Bosch Rexroth Hagglunds DUc MS2 Mode d’emploi

RE 15326-WA, Version: 06.2020, Replaces: 09.2019, EN

Installation & Maintenance

manual

Hägglunds DUc

Drive unit

The data in this document only serve 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 obliga-

tion of own judgment and verication. It must be

remembered that our products are subject to a

natural process of wear and aging.

tions 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.

Changes in the equipment may occur. We therefore

reserve the right to introduce amendments in the

manual as we deem necessary without notice or

obligations.

This Installation and maintenance manual is valid

for Drive Units manufactured after 01.03.2019.

For older Drive Units please contact your nearest

Bosch Rexroth representative.

The cover shows an example conguration. The

product supplied may therefore differ from the

gure shown.

The original operating instructions were prepared

in English.

RE 15326-WA, Version 06.2020, Bosch Rexroth AB

| Hägglunds DUc Drive unit 3/88

Contents

1 This documentation ................................................................................... 5

1.1 Validity of the documentation........................................................................5

1.2 Required and additional documentations ......................................................5

1.3 Presentation of information ...........................................................................5

2 Safety instructions .................................................................................... 7

2.1 About this chapter .........................................................................................7

2.2 Intended use..................................................................................................7

2.3 Improper use .................................................................................................8

2.4 Personnel qualications ................................................................................8

2.5 General safety instructions............................................................................9

2.6 Product-specic safety instructions .............................................................10

2.7 Personal protective equipment ....................................................................12

3 General notes regarding property damages and product damages........... 13

4 Scope of delivery..................................................................................... 15

5 About this product................................................................................... 15

5.1 Product description.....................................................................................15

5.2 Product identication ..................................................................................15

5.3 Main components ........................................................................................16

5.4 Hydraulic uids ...........................................................................................22

5.5 Requirements for hydraulic uid cleanliness ...............................................23

5.6 Cooling water .............................................................................................24

5.7 Drive Unit monitoring ..................................................................................25

6 Transport and storage.............................................................................. 26

6.1 Storage of the packed Drive Unit ...............................................................26

6.2 Lifting the packed Drive Unit .......................................................................27

7 Installation.............................................................................................. 28

7.1 Installation directives ..................................................................................28

7.2 Lifting methods ..........................................................................................28

7.3 Positioning the Drive Unit ...........................................................................31

7.4 Mounting of the cabinet feet........................................................................33

7.5 Mounting of main electric motor..................................................................34

7.6 Hydraulic connections .................................................................................37

7.7 Control system ............................................................................................43

7.8 Mounting of air-oil cooler.............................................................................43

7.9 Water connection.........................................................................................47

7.10 Mounting of water-oil plate cooler...............................................................47

7.11 Mounting of water-oil tube cooler ...............................................................48

7.12 Pipe work, internal ......................................................................................50

7.13 Electric connections ....................................................................................51

8 Commissioning ........................................................................................ 55

8.1 Before commissioning .................................................................................55

8.2 Filling up the system with hydraulic uid ....................................................55

8.3 Flushing before start up ..............................................................................58

8.4 Initial start up procedure.............................................................................59

8.5 Pump settings and adjustments...................................................................61

4/88 Hägglunds DUc Drive unit |

Bosch Rexroth AB, Version 06.2020, RE 15326-WA

9 Maintenance and repair ........................................................................... 64

9.1 Maintenance log ..........................................................................................64

9.2 Preventive maintenance ..............................................................................64

9.3 Filter change................................................................................................67

9.4 Inspection of hydraulic uid ........................................................................69

9.5 Air lter breather change .............................................................................70

9.6 Electric motor..............................................................................................71

9.7 Cooler .........................................................................................................73

9.8 Drive Unit out of service ..............................................................................75

9.9 Repair..........................................................................................................76

9.10 Spare parts..................................................................................................77

10 Removal and replacement ....................................................................... 78

10.1 Common......................................................................................................78

11 Disposal .................................................................................................. 79

11.1 Environmental protection ............................................................................79

12 Extension and conversion ........................................................................ 79

13 Troubleshooting ...................................................................................... 80

14 Technical data ......................................................................................... 84

14.1 Weights ......................................................................................................84

15 Declaration of Incorporation ................................................................... 86

RE 15326-WA, Version 06.2020, Bosch Rexroth AB

This documentation | Hägglunds DUc Drive unit 5/88

1 This documentation

1.1 Validity of the documentation

This documentation applies to the Drive Unit Hägglunds DUc, European and

American version, and is intended for machine/system manufactures, tters and

service engineers.

