72
6 Maintenance
Raw water pump inspection
Every 1000 operating hours.
Raw water pump inspection
44
The rubber impeller of the raw water pump
is not proof against running dry. If the water
supply has been blocked, it may be neces-
sary to replace the impeller. Always carry a
spare impeller on board.
Pump cover removal
45
Inspection where appropriate changing is
as follows:
Close the sea cock.
•
Remove the cover of the pump by un-
•
screwing the screws out of the housing.
Impeller removal
46
Use a special impeller puller or pipe
•
wrench to slide the impeller off the
shaft.
Mark the impeller to ensure correct re-in-
•
stallation if it is to be re-used. The impel-
ler must be installed in the same position
as removed.
VD00836
VD00837
n
ote
Only engines with intercooling!
1,2 x 6,5
8
Summary of Contents for DT4.70
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