases
understanding ofthe documentation.
Table 3: Meaning ofsymbols
Symbol Meaning
If this information isdisregarded, theproduct cannot be used and/or
operated toits full extent.
 Single, independent action
1�
2�
3�
Numbered instruction:
The numbers indicate that theactions must be completed inorder.
1�3�3 Designations
This documentation uses the following designations:
Table 4: Designations
Designation Meaning
Mono block A control block that has been cast from a single piece. Optionally,
other directional valves can be mounted to extend the functions.
Control block
insandwich plate
design
A control block that has been assembled from one or several
directionalvalves.
Directional valve A control block segment with 1 spool axis; also referred to below as
a“valve section”.
Control spool Main spool
Actuation Type ofcontrol spool actuation
1�3�4 Abbreviations
This documentation uses the following abbreviations:
Table 5: Abbreviations
Abbreviation Meaning
ATEX EC directive onexplosion protection (Atmosphère explosible)
DIN Deutsche Industrie Norm (German Institute for Standardization)
ISO International Organization for Standardization

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2 Safety instructions
2�1 About this chapter
The product has been manufactured inaccordance with generally accepted
engineering standards. There isstill, however, arisk ofpersonal injury orproperty
damage ifthis chapter and the safety instructions inthis documentation are not
observed.
 Read this documentation completely and thoroughly before working with
theproduct.
 Keep the documentation inalocation where it isaccessible toall users atall
times.
 Always include the required documentation when passing the product
ontothirdparties.
2�2 Intended use
Control blocks are hydraulic components, meaning that in their application area
they are classified neither as complete nor as partly completed machinery in the
sense of the EC Machinery Directive2006/42/EC. The component isexclusively
intended toform partly completed machinery orcomplete machinery together with
other components. The component may only becommissioned after it has been
installed inthe machine forwhich it isintended and the required safety ofthe
entire system has been established inaccordance with the machinery directive.
The control blocks have been developed to control various hydraulic consumers on
mobile and standalone working machines.
Deviating use isonly permitted following consultation with BoschRexroth.
The product can be employed as a safety-relevant part of a control system. It
does not however include a safety function as it is unable to provide or realize
such afunction independently. If the product is to be employed to realize safety
functions, additional measures are to be defined by the system manufacturer
or system planner in either the control system or the safety-relevant part of the
control system. Parameters in this respect can be found in standards governing
functional safety such as ISO13849, IEC62061 or specific technical guidelines.
 Observe the technical data, the application and operating conditions and
the power limits asspecified inthe datasheetand inthe order confirmation.
Information about approved hydraulic fluids can befound inthe corresponding
datasheet.
Intended use includes having completely read and understood this documentation
and particularly chapter2 "Safety instructions" onpage9.

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2�3 Improper use
Any use other than that described asintended use isconsidered improper.
BoschRexrothAG isnot liable for damages resulting from improper use. The user
issolely responsible for any risks arising from improper use.
The following foreseeable forms offaulty usage are also considered improper
(thislist isnot exhaustive):
• Use outside theoperating parameters approved inthe datasheet orinthe order
confirmation (except for customer-specific approvals)
• Use ofnon-approved fluids, e.g.water orpolyurethane components
• Changes tofactory settings byunauthorized persons.
• Use ofassembled parts (e.g.control unit, valves) not incombination with
thespecified Rexrothcomponents
• Use of the control block in explosive environments unless the component
or machine/system has been certified as being compliant with
ATEXdirective2014/34/EU
2�4 Personnel qualifications
The activities described inthis documentation require abasic understanding
ofmechanics, electricity and hydraulics, aswell asfamiliarity with associated
technical terms. For transporting and handling the product, knowledge
regarding the use oflifting gear and lifting devices isrequired. The term skilled
personnel refers topersons who possess the professional training, knowledge
and experience, aswell asthe understanding ofthe regulations relevant tothe
work tobe done that are necessary torecognize possible dangers and take the
appropriate safety measures. Skilled personnel must follow therules relevant
totheir field and have thenecessary hydraulic expert knowledge.
Hydraulic expert knowledge includes:
• Being able toread and fully understand hydraulic circuit diagrams
• In particular, fully understanding therelationships with regard tosafety devices
• Knowledge regarding the function and interaction ofhydraulic components.
BoschRexroth offers you measures supporting training inspecific areas. For an
overview ofthe training contents, visit our website
under:www.boschrexroth.com/training.

