KSB COBRA-TDC01/03, Инструкция по установке и эксплуатации

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7 Servicing/Maintenance
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COBRA-TDC01/03
8194.8/02-EN
7.2.2 Inspection work
7.2.2.1 Lubrication
NOTE
Use only lubricants that are suitable for drinking water applications. Observe the
national and/or local applicable regulations.
1. Clean any dirty components.
2. Re-lubricate the valve disc sealing element, O-ring and gasket whenever they
have been replaced.
7.2.3 Dismantling the valve
7.2.3.1 General information/Safety regulations
WARNING
Hot surface
Risk of injury!
▷
Allow the valve to cool down to ambient temperature.
WARNING
Unqualified personnel performing work on the valve
Risk of injury!
▷
Always have repair work and maintenance work performed by specially trained,
qualified personnel.
Always observe the safety instructions and information. (
ð
Section 7, Page 21)
In the event of damage you can always contact Service.
7.2.3.2 Preparing the valve
1. Depressurise and drain the valve.
7.2.3.3 Dismantling the piping
ü The notes and steps stated in ( ð Section 7.2.3.1, Page 22) to have been
observed or carried out.
1. Undo the fasteners.
2. Hold the two pipe flanges apart so that the liner will not be damaged.
3. Remove the valve from the piping and place it on a clean, level assembly
surface.
7.2.3.4 Removing the valve disc sealing element
ü The valve is accessible.
ü The valve has been disconnected from the pipe on one side at least.
1. Fully open valve disc 2.
2. Loosen retaining ring 3.
3. Undo nuts and bolts 11 (COBRA-TDC01) or 14 (COBRA-TDC03).
4. Remove and clean gasket 7 (COBRA-TDC01) or 10 (COBRA-TDC03) and retaining
ring 3.