SKF DU1-GKS EEX Bedienungsanleitung

951-181-015-EN

Version 03

2020/11/16

Operating Instructions

following ATEX directive 2014/34/EU

Pressure-controlled change-over device

DU1-GKS EEX

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951-181-015

Version 03

EU Declaration of conformity following ATEX directive 2014/34/EU, annex X

The manufacturer, SKF Lubrication Systems Germany GmbH, Walldorf Facilities, Heinrich-Hertz-Str. 2-8, DE - 69190 Walldorf hereby declares under sole re-

sponsibility that the electrical equipment

Designation: Pressure-controlled change-over device

Types: DU1-GKS EEX

Part numbers: 617-xxxxx-x

Year of construction: See type identification plate

complies with all relevant European Union harmonisation legislation at the time when first being launched in the market.

The technical documentation was prepared following:

○ATEX directive 2014/34/EU annex VIII (2) was drawn up and stored at the named conformity assessment body (CE0123)

Furthermore, the following directives and harmonized standards were applied in the respective applicable areas:

2011/65/EU RoHS II

Standard

EN ISO 80079-36:2016 EN 1127-1:2011

EN ISO 80079-37:2016 EN 50581:2012

The machinery must not be put into service until the final machinery into which it is to be incorporated has been declared in conformity with the previsions of

ATEX directive 2014/34/EU and any other applicable directives.

Walldorf, 2019/08/01

Jürgen Kreutzkämper

Manager R&D Germany

Stefan Schürmann

Manager PD Germany South

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Version 03

Legal notice

Training courses

In order to provide a maximum of safety and

economic viability, SKF carries out detailed

training courses. It is recommended that the

training courses are attended. For more in-

formation please contact the respective SKF

Service address.

Warranty

The instructions do not contain any informa-

tion on the warranty. This can be found in

our general terms and conditions.

Disclaimer

The manufacturer shall not be held respon-

sible for damages caused by:

○non appropriate use

faulty assembly, operation, setting, main-

tenance, repair, negligence or accidents

○Use of inappropriate lubricants

○Improper or late response to

malfunctions

○Unauthorized modifications of the

product

○the use of non-original

SKF spare parts

Liability for loss or damage resulting from

the use of our products is limited to the

maximum purchase price. Liability for

consequential damages of whatever kind is

excluded.

Legal notice

Manufacturer

SKF Lubrication Systems Germany GmbH

e-mail: Lubrication-germany@skf.com

skf.com/lubrication

Manufacturer's facilities

Head Office

Walldorf Facilities

Heinrich-Hertz-Str. 2-8

69190 Walldorf

Germany

Phone +49 (0) 6227 33-0

Fax: +49 (0) 6227 33-259

Berlin Facilities

Motzener Straße 35/37

12277 Berlin

Germany

Phone +49 (0)30 72002-0

Fax +49 (0)30 72002-111

www.skf.com/lubrication

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951-181-015

Version 03

EN Table of contents

Table of contents

EU Declaration of conformity following ATEX directive 2014/34/EU ..........2

Legal notice .................................................................................................3

Explanation of symbols, signs and abbreviations........................................6

1. Safety instructions.........................................................................8

1.1 General safety instructions....................................................................8

1.2 General behaviour when handling the product...................................8

1.3 Intended use............................................................................................ 9

1.4 Foreseeable misuse................................................................................9

1.5 Painting of plastic parts.......................................................................... 9

1.6 Modifications of the product................................................................10

1.7 Prohibition of certain activities............................................................10

1.8 Inspections prior to delivery ................................................................10

1.9 Other applicable documents................................................................10

1.10 Notes related to the type identification plate.....................................11

1.11 Notes related to the CE marking .........................................................11

1.12 Persons authorized to operate the pump ..........................................12

1.12.1 Operator.................................................................................................12

1.12.2 Specialist in mechanics ........................................................................12

1.12.3 Specialist in electrics ............................................................................12

1.12.4 Specialist for maintenance and repairs in potentially

explosive atmospheres.........................................................................12

1.13 Briefing of external technicians...........................................................12

1.15 Transport, installation, maintenance, malfunctions, repair,

shutdown, disposal ...............................................................................13

