Maintenance; Cleaning; Disposal; Warning - Grundfos ATEX Serie Instructions

9. Maintenance

Warning

Electrical connections may only be established by
qualified staff.
Observe the servomotor 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.
The crossed-out wheelie bin symbol on a product
means that it must be disposed of separately from
household waste. When a product marked with this
symbol reaches its end of life, take it to a collection
point designated by the local waste disposal
authorities. The separate collection and recycling of such
products will help protect the environment and human health.
See also end-of-life information at www.grundfos.com/product-
recycling.
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