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2�5 General safety instructions
• Observe applicable accident prevention specifications and environmental
protection regulations.
• Observe thesafety regulations ofthecountry inwhich theproduct
isused/operated.
• Use Rexrothproducts only when they are ingood working order.
• Observe all notices onthe product.
• Do not install, operate, remove ormaintain Rexrothproducts ifunder
theinfluence ofalcohol, drugs ormedication that may affect your reaction time.
• Only use genuine Rexroth accessories and spare parts toensure there isno
hazard to persons caused by unsuitable spare parts.
• Observe thetechnical data and ambient conditions specified inthe product
documentation.
• If unsuitable products are installed orused inapplications that are ofrelevance
tosafety, unexpected operating conditions may occur inthe application, which
could result inpersonal injury orproperty damage. For this reason, only use
the product in safety-relevant applications if this use is expressly specified and
permitted in the product documentation, for example in explosion protection
areas or in safety-related parts of a control system (functional safety).
• Only commission theproduct ifit has been determined that theend product
(e.g.machinery orsystem) inwhich theRexrothproducts are installed
corresponds to thecountry-specific provisions, safety regulations and standards
for theapplication.
• Use tools appropriate for thework being performed and wear appropriate
protective clothing toprevent punctures and cuts (e.g.when removing protective
covers, disassembly).
2�6 Product-specific safety instructions
The following safety instructions apply forchapters 6 to14.
WARNING
Danger due tosuspended loads!
Danger tolife, risk ofinjury orproperty damage!
In the event ofinappropriate transport, the control block might fall down and
lead toinjury, e.g.bruises orfractures and/or damage tothe product.
 Ensure that the load bearing capacity ofthe lifting device isdimensioned
sufficiently inorder tosafely carry the weight ofthe control block.
 Never step orgrip under suspended loads.
 Ensure astable transport position.
 Use your personal protective equipment (e.g. safety goggles, safety gloves,
suitable working clothes, safety shoes).
 Use suitable lifting devices for transport.
 Observe theprescribed position ofthelifting strap.
 Observe thenational laws and specifications ofoccupational safety and health
and transport.

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WARNING
System/machine under pressure!
Danger tolife orrisk ofinjury, severe bodily injury when working onmachines
which have not been put toastandstill! Property damage!
 Switch off therelevant machine/system part and secure itagainst reactivation
according tothe parameters bythemachine/system manufacturer.
 Ensure that all relevant components ofthehydraulic system are depressurized.
For this purpose, observe theparameters indicated bythemachine/system
manufacturer.
 Please note that thehydraulic system might still be pressurized event after
separation from theactual pressure supply.
 Do not disconnect any line connections, ports orcomponents aslong
asthehydraulic system isunder pressure.
Escaping hydraulic fluid mist!
Risk ofexplosion and fire hazard, health hazard, risk ofenvironmental pollution!
 Depressurize therelevant machine/system component and repair theleak.
 Only perform welding work when the machine isdepressurized.
 Keep open flames and ignition sources away from the control block.
 If control blocks are located inthe vicinity ofignition sources orpowerful
thermal radiators, ashield must beerected toensure any escaping hydraulic
fluid cannot beignited, and toprotect hose lines from premature aging.
Electrical voltage!
Danger tolife orrisk ofinjury due toelectric shock orproperty damage!
 Always disconnect the voltage supply tothe relevant machine/system
part before installing the product and/or connecting ordisconnecting the
connector.
 Protect themachine/system against being re-energized.
Limitation ofthecontrol function!
Risk ofinjury orproperty damage!
Under certain circumstances, moving parts incontrol equipment (e.g.control
spool) can get stuck inan undefined position due tocontamination (e.g.impure
hydraulic fluid, abrasion orresidual dirt from components). As aresult,
the activated consumer does nolonger respond correctly tothe operator’s
specifications.
 Secure the machine against rolling away and accidental movements according
tothe specifications ofthe machine manufacturer.
 Comply with the prescribed cleanliness level ofthe hydraulic fluid
inaccordance with the datasheet.
Faulty power supply!
Danger tolife orrisk ofinjury due touncontrolled valve settings! These settings
can lead to unexpected behavior of the control block.
 Always connect the ground connection ofthe control block with the
corresponding grounding system ofyour installation.
 Only use apower supply unit with asecure disconnection facility. Observe the
country-specific specifications.