1.17 Cleaning .................................................................................................14

1.16 Initial commissioning, daily start-up ..................................................14

1.18 Special safety instructions regarding explosion protection .............15

1.19 Expiry of the ATEX approval.................................................................16

1.20 Operation in explosion-protected areas.............................................16

1.21 Explosion protection marking..............................................................16

1.22 Residual risks ........................................................................................17

1.23 Residual risks ATEX...............................................................................18

2. Lubricants................................................................................... 20

2.1 General information .............................................................................20

2.2 Selection of lubricants..........................................................................20

2.3 Material compatibility...........................................................................20

2.4 Temperature characteristics................................................................20

2.5 Ageing of lubricants..............................................................................21

3. Overview, functional description ................................................ 22

4. Technical data ............................................................................. 25

4.1 Technical data of the DU1 EEX............................................................25

4.2 Position switch ......................................................................................26

4.3 Tightening torques ...............................................................................27

5. Delivery, returns, and storage .................................................... 28

5.1 Delivery..................................................................................................28

5.2 Returns ..................................................................................................28

5.3 Storage...................................................................................................28

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Table of contents

6. Installation.................................................................................. 29

6.1 General information .............................................................................29

6.2 Place of installation...............................................................................29

6.3 Minimum assembly dimensions .........................................................30

6.3.1 Installation bores ..................................................................................31

6.4 Lubrication line connection .................................................................32

6.5 Adjusting the change-over pressure..................................................33

6.5.1 Increase the change-over pressure....................................................33

6.5.2 Reduce the change-over pressure......................................................33

6.6 Electrical connection of the position switch.......................................34

7. Initial start-up ............................................................................ 35

7.1 Inspections prior to initial start-up.....................................................35

7.2 Inspections during initial start-up ......................................................35

8. Operation.................................................................................... 36

8.1 Activating the DU1 EEX........................................................................36

9. Cleaning ...................................................................................... 37

9.1 Cleaning agents.....................................................................................37

9.2 Exterior cleaning ...................................................................................37

9.3 Interior cleaning....................................................................................37

10. Maintenance ............................................................................... 38

11. Troubleshooting.......................................................................... 39

12. Repairs........................................................................................ 40

12.1 Specialist for maintenance and repairs in potentially

explosive atmospheres.........................................................................40

13. Shutdown and disposal............................................................... 41

13.1 Temporary shutdown ...........................................................................41

13.2 Final shutdown and disassembly ........................................................41

13.3 Disposal..................................................................................................41

14. Spare parts ................................................................................. 42

14.1 Position switch ......................................................................................42

Declaration of conformity of the position switch...................................... 43

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Version 03

EN Explanation of symbols, signs and abbreviations

Explanation of symbols, signs and abbreviations

General warning Dangerous electrical voltage Risk of falling Hot surfaces

Unintentional intake Crushing hazard Pressure injection Suspended load

Electrostatically sensitive

components Risk of explosion Explosion-protected

component

Wear personal protective

equipment (goggles)

Wear personal protective

equipment (face shield)

Wear personal protective

equipment (gloves)

Wear personal protective

equipment (protective clothes)

Wear personal protective

equipment (safety shoes)

Disconnect product from

mains General obligation

Keep unauthorized persons

away Protective earth Safety extra-low voltage

(SELV) Safe galvanic isolation (SELV)

CE marking Disposal, recycling Disposal of waste electrical

and electronic equipment

Warning level Consequence Probability Symbol Meaning

DANGER Death, serious

injury imminent Chronological guidelines

WARNING Death, serious

injury possible Lists

CAUTION Minor

injury possible Refers to other facts, causes, or consequences

NOTICE Property damage possible

The following abbreviations may be used within these instructions. Symbols within safety notes mark the kind and source of the hazard.

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Explanation of symbols, signs and abbreviations

Abbreviations and conversion factors

re. regarding °C degrees Celsius °F degrees Fahrenheit

approx. approximately K Kelvin Oz. Ounce

i.e. that is N Newton fl. oz. fluid ounce

etc. et cetera h hour in. inch

poss. possibly s second psi pounds per square inch

if appl. if applicable d day sq.in. square inch

a.a.r. as a rule Nm Newtonmeter cu. in. cubic inch

incl. including ml millilitre mph miles per hour

min. minimum ml/d millilitre per day rpm revolutions per minute

max. maximum cc cubic centimetre gal. gallon

min. minute mm millimetre lb. pound

etc. et cetera l litre hp horse power

e.g. for example dB (A) sound pressure level kp kilopound

kW kilowatt > greater than fpsec feet per second

U Voltage < less than conversion factors

R resistance ± plus/minus Length 1 mm = 0.03937 in.

I current Ø diametre Area 1 cm² = 0.155 sq.in

V volt kg kilogram Volume 1 ml = 0.0352 fl.oz.

Wwatt rh relative humidity 1 l = 2.11416 pints (US)

AC alternating current ≈about Mass 1 kg = 2.205 lbs

DC direct current = equal to 1 g = 0.03527 oz.

A ampere % per cent Density 1 kg/cc = 8.3454 lb./gal(US)

Ah ampere hour ‰ per mille 1 kg/cc = 0.03613 lb./cu.in.

Hz frequency [Hertz] ≥greater than Force 1 N = 0.10197 kp

nc normally closed ≤less than Pressure 1 bar = 14.5 psi

no normally open contact mm2square millimetre Temperature °C = (°F-32) x 5/9

OR logical OR rpm-1 revolutions per minute Output 1 kW = 1.34109 hp

&logical AND Acceleration 1 m/s² = 3.28084 ft./s²

Speed 1 m/s = 3.28084 fpsec.

1 m/s = 2.23694 mph

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EN 1. Safety instructions

1. Safety instructions

1.1 General safety instructions

○The owner must ensure that safety infor-

mation has been read by any persons en-

trusted with works on the product or by

those persons who supervise or instruct

the before-mentioned group of persons.

