Grundfos PS.G Series, Инструкция по установке и эксплуатации

Страница: 18 / 38

English (GB)
18
9. Maintaining and servicing the product
See the installation and operating instructions for the pump and
the control system.
Fig. 31 Opening the pit
We advise you to make all maintenance and service
work when the pump is placed outside the pit.
WARNING
Toxic material
Death or serious personal injury
- Before entering the pit, make sure that the pit is
ventilated according to local regulations. If not, do
not enter the pit.
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 regulations.
WARNING
Crushing and suffocation hazard
Death or serious personal injury
- Before entering the pit, 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.
WARNING
Electric shock
Death or serious personal injury
- Before starting any work on the product, make
sure that the power supply has been switched off
and that it cannot be accidentally switched on.
TM
06
16
70
26
14
90°
1 2
3 4
90°
Check the ladder supplied by Grundfos, the service
platform and the fastening of these at least once per
year for cracks, corrosion or other irregularities.
Observe local regulations.
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 regulations.
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.
If the top opening is up to
∅
1000, normal precautions
are 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.