Cooling system
OPM 260 en-GB
48
©
Scania CV AB 2021, Sweden
Checking the sea water pump
impeller
1.
Drain the sea water circuit as described in the
Draining the sea water circuit
section.
2.
Remove the sea water pump cover. See illus
-
tration.
3.
Check that the vanes of the impeller are not
heavily splintered or damaged.
Renewing the sea water pump impel-
ler
Special tool
Note:
If the impeller must be renewed frequently, the
cleaning of the sea water needs to be improved.
There should be a spare impeller and puller on
board.
The impeller can be deformed during extended
periods of inactivity. Renew the impeller before
starting or remove the impeller before longer pe
-
riods of stoppage.
1.
Pull out the impeller using the puller. Note
the direction of rotation of the impeller
vanes.
2.
Fit a new impeller and cap. Check that the
cap seal is not hard or damaged.
IMPORTANT!
When fitting the new impeller, bend the vanes in
the same direction as on the old one.
Number
Designation
Illustration
98 482
Puller
3
3
0
5
9
3
326
94
2
3
2
5
1
6
5