Technical data

65
6 Maintenance
Raw water pump inspection
Every 1000 operating hours.
47 Impeller inspection
• Inspect the impeller for damage.
• Replace the impeller if necessary.
48 Re-install the impeller
• The impeller should be lubricated with
glycerin or a non-petroleum based lubri-
cant such as a silicone spray before tting it
into the impeller housing.
• Fit the impeller to the pump shaft. (if an
existing impeller is re-used, install it in the
same position as removed).
49 Reinstall the pump cover
• Reinstall the cover with a new O-ring.
• Check the water lter and open the sea
cock.
VD00004 VD00127 VD00927
impeller + o-ring, art.Code: STM7691 o-ring, art.Code: STM7696