Bosch Rexroth 31 Series Bedienungsanleitung

Instruction manual

RE 92701-01-B/04.2018

Replaces: 01.2012

English

Axial piston variable pump

A10VO, A10VSO

Series 31

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.

Contents 3/60

RE 92701-01-B/04.2018, A10VO, A10VSO Series 31, Bosch Rexroth AG

1 About this documentation 5

1.1 Validity of the documentation 5

1.2 Required and supplementary documentation 5

1.3 Representation of information 6

1.3.1 Safety instructions 6

1.3.2 Symbols 7

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 9

2.4 Personnel qualiﬁcations 10

2.5 General safety instructions 11

2.6 Product-speciﬁc safety instructions 12

2.7 Personal protective equipment 14

3 General notices regarding property and product damage 15

4 Scope of delivery 18

5 About this product 19

5.1 Performance description 19

5.2 Product description 19

5.2.1 Axial piston unit layout 19

5.2.2 Functional description 20

5.3 Product identiﬁcation 21

6 Transport and storage 22

6.1 Transporting the axial piston unit 22

6.1.1 Transporting by hand 22

6.1.2 Transporting with a lifting device 22

6.2 Storing the axial piston unit 24

7 Installation 26

7.1 Unpacking 26

7.2 Installation conditions 26

7.3 Installation position 27

7.3.1 Below-reservoir installation (standard) 27

7.3.2 Inside-reservoir installation 28

7.3.3 Above-reservoir installation 30

7.4 Installing the axial piston unit 31

7.4.1 Preparation 31

7.4.2 Dimensions 31

7.4.3 General instructions 31

7.4.4 Installation with a coupling 32

7.4.5 Installation on a gearbox 33

7.4.6 Installation with cardan shaft 33

7.4.7 Remove the spacer (for version with through drive) 34

Contents

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Bosch Rexroth AG, A10VO, A10VSO Series 31, RE 92701-01-B/04.2018

7.4.8 Completing installation 35

7.4.9 Hydraulically connecting the axial piston unit 36

7.4.10 Electrically connecting the axial piston unit 41

7.5 Performing ﬂushing cycle 42

8 Commissioning 43

8.1 Initial commissioning 43

8.1.1 Filling the axial piston unit 43

8.1.2 Testing the hydraulic ﬂuid supply 44

8.1.3 Performing a functional test 45

8.2 Running-in phase 45

8.3 Recommissioning after standstill 46

9 Operation 47

10 Maintenance and repair 47

10.1 Cleaning and care 47

10.2 Inspection 48

10.3 Maintenance 48

10.4 Repair 49

10.5 Spare parts 49

11 Removal and replacement 50

11.1 Required tools 50

11.2 Preparing for removal 50

11.3 Removal 50

11.4 Preparing components for storage or further use 50

12 Disposal 51

13 Extension and conversion 51

14 Troubleshooting 52

14.1 How to proceed for troubleshooting 52

14.2 Malfunction table 53

15 Technical data 57

16 Alphabetical index 58

Contents

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RE 92701-01-B/04.2018, A10VO, A10VSO Series 31, Bosch Rexroth AG

1 About this documentation

1.1 Validity of the documentation

This documentation applies to the following products:

•Axial piston variable pump A10VO Series 31

•Axial piston variable pump A10VSO Series 31

This documentation is intended for machine/system manufacturers, assemblers and

service engineers.

It contains important information on the safe and appropriate transport, installation,

commissioning, operation, maintenance, removal and simple troubleshooting of the

axial piston unit.

▶ Read this manual completely, in particular chapter 2 “Safety instructions” on

page 9 and chapter 3 “General notices regarding property and product

damage” on page 15 before you start work with the axial piston unit.

1.2 Required and supplementary documentation

▶ Only commission the axial piston unit if the documentation marked with the book

symbol is available to you and you have understood and observed it.

Table 1: Required and supplementary documentation

Title Document number Document type

Order conﬁrmation

Contains the order-related technical data of your axial piston variable pump

A10VO or A10VSO.

– Order conﬁrmation

Installation drawing

Contains the outer dimensions, all connections and the hydraulic circuit diagram

for your axial piston variable pump A10VO or A10VSO.