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WARNING
Danger caused by pressurized, leaking hydraulic fluid!
Danger to life or risk of injury due toleaking hydraulic fluid streams! Leakage
atthe control block can lead tohydraulic fluid escaping under high pressure.
 Depressurize therelevant machine/system component and repair theleak.
 Never attempt toblock orseal theleak orhydraulic fluid jet with acloth.
CAUTION
Risk ofinjury due tosharp edges and rough surfaces!
Risk of injury when working with and transporting the control block, e.g. due to
sharp edges on the valve housing, on threads or assembled parts.
 Wear appropriate personal protective equipment (e.g.safety shoes, safety
goggles, safety gloves and suitable working clothes).
Danger ofbruising and knocks forlimbs!
In the gap between the actuation element and the valve housing, there isarisk
ofinjury
 Do not move any limbs into the gap between the actuation element/hand lever
and the valve housing.
High noise development during operation!
Danger ofhearing damage orhearing loss!
Among others, the noise emission ofcontrol blocks depends onthe working
pressure and the installation conditions. The sound pressure level may rise
toabove 70dBA under specific application conditions.
 Always wear hearing protection when you are in the vicinity of the running
control block.
Hot surfaces on the control block!
Risk ofburning!
 Allow the control block to cool down sufficiently before touching it.
 Protect yourself with heat-resistant protective clothing, e.g. gloves.
Inappropriate routing ofcables and lines!
Risk ofstumbling and property damage! Due toincorrect routing oflines and
cables, both arisk ofstumbling aswell asdamage toparts and components can
occur, e.g.due tolines and connectors being torn off.
 Always install cables and lines inaway that nobody can fall over them, that
they are not bend ortwisted, do not chafe onedges and are not guided
through ducts with sharp edges without sufficient protection.

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CAUTION
Contact with hydraulic fluid!
Danger tohealth / damage tohealth, e.g. eye injury, skin damage, toxication
inthe event ofinhalation!
 Avoid any contact with hydraulic fluids.
 When handling hydraulic fluids, thesafety instructions ofthelubricant
manufacturer need tobe observed atall times.
 Use your personal protective equipment (e.g. safety goggles, safety gloves,
suitable working clothes, safety shoes).
 Immediately seek medical attention, however, ifhydraulic fluid gets into your
eyes orblood circuit orif you swallow itaccidentally.
Escaping hydraulic fluid through leaking machine/system components!
Risk ofburning and risk ofinjury due toescaping hydraulic fluid jet!
 Depressurize therelevant machine/system component and repair theleak.
 Never attempt toblock orseal theleak orhydraulic fluid jet with acloth.
Danger from improper handling!
Slip hazard! When using the control block asclimbing aid, there isadanger
ofslipping onwet and/or fluid-afflicted surfaces.
 Never use the control block ashandle orstep.
 Check how tosafely get ontop ofthemachine/system.
2�7 Personal protective equipment
The personal protective equipment is the responsibility of the user of the control
block. Observe thesafety regulations inyour country.
All pieces ofpersonal protective equipment should be intact.