This documentation contains important information required to transport,

install, commission, operate, use, service and dismantle the product safely and

professionaly.

▶Read this documentation completely before using the Hägglunds DUc

1.2 Required and additional documentations

▶Before commissioning the product, make sure to have received and fully

understood the documentations identied by the book symbol and observe

the instructions included in these documentations.

Table 1: Necessary and supplementary documentation.

Title Document no Document type

Order conrmation Order specic Order conrmation

Order documentation Order specic E.g. hydraulic and electric

diagrams, bill of material,

specications

Hägglunds Spider 2 RE 15330-WA User manual

Pump control Hägglunds ICp RE 15422 Data sheet

Hydraulic uid quick

reference

Hägglunds products

RE 15414 Data sheet

1.3 Presentation of information

Consistent safety instructions, symbols, terms and abbreviations are used in the

present documentation to facilitate orientation for the reader and to ensure safe

product handling. The explanations in the following sections will provide for easy

understanding.

6/88 Hägglunds DUc Drive unit | This documentation

Bosch Rexroth AB, Version 06.2020, RE 15326-WA

1.3.1 Safety messages

This documentation includes safety messages placed before sequential operating

procedures that may involve the risk of personal or property damage. The

described precautionary measures must be observed.

Safety messages are structured as shown below:

SIGNAL WORD

Type and source of risk

▶Consequences if disregarded

▶Precautionary measures

▶<listing>

• Warning sign: draws attention to the risk

• Signal word: identies the hazard level

• Type and source of risk: identies the type and source of the hazard

• Consequences: describes what occurs when the safety messages are of non

compliance type

• Precautions: indicates how the hazard can be avoided

Table 2: Risk categories to ANSI Z535.6-2006

Warning sign, signal word Meaning

DANGER Indicates a hazardous situation which, if not avoided, will

result in death or serious injury.

WARNING Indicates a hazardous situation which, if not avoided, could

result in death or serious injury.

CAUTION Indicates a hazardous situation which, if not avoided, could

result in minor or moderate injury.

NOTICE Indicates potential property damage: the product or the

environment may be damaged.

1.3.2 Symbols

The following symbols identify notices that are not safety-relevant, but enhance

the comprehensibility of the documentation.

Table 3: Meaning of the symbols

Symbol Meaning

When this information is not observed, optimum use or operation of the product

cannot be ensured.

▶Single, independent step

Numbered instructions:

The number indicates that the different steps are to be performed successively.

Center of gravity

Markings on packaging to indicate where the center of gravitiy are.

RE 15326-WA, Version 06.2020, Bosch Rexroth AB

Safety instructions | Hägglunds DUc Drive unit 7/88

2 Safety instructions

2.1 About this chapter

This product has been manufactured in strict compliance with the generally

accepted rules of technology. However, this does not exclude the risk of damage

to persons or property if this chapter and the safety instructions included in the

present documentation are not observed.

▶Read the entire documentation carefully before starting to use the product.

▶Keep this documentation in a location where it is accessible to all users at any

time.

▶When passing over the product to third parties, make sure to include the

necessary documentation.

2.2 Intended use

The Hägglunds DUc drive unit is a hydraulic power unit.

In the application the Hägglunds DUc Drive Unit is classied as a partly completed

machinery. The European version in the sense of the EU machine directive

2006/42/EC. A partly completed machinery is exclusively intended to form an

incomplete or a complete machine together with other components or partly

completed machineries. The Drive Unit may 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 machine directive.

Intended use includes having read and understood the complete documentation,

especially the chapter 2: Safety instructions.

The product is intended for the following use:

• Create hydraulic ow in a closed loop hydraulic system.

Special Drive Units

Standard Drive Units are not allowed to be used beside an ambient temperature of

-20 °C to 40 °C (-4 °F to 104 °F), or in areas with potentially explosive

atmospheres.

Drive Units intended for use in ambient temperature below 0 °C (32 °F), will be

tted with special optional equipment for preheating the hydraulic system before

start.

Observe the technical data, application and operating conditions and performance

limits as specied in the product-specic documentation and in the order

conrmation.

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Bosch Rexroth AB, Version 06.2020, RE 15326-WA

2.3 Improper use

Any use other than that described as intended use shall be considered as improper

and is therefore impermissible.

Bosch Rexroth shall accept no liability whatsoever for damage resulting from

improper use. The user shall bear all risks arising from improper use.

Similarly, the following foreseeable faulty usages are also considered to be

improper:

• Using outside the operating parameters approved in the product-specic data

sheet or in the order conrmation (unless customer-specic approval has been

granted)

• Use of uids outside of the standards as specied in RE15414 Hydraulic uid

quick reference.

