Vetus D-LINE VD4.120 Operation Manual page 65

6 Maintenance
41 Impeller inspection
• Inspect the impeller for damage.
• Replace the impeller if necessary.
1
42 Pump housing inspection
• Check the inside of the pump housing for
damage. Pay special attention to wear of
the cam (1).
• Replace the cam and/or the pump housing
in case of excessive wear.
Raw water pump inspection
Every 1000 operating hours.
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