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General instructions onproperty damage and product damage | Control blocks for mobile applications 15/54
3 General instructions onproperty
damage and product damage
The following safety instructions apply forchapters6 to14.
NOTICE
Danger from improper handling!
Product can bedamaged!
 Do not expose the product toany mechanical, hydraulic orelectric loads
under any circumstances.
 Never use theproduct ashandle orstep.
 Do not put/place any objects onthe product.
 Do not use sensitive assembled parts (e.g. actuation elements, sensors,
solenoids, or valves) for transporting the control block.
 Carefully place the control block onto the contact surface to prevent it from
being damaged and secure it against falling.
 Do not set/place the control block onto the actuation elements.
 Do not hit sensitive assembled parts (e.g.sensors, solenoids oractuation
elements).
 Do not hit sealing surfaces (e.g. onthe work connections).
 Leave the protective covers on the control block until you connect the lines.
 Disconnect all electric connectors before any painting operations.
 Ensure that the electronic components (e.g.sensors) are not electro-statically
charged (e.g.during painting operations).
Risk ofproperty damage due toinadequate lubrication!
Product can bedamaged ordestroyed!
 Always commission the control block with sufficient hydraulic fluid.
 When commissioning a machine/system, make sure that the housing area and
the suction and working lines of the control block are filled with hydraulic
fluid and keep them filled during operation.
Ingress offluids and foreign particles due tolacking sealings and locks!
Loss ofthe protection class and danger ofshort circuit!
 Before the assembly, ensure that all sealings and locks ofthe plug-in
connection are tight.

16/54 Control blocks for mobile applications | General instructions onproperty damage and product damage
Bosch Rexroth AG, RE 64025-B/2021-08-12
NOTICE
Mixing hydraulic fluids!
Product can bedamaged!
 Before installation, remove all fluids from the control block to prevent mixing
with the hydraulic fluid that is used in the machine.
 Observe the viscosity and cleanliness level specified inthe
datasheetforhydraulic fluids.
 Mixture ofdifferent hydraulic fluids may damagethe control block due
tochemical reactions and changes inproperties.
 Ensure that the different hydraulic fluids are compatible according
tomanufacturer's specifications.
Contamination ofhydraulic fluid!
The cleanliness ofthe hydraulic fluid has aconsiderable impact onthe service
life ofthe product. Contaminations ofthe hydraulic fluid may lead topremature
wear and malfunctions!
 Always ensure awork environment inthe assembly location that isfree from
dust and foreign substances toprevent foreign particles, e.g. welding beads
ormetal cuttings, from entering thehydraulic lines and lead towear and
malfunctions inthe product. The control block must be installed in a clean
condition.
 Only use clean ports, hydraulic lines and assembled parts
(e.g.measuringdevices).
 When plugging theports, no contamination may ingress.
 Before commissioning, ensure that all hydraulic connections are tight and
that all seals and plugs ofthe plug-in connection are correctly installed and
undamaged toprevent fluids and foreign particles from ingressing the product.
 Filter the hydraulic fluids when filling the system with asuitable filter system
tominimize the solid particle contamination and water inthe hydraulic
system.
Improper cleaning
Product can bedamaged!
 Plug all openings with appropriate protective equipment to prevent cleaning
agents from entering the control block.
 Never use solvents oraggressive cleaning agents. Clean the control block
using only water and a mild cleaning agent if necessary.
 Do not direct the high-pressure cleaner tosensitive components, e.g.rubber
parts (bellows), electric connections (solenoids, sensors) and actuation
elements.
 Use fibre-free cleaning cloths forcleaning.