• Modication of factory settings by non-authorized persons

• Use of add/on parts (e.g. mountable lter, control unit, valves) that are not

specied by Bosch Rexroth has to be approved by contact at Bosch Rexroth.

• Extension or conversion is not permissible and has to be approved by contact at

Bosch Rexroth.

• Using the Drive Unit in explosive environments unless the component or

machine/system has been certied as compliant with the local regulations.

• Using the Drive Unit in an aggressive atmosphere without necessary additional

measures.

2.4 Personnel qualications

The activities described in this documentation require basic mechanical, electrical

and hydraulic knowledge, as well as knowledge of the associated technical terms.

For transporting and handling the product, additional knowledge is necessary

with regard to working with a lifting device and the corresponding attachment

equipment. In order to ensure safe use, these activities may therefore only be

carried out by appropriate qualied personnel or an instructed person under the

direction and supervision of qualied personnel.

Qualied personnel are those who can recognize possible hazards and institute

the appropriate safety measures due to their professional training, knowledge, and

experience, as well as their understanding of the relevant regulations pertaining

to the work to be done. Qualied personnel must observe the rules relevant to the

subject area and have the necessary hydraulic, electric and automation knowledge.

Hydraulic knowledge means, for instance:

• Reading and fully understanding hydraulic diagram,

• Fully understanding in particular the interrelationships regarding safety devices

and having knowledge on the function and assembly of hydraulic components.

Electric knowledge means, for instance:

• Reading and fully understanding of electrical diagrams

• Certication for work with electrical equipment

Automation knowledge means, for instance:

• Reading and fully understanding of logic diagrams

• Knowledge of programmable equipment (PLC, VFD etc)

Bosch Rexroth offers training support for special elds. For more information

about training, please contact your Bosch Rexroth representative.

RE 15326-WA, Version 06.2020, Bosch Rexroth AB

Safety instructions | Hägglunds DUc Drive unit 9/88

2.5 General safety instructions

• Observe the regulations for accident prevention and environmental protection.

• Comply with the local safety provisions and regulations of the country in which

the product is used.

• Make sure to use Rexroth products in perfect working order.

• Strictly observe all instructions on the product.

• Persons, who assemble, operate, disassemble or maintain Rexroth products

must not consume any alcohol, drugs or pharmaceuticals that may affect their

ability to respond.

• Use exclusively accessories and spare parts explicitly approved by the

manufacturer to avoid accidents due to improper accessories and spare parts.

• Strictly observe the technical data and ambient conditions specied in the

product documentation.

• Inadequate products installed or used for safety-relevant applications may

produce unintended operating behavior and result in product or property

damage. For this reason, use a product in safety-relevant applications only on

condition that such use is specied and allowed in the corresponding product

documentation.

• Prior to commissioning the product, make sure that the end product (e. g. a

machine or line), into which Rexroth products are integrated, perfectly complies

with the country-specic provisions, safety regulations and standards applicable

to its use.

10/88 Hägglunds DUc Drive unit | Safety instructions

Bosch Rexroth AB, Version 06.2020, RE 15326-WA

2.6 Product-specic safety instructions

The safety instructions below apply to chapters 6: Transport and storage to 14:

Technical data

DANGER

Danger from suspended loads

Danger to life or risk of injury, damage to equipment.

Improper transportation may cause the Hägglunds Drive Unit to fall down lead to

injuries e.g. crushing or broken bones or damage to the product.

▶Make certain that the forklift truck or lifting device has adequate lifting

capacity.

▶Never stand under or put you hands under suspended loads.

▶Ensure your position is stable during transportation.

▶Use your personal protective equipment (e.g. protective goggles, safety gloves,

suitable working clothes, safety shoes).

▶Use suitable lifting device for transport and storage, installation and for

removal and repair. Make sure the electric motor is well mounted or anchored

when the lifting device is disconnected.

▶Observe the prescribed position of the lifting strap.

▶Observe the national laws and regulations on work and health protection and

transportation.

Pressurized machine/system

Danger to life or risk of injury, serious injuries when working on machines/systems

not shutdown! Damage to equipment.

▶Always lockout-tagout electric motors before maintenance.

▶Do not disconnect any line connections, ports and components when the

machine/system is pressurized.

▶Always ensure that no energy is accumulated before any measures.

▶Ensure that no pressure will enter the hydraulic system in the Drive Unit via

the hydraulic motor e.g. loads on the shaft or winch drum.

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