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R+W Antriebselemente GmbH
Hattsteinstraße 4
63939 Wörth am Main
R+W EK2 Elastomer Coupling
Type EK2/xxx/D/xx/xx for use in hazardous area
Translation of Original operating instructions in German
EK2 20-800 englisch.docx
The operating instructions are an essential part of the EK2 elastomer coupling. It provides information for proper assembly, operation
and maintenance. Please read them carefully and observe all instructions. Failure to do so may lead to malfunctions or failure of the
EK2 elastomer coupling. The installation of the coupling may only be carried out by trained personnel.
EK2 elastomer coupling may only be used in accordance with the technical data specified here.
Operation Manual
EK2 Elastomer Coupling series 20 to 800
GENERAL INFORMATION, USE
PLANNING AND TECHNICAL DATA
ASSEMBLY AND DISASSEMBLY
FIRST COMMISSIONING AND OPERATION
MAINTENANCE AND REPAIR
SPARE PARTS AND CUSTOMER SERVICE
Page
1
Created
2019-12-19
SAFETY AND
1
2
3
4
5
6
Of
10
Version
2021-08-13

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Summary of Contents for R+W EK2

  • Page 1 SPARE PARTS AND CUSTOMER SERVICE The operating instructions are an essential part of the EK2 elastomer coupling. It provides information for proper assembly, operation and maintenance. Please read them carefully and observe all instructions. Failure to do so may lead to malfunctions or failure of the EK2 elastomer coupling.
  • Page 2 2021-08-13 1. SAFTY AND GENERAL INFORMATION, USE This manual enables the appropriate personnel for the respective activity to handle the EK2 elastomer coupling over their lifetime phases. Residual risks to persons and materials exist in certain activities. These activities are marked with warnings.
  • Page 3 Page Operation Manual Created Version EK2 Elastomer Coupling series 20 to 800 2019-12-19 2021-08-13 Warning signs These warning signs are used in the alerts. Symbol Importance General warning Warning of explosive atmosphere Warning of floating loads Warning of hand injuries caused by rotating parts with danger of...
  • Page 4 Keep this guide in an appropriate place. Provide these instructions with the elastomer coupling during an operator change. Intended use in compliance with Directive 2014/34/EU (ATEX) Only EK2 elastomer couplings with elastomer insert made of black, conductive TPU material with marking D at the end of the product code are suitable for use in potentially explosive areas:...
  • Page 5 Deposits: The operator must ensure that no dust accumulates in a dangerous amount between the EK2 elastomer coupling and the coupling protection. The coupling must not run in a dust filling.
  • Page 6 Marking The EK2/xxx/D/xx/xx elastomer couplings for use in potentially explosive atmospheres are marked with a job-specific identification number. The last digit is the end digit of production year. Regarding Directive 2014/34/EU (ATEX), it is a device that receives a CE mark and an EU declaration of conformity.
  • Page 7 R+W EK2 elastomer couplings have an H7 fit. The fit play of the shaft/hub connection must be in the tolerance of 0.01 to 0.05mm. Elastomer couplings compensate lateral, axial and angular shaft offsets. In the table you will find maximum permissible guide values for the individual types of relocation.
  • Page 8: Assembly And Disassembly

    Storage EK2 couplings are supplied pre-assembled with screws secured against self-loosening. After the goods receipt inspection, the coupling must be stored in its original packaging and only unpacked for assembly. Handed over unpacked to the assembly in potentially explosive areas.
  • Page 9 Precise alignment Precise alignment of the devices connected by the EK2 couplings increases the service life of the elastomer insert. The loads for the adjacent components are reduced and the smooth running of the entire drive train is positively influenced.
  • Page 10: Maintenance And Repair

    Page Operation Manual Created Version EK2 Elastomer Coupling series 20 to 800 2019-12-19 2021-08-13 Rotating drive elements are hazard potentials and can cause serious injury when touching or feeding body parts or clothing. • Do not reach into the working area of the coupling when it is still spinning.