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General instructions onproperty damage and product damage | Control blocks for mobile applications 17/54
NOTICE
Environmental pollution due toincorrect disposal!
Careless disposal ofthe control block and its assembled parts, the hydraulic
fluid and the packaging material can cause environmental pollution!
 Dispose of the control block, hydraulic fluid, and packaging in accordance with
the national regulations in your country.
 Dispose ofthehydraulic fluid inaccordance with theapplicable safety
datasheet ofthehydraulic fluid.
Danger due tochemical oraggressive environmental conditions!
Product can bedamaged! If the control block is exposed to chemical or corrosive
environmental conditions, such as sea water, fertilizer or road salt, it can result
in corrosion or, in extreme cases, a loss of function. Leaks may lead toaleakage
ofhydraulic fluid.
 Take appropriate measures to protect the control block from chemical or
corrosive environmental conditions.
Leakage orspilling ofhydraulic fluid!
Environmental pollution and contamination oftheground water!
 When filling and draining hydraulic fluid, always place adrip tray under the
control block.
 Use asuitable binding agent ifhydraulic fluid isspilled.
 Observe the parameters in the safety datasheetforthe hydraulic fluid and the
specifications provided by the machine/system manufacturer.
Danger due toheat development incomponents!
Adjacent products may be damaged! Due toaheat development incomponents
(e.g. solenoids), adjacent products may be damaged during assembly ifno
sufficient safety distance iscomplied with.
 When installing the control block, check the safety distances to nearby
products to ensure that they are not damaged.
The warranty exclusively applies tothe delivered configuration.
The warranty claim becomes void with
• Faulty installation, commissioning and operation,
• Improper use,
• Removal ofthe tamper-proof caps and seals (e.g.with pressure settings),
• Control ofthe settings atthe factory,
• Conversions and additional installations,
• Opening ofthe valve,
• Improper handling,
• Use ofnon-original spare parts by Rexroth.

18/54 Control blocks for mobile applications | Scope ofdelivery
Bosch Rexroth AG, RE 64025-B/2021-08-12
4 Scope ofdelivery
Included inthe scope ofdelivery:
• Control block as per order confirmation
The following parts are also assembled prior todelivery according toversion:
• Protective covers
• Protective plugs/threaded plugs
• Attachment point for transportation, e.g. an eye bolt

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About these products | Control blocks for mobile applications 19/54
5 About these products
5�1 Performance description
Refer to the datasheet and the order confirmation for the technical data, operating
conditions, and operating limits of the control blocks.
For the assignments of control blocks to datasheets, refer to chapter1.2
"Required and supplementary documentation" on page5.
5�2 Product description
For a description of the layout and function of the control blocks and instructions
on the project planning of individual control blocks, refer to the datasheet.
For the assignments of control blocks to datasheets, refer to Table 1 "Required
and supplementary documentation" on page5.
5�3 Product identification
The control block istobe identified onthe name plate.
The parameters on the name plate apply to the control block as delivered.
Ifmodifications have been madeto the control block compared to the delivery
state, the name plate information may not apply to your present control block.
1 2 143
9 10
13
11
12
7
6
5
4
8
Made in Germany
MNR: R90xxxxxxx
SN: XXXX
M4-G12345-20/5M4-12J_W2_MV01
CNR: 123456789
1234567890125077284000
p(max) 250 bar
FD: 12W20
Fig. 1: Name plate example M4

20/54 Control blocks for mobile applications | About these products
Bosch Rexroth AG, RE 64025-B/2021-08-12
1
9
3/4
R908404405 A
Made in France
1603101606A2
1001104292
2
6
12
Fig. 2: Name plate example SX
1 Word mark (manufacturer)
2 Control block material number
3 Manufacturing date
4 Serial number
5 Type designation (material short text)
6 Customer material number (optional)
7 Customer, production, repair order
or project number (optional)
8 Performance parameters (optional)
9 Designation oforigin
10 Rexroth supplier number at the
customer (optional)
11 Area/plant number
12 DataMatrix code
13 Identification number (4digits) of
the notified body
14 CE conformity sign (optional)
 Make sure that the name plates inplace are not damaged.
 By comparing the material number of the control block on the respective name
plate to the parameters in the offer drawing, check that this instruction manual
refers to the product in question.
If indoubt, please contact BoschRexroth.
The information onthe above name plate may vary depending onorder-specific
requirements. For instance, on customer-specific name plates, the customer
logo may replace the Rexrothlogo.
Any other labeling onthe product isjust forBoschRexroth-internal purposes.