Maintaining And Servicing The Product - Grundfos PS.R.05 Montage- Und Betriebsanleitung

9. Maintaining and servicing the product

See the installation and operating instructions for the pump and
the pump controller.
We advise you to make all maintenance and service
work when the pump is placed outside the pit.
Do not enter and work inside PS.R.05 - PS.R.12.
DANGER
Crushing and suffocation hazard
Death or serious personal injury
- Before entering PS.R.17, make sure that the cover
and safety grid are locked in open position and
that the pit is ventilated according to local
regulations. If not, do not enter the pit.
1
90°
3
Fig. 25 Opening PS.R.17
DANGER
Falling hazard
Death or serious personal injury
- When entering the pit, wear a safety harness and
use approved equipment for lifting persons up from
the pit according to local regulation.
All work in pits must be carried out according to local
regulations and supervised by at least one person
outside the pumping station.
When work is going on in or in the proximity of an
open pumping station or valve chamber, place proper
warning signs and correct safety barriers around the
pit in order to avoid that persons fall into the pit. The
warning signs must be visible from all directions.
2
90°
4
If the top opening is up to ∅1000, normal precaution
will be sufficient. Openings larger than ∅1000 must
be equipped with safety barriers or other safety
measures.
Pumps can be lifted by means of a crane, using the
lifting points.
Use proper slings or chains approved for lifting.
CAUTION
Biological hazard
Minor or moderate personal injury
- Use gloves and other suitable personal protection
equipment in accordance with local regulations.
Observe local regulations on exposure to
wastewater.
If natural light is insufficient, the maintenance staff
must use lamps.
Fig. 26 Lifting a free-standing pump for service
Fig. 27 Lifting a pump on auto coupling for service
17