Vetus M4.55 Operation Manual page 55

4 Maintenance
i , . : StM7463
Mpeller art Code
VD00127
48 Impeller inspection
• Inspect the impeller for damage.
• Replace the impeller if necessary.
n
ote
Only engines with intercooling!
VD00004
49 Re-install the impeller
• The impeller should be lubricated with
glycerin or a non-petroleum based lubri-
cant such as a silicone spray before fit-
ting 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).
Raw water pump inspection
Every 1000 operating hours.
o-r , . :
ing art Code
STM7686
VD00582
50 Replacing the pump cover
• Replace the cover with a new O-ring.
• Check the water filter and open the sea
cock.
STM7696
53