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9. Maintenance
Warning
Electrical connections may only be established by
qualified staff.
Observe the servomotor's manufacturer's
instructions supplied with the servomotor.
Warning
Tools meeting the requirements of EN 1127-1
Appendix A must be used for all operations on
pumps in potentially explosive atmospheres.
There is a general ban on the use of any type of steel
tool in Zone 1 if there is a risk of explosion due to
materials in Explosion Group IIB and hydrogen
sulphide, ethylene oxide or carbon monoxide.
Warning
Switch off the entire system before making any
repairs!
Switch off the power supply before opening the
cover!
Warning
Risk of explosion due to overheating of the
servomotor.
Prescribed maintenance operations must be carried
out at regular intervals in order to ensure continued
conformity with the requirements of Directive 2014/
34/EU.
9.1 Cleaning
In order to prevent heat accumulating due to dust
Caution
deposits on the servomotor, the servomotor must be
cleaned at regular intervals.
It is the responsibility of the operator to set suitable intervals.
Dust must not be allowed to accumulate > 2 mm.
10. Disposal
This product or parts of it must be disposed of in an
environmentally sound way. Use appropriate waste collection
services. If this is not possible, contact the nearest Grundfos
company or service workshop.
Subject to alterations.
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