KSB KWT51, Installation & Operating Manual

Page: 22 / 30

7 Maintenance
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KWT51
1974.95/01-EN
CAUTION
Using previously used sealing elements
Damage to the KSB quench system!
▷
All sealing elements must be replaced whenever the flange connections are
separated.
▷
The use of previously used sealing elements is not permitted.
CAUTION
Removing the sight glass of the quench reservoir
Loss of quench liquid!
▷ When the sight glass of the quench reservoir is removed, the corresponding
sealing element always has to be replaced.
1. Check the fill level in the quench reservoir: every 48 operating hours
ð If the fill level in the quench reservoir has dropped to the minimum level, top
it up with the corresponding buffer fluid . (
ð Section 6.2, Page 16)
2. Check the surface of the quench reservoir for corrosion: once a year
ð
Perform checks more frequently if light oil or glycol are used as the buffer
fluid .
ð The measured wall thickness must not be less than indicated in the order
documentation incl. drawing. (
ð Section 9, Page 25)
ð The quench reservoir has no special opening for inspecting the interior. If
necessary, this can be performed with an endoscope.
3. Perform regular checks to ensure that the return line, which runs from the
mechanical seal to the reservoir, has a higher temperature than the supply line.
This ensures effective circulation of the buffer fluid .
4. Regularly check the piping.
NOTE
Each quench reservoir is equipped with a name plate displaying the most important
technical data (e.g. operating and application limits).
In normal operation of the pump (set), checking the fill level is sufficient to ensure
correct operation.