Grundfos PS.W.04, Инструкция по установке и эксплуатации

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English (GB)
18
8.1 Repairing a non-return valve
Non-return valve placed inside the pumping station
1. Close the isolating valves. See fig. 36 .
2. Remove the two screws on the non-return valve cover. See
fig. 35 .
3. Replace worn-out valve balls, and clean the valves inside.
4. Close the valve cover and tighten the screws.
5. Open the isolating valves. See fig.
35 .
Fig. 35 Gooseneck with valves
Fig. 36 Non-return valve
8.2 Contaminated pumps
For further information, see the installation and operating
instructions for the pump.
8.3 Service contract
It is possible to make a service contract with Grundfos.
9. Disposing of the product
This product or parts of it must be disposed of in an
environmentally sound way:
1. Use the public or private waste collection service.
2. If this is not possible, contact the nearest Grundfos company
or service workshop.
3. If it is not possible to dispose of the product as a complete
unit, the pump and installation equipment can be removed
from the pit, and the pit can be filled and covered.
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.
CAUTION
Pressurised system
Minor or moderate personal injury
- Relieve the pressure by draining the system before
dismantling the non-return valve.
CAUTION
Biological hazard
Minor or moderate personal injury
- Remove the fuses or switch off the main switch
before dismantling the non-return valve.
Make sure that the power supply cannot be
accidentally switched on.
CAUTION
Biological hazard
Minor or moderate personal injury
- Rinse the non-return valve thoroughly with clean
water before carrying out maintenance and
service.
Make sure that the isolating valves cannot be
accidentally opened.
When entering the valve chamber, do not step on
pipes or valves.
TM
06
34
84
06
15
Isolating valve
Non-return valve
TM
06
17
5
6
27
14
CAUTION
Biological hazard
Minor or moderate personal injury
- Flush the pump thoroughly with clean water, and
rinse the pump parts in water after dismantling.
Non-return valve Non-return valve,
exploded view