![Vetus DT4.70 Operation Manual Download Page 75](http://html1.mh-extra.com/html/vetus/dt4-70/dt4-70_operation-manual_1010382075.webp)
73
6 Maintenance
Raw water pump inspection
Every 1000 operating hours.
47 Impeller inspection
Inspect the impeller for damage.
•
Replace the impeller if necessary.
•
Re-install the impeller
48
The impeller should be lubricated with
•
glycerin or a non-petroleum based lu-
bricant such as a silicone spray before
fitting 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).
The direction of rotation of the impeller is
•
anti-clockwise.
Replacing the pump cover
49
Always use a
•
new O-ring when replacing
the cover.
Check the water filter and open the sea
•
cock.
VD00127
VD00004
VD
i
mpeller
+ o-r
ing
,
art
.
Code
:
STM8074
o-r
ing
,
art
.
Code
:
08-00360
Summary of Contents for DT4.70
Page 1: ...Operation manual DT4 70 DTA4 85 ...
Page 2: ...ii ...
Page 141: ...139 ...
Page 142: ...140 ...