In addition, the owner must also ensure

that the relevant personnel are fully fa-

miliar with and have understood the con-

tents of the Instructions. It is prohibited to

commission or operate the product prior

to reading the Instructions.

○These Instructions must be kept for fur-

ther use.

○The described products were manufac-

tured according to the state of the art.

Risks may, however, arise from a usage

not according to the intended purpose

and may result in harm to persons or

damage to material assets.

○Any malfunctions which may affect safety

must be remedied immediately. In addi-

tion to these Instructions, general statu-

tory regulations for accident prevention

and environmental protection must be

observed.

1.2 General behaviour when handling the

product

○The product may be used only in aware-

ness of the potential dangers, in proper

technical condition, and according to the

information in these instructions.

○Familiarize yourself with the functions

and operation of the product. The speci-

fied assembly and operating steps and

their sequences must be observed.

○Any unclear points regarding proper

condition or correct assembly/ operation

must be clarified. Operation is prohibited

until issues have been clarified.

○Unauthorized persons must be kept

away.

○Precautionary operational measures and

instructions for the respective work must

be observed.

○Responsibilities for different activities

must be clearly defined and observed.

Uncertainty seriously endangers safety.

○Safety-related protective and emergency

devices must not be removed, modified

or affected otherwise in their function

and are to be checked at regular intervals

for completeness and function.

○If protective and safety equipment has to

be dismantled, it must be reassembled

immediately after finishing the work, and

then checked for correct function.

○Remedy occurring faults in the frame of

responsibilities. Immediately inform your

superior in the case of faults beyond your

competence.

○Wear personal protective equipment.

○Never use parts of the centralized lu-

brication system or of the machine as

standing or climbing aids.

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1. Safety instructions

1.3 Intended use

Changing over of the main lines within a

centralized lubrication system following

the specifications, technical data and limits

stated in these Instructions:

Usage is allowed exclusively for professional

users in the frame of commercial and eco-

nomic activities.

1.4 Foreseeable misuse

Any usage differing from the one stated in

these Instructions is strictly prohibited. It is

expressly forbidden to be used:

○outside the indicated temperature range

○with non-specified means of operation

○with contaminated lubricants or lubri-

cants with air inclusions

○with lubricants the temperature of which

exceeds the maximum admissible ambi-

ent temperature

○without adequate pressure control valve

○in areas with aggressive or corrosive ma-

terials (e.g. high ozone pollution). These

may affect seals and painting.

○in areas with harmful radiation (e. g. ion-

ising radiation)

○to supply, transport, or store hazardous

substances and mixtures in accordance

with annex I part 2-5 of the CLP regula-

tion (EG 1272/2008) and marked with

GHS01 - GHS06 and GHS08 hazard

pictograms.

○to feed, forward, or store gases, liquefied

gases, dissolved gases, vapours, or fluids

whose vapour pressure exceeds normal

atmospheric pressure (1013 mbar) by

more than 0.5 bar at the maximum per-

missible operating temperature.

○to feed, forward, or store lubricants con-

taining volatile solvents

○in explosive gas and vapour atmos-

pheres, the ignition temperature of which

is smaller than 125 % of the maximum

surface temperature

○in explosive dust atmospheres, the mini-

mum ignition and glow temperature of

which is smaller than 150 % of the maxi-

mum surface temperature

○In a different, more critical potentially

explosive atmosphere than stated on

the type identification plate of the pump

used.

○with damaged or lacking ATEX paint-

ing or ATEX painting done wrongly later

on. The painting must comply with the

standards valid for ATEX.

○with change-over devices delivered with-

out painting

1.5 Painting of plastic parts

Painting of any plastic parts or seals of the

described products is expressly prohibited.

Remove or tape plastic parts completely

before painting the superior machine

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951-181-015

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EN 1. Safety instructions

1.6 Modications of the product

Unauthorized conversions or modifica-

tions may result in unforeseeable impacts

on safety. Therefore, any unauthorized

conversions or modifications are expressly

prohibited.

1.7 Prohibition of certain activities

Due to potential sources of faults that may

not be visible or due to legal regulations

the following activities may be carried out

by manufacturer specialists or authorized

persons only:

○Repairs or changes to the drive

○Replacement of or changes on the

pistons.

1.8 Inspections prior to delivery

The following inspections were carried out

prior to delivery:

○Safety and functional tests

○Electrical inspections following DIN EN

60204-1:2007 / VDE 0113-1:2007.

○In case of explosion-protected products:

Inspections following the requirements of

the ATEX Directive.

1.9 Other applicable documents

In addition to these instructions, the fol-

lowing documents must be observed by the

respective target group:

○Operational instructions and approval

rules

○Safety data sheet (SDS) of the lubricant

or material used

Where appropriate:

○Project planning documents

○Any documents of other components

required to set up the centralized lubrica-

tion system

○Operator's explosion protection

document

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