Grundfos CR Instrucciones De Instalación Y Funcionamiento página 6

8.2.1 Cleaning a clogged ejector
1. Pull the ejector out of the well/borehole. Keep the ejector in its
normal vertical position so that any impurities do not flow back
into the pipework.
2. Separate the ejector from the pipes.
3. Flush the pipes to remove any impurities.
4. Screw the diffusor (the long pipe) off the ejector housing.
Remove only the strainer and foot valve if they are clogged.
5. Screw the nipple (the short pipe) off the ejector housing and
pull out the internal strainer.
6. Check and clean the stainless steel nozzle and the inside of
the ejector housing.
7. Assemble the ejector.
9. Disposal
This product or parts of it must be disposed of as described in the
installation and operating instructions of CR, CRI, CRN.
6
Subject to alterations.