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7.7
CAUTION
If there is danger of freezing, the pump must be drained ahead of time. For this
purpose open the drain plug (582) in order to drain off all liquid. Also drain all
pipes subject to freezing.
8.
In Case of Malfunction
The sealing between the motor and the pump housing is done by means of a
mechanical seal (433). It is normal that a few drops of medium) seep through
once in a while, especially during the break-in period. Depending on the
concentration of the transported medium and the duration of operation said me-
chanical seal may become leaky after some time. If the liquid penetrates
continuously, replace the complete mechanical seal (433) by a new one (see par.
7.5).
In case of malfunction we recommend contacting the pool builder of the
unit first.
If ball bearings must be replaced, bearings with C3 air and high-temperature
grease (approx. 180°C) are to be used!
When restarting the pump, refer to item 6.
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