Please request the

installation drawing

from your contact at

Bosch Rexroth.

Installation drawing

Axial piston variable pump A10V(S)O,

size 18 (A10VSO),

size 28 to 140 (A10VO)

Contains the permissible technical data.

92701 Data sheet

Axial piston variable pump A10VSO, size 18 to 140

Contains the permissible technical data.

92711 Data sheet

Hydraulic ﬂuids based on mineral oils and related hydrocarbons

Describes the requirements on a hydraulic ﬂuid based on mineral oil and related

hydrocarbons for operation with Rexroth hydraulic components, and assists you in

selecting a hydraulic ﬂuid for your system.

90220 Data sheet

Environmentally acceptable hydraulic ﬂuids

Describes the requirements on an environmentally acceptable hydraulic ﬂuid

for operation with Rexroth hydraulic components and assists you in selecting a

hydraulic ﬂuid for your hydraulic system.

90221 Data sheet

Fire-resistant, water-free hydraulic ﬂuids (HFDR/HFDU)

Describes the requirements on ﬁre-resistant, anhydrous hydraulic ﬂuids

(HFDR/HFDU) for operation with Rexroth hydraulic components and assists you in

selecting a hydraulic ﬂuid for your hydraulic system.

90222 Data sheet

Fire-resistant hydraulic ﬂuids – hydrous (HFAE, HFAS, HFB, HFC)

Describes the requirements on ﬁre-resistant, hydrous hydraulic ﬂuids

(HFAE, HFAS, HFB, HFC) for operation with Rexroth hydraulic components and

assists you in selecting a hydraulic ﬂuid for your hydraulic system.

90223 Data sheet

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Bosch Rexroth AG, A10VO, A10VSO Series 31, RE 92701-01-B/04.2018

Table 1: Required and supplementary documentation

Title Document number Document type

Axial piston units for operation with ﬁre-resistant hydraulic ﬂuids – anhydrous

and hydrous (HFDR, HFDU, HFA, HFB, HFC)

Describes the requirements on ﬁre-resistant, anhydrous and hydrous

hydraulicﬂuids (HFDR, HFDU, HFA, HFB, HFC) and contains the technical data for

operation with Rexroth hydraulic components.

90225 Data sheet

Information on the use of hydrostatic drives at low temperatures

Contains additional information on the use of Rexroth axial piston units at low

temperatures.

90300-03-B Manual

Storage and preservation of axial piston units

Contains additional information on storage and preservation.

90312 Data sheet

Axial piston variable pump A10V(S)O, A10VO series 3x and 5x with electro-

proportional diﬀerential pressure control EF

92709 Data sheet

Pressure relief valve, direct controlled 25402 Data sheet

Proportional pressure relief valve 29166 Data sheet

Pump safety block 25880 Data sheet

Pump safety block 25891 Data sheet

Pressure and ﬂow control system 30030 Data sheet

1.3 Representation of information

Standardized safety instructions, symbols, terms and abbreviations are used

throughout this documentation so that you can work quickly and safely with your

product. For clariﬁcation, they are explained in the sections below.

1.3.1 Safety instructions

This manual contains safety instructions in chapter 2.6 “Product-speciﬁc safety

instructions” on page 12 and in chapter 3 “General notices regarding property

and product damage” on page 15, as well as before a sequence of actions or an

instruction for action involving a risk of personal injury or property damage.

Always follow the instructions on avoiding the dangers associated with the use of

this product.

Safety instructions are set out as follows:

SIGNAL WORD

Type and source of danger!

Consequences of noncompliance

▶ Measures to prevent danger

•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

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RE 92701-01-B/04.2018, A10VO, A10VSO Series 31, Bosch Rexroth AG

Table 2: Danger 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.

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

Numbered instruction:

The numbers indicate that the actions must be completed in order.

8/60 About this documentation

Bosch Rexroth AG, A10VO, A10VSO Series 31, RE 92701-01-B/04.2018

1.3.3 Designations

This documentation uses the following designations:

Table 4: Designations

Designation Meaning

A10VO Axial piston variable pump, open circuit, maximum pressure 350 bar,

for mobile applications

A10VSO Axial piston variable pump, open circuit, maximum pressure 350 bar,

for stationary applications

Threaded plug Metal screw, pressure-resistant

Protective plug Made out of plastic, not pressure-resistant, only for transportation

As an umbrella term for “axial piston variable pump A10VO” and/or “A10VSO” the

designation “axial piston unit” is used in the following.

