Maintenance instructions
en
Additional instructions Wilo-Crono... IL/DL/BL... ATEX, Wilo-Vero... IPL-N/DPL-N... ATEX
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stationary ring of the mechanical seal) and in the brass spacer between impeller and the
rotating part of the mechanical seal.
The unobstructed movement of the drive shaft must be checked subsequently.
8.5
Unobstructed movement of the
drive shaft
Always perform a daily check of the pump for unobstructed movement of the drive
shaft.
Conspicuous noises which might indicate a grinding or blocking of the impeller must be
noted during operation.
Subject to change without prior notice!