1.3.4 Abbreviations

This documentation uses the following abbreviations:

Table 5: Abbreviations

Abbreviation Meaning

ATEX EC directive on explosion protection (Atmosphère explosible)

DG Two-point control, directly controlled

DFLR Pressure ﬂow power controller

DFR/DFR1/DRSC Pressure ﬂow controller

DIN Deutsches Institut für Normung (German Institute for Standardization)

DRG Pressure controller, remotely controlled

EF Electro-proportional diﬀerential pressure control

ISO International Organization for Standardization

JIS Japan Industrial Standard

RE Rexroth document in the English language

VDI2230 Directive for the systematic calculation of high duty screwed joints and

cylindrical screw joints from the VDI (Verein Deutscher Ingenieure -

Association of German Engineers)

Safety instructions 9/60

RE 92701-01-B/04.2018, A10VO, A10VSO Series 31, Bosch Rexroth AG

2 Safety instructions

2.1 About this chapter

The axial piston unit has been manufactured to 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 axial

piston unit.

▶ Keep it in a location where it is accessible to all users at all times.

▶ Always include the required documentation when you pass the axial piston unit

on to third parties.

2.2 Intended use

Axial piston units are hydraulic components, meaning that in their application

area they are classiﬁed neither as complete nor as partly completed machinery as

deﬁned in 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 should only be commissioned after it has been

installed in the machine/system for which it is intended and the safety of the entire

system has been established in accordance with the Machinery Directive.

This product is intended for the following use:

The axial piston unit is only approved as a pump for hydrostatic drives in an open

circuit.

▶ Observe the technical data, application and operating conditions and

performance limits as speciﬁed in data sheet 92701 and 92711 and in the order

conﬁrmation. Information about approved hydraulic ﬂuids can be found in data

sheet 92701 and 92711.

The axial piston unit is only intended for commercial use and not for private use.

Intended use includes having fully read and understood this manual, especially

chapter 2 “Safety instructions” on page 9.

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 misuses are also considered improper (this list is not

exhaustive):

•Use outside the operating parameters approved in the data sheet or in the order

conﬁrmation (unless speciﬁcally approved by the customer)

•Use of non-approved ﬂuids, e.g. water or polyurethane components

•Changes to factory settings by unauthorized persons

•Use of assembled parts (e.g. attachment ﬁlter, control unit, valves) other than the

speciﬁed Rexroth components

•Use of the axial piston unit with assembled parts under water at a depth of

more than 10meters without the necessary additional measures, e.g. pressure

equalization. Units with electrical components (e.g. sensors) generally cannot

10/60 Safety instructions

Bosch Rexroth AG, A10VO, A10VSO Series 31, RE 92701-01-B/04.2018

come into contact with water. Axial piston units may only be used on a case-to-case

basis for this application.

•The maximum permissible case pressure speciﬁed in the data sheet must not be

exceeded.

•Use of the axial piston unit in explosive environments unless the component or

machine/system has been certiﬁed as compliant with the ATEX Directive 2014/34/EU

•Use of the axial piston unit in a corrosive atmosphere

•Use of the axial piston unit in aircraft or spacecraft

2.4 Personnel qualiﬁcations

The activities described in this manual require a basic understanding of mechanics,

electricity and hydraulics, as well as familiarity with associated technical terms.

For transporting and handling the product, additional familiarity with the use of

lifting devices and lifting accessories is required. In order to ensure safe use, these

activities should only be performed by skilled personnel or an instructed person

under the direction and supervision of skilled personnel.

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 hazards and take

the appropriate safety measures. Skilled personnel must follow the rules relevant to

their ﬁeld and have the necessary hydraulics expert knowledge.

Expertise in hydraulics includes:

•Being able to read and fully understand hydraulic circuit diagrams

•In particular, fully understanding the relationships with regard to safety devices

•Understanding how hydraulic components work and are put together.

Bosch Rexroth oﬀers training support for specialized ﬁelds. An overview of the

training contents can be found online at: www.boschrexroth.com/training.

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