ServiceManual

ToC
05 COOLING SYSTEM
SERVICE MANUAL MARINE ENGINES
05.03.03 Exchange sacrificial anodes
The raw water circuit of the cooling system is equipped
with five sacrificial anodes. These anodes are to be
removed once a year and checked for galvanic
erosion. In case of a material loss of 50 %, the anode
needs to be exchanged (SW23) .
1 Anodes 1 and 2 (ill.2/pos.1-2) are on the intercooler.
2 Anodes 3 is in the high riser (elbow).
3 Anodes 4 and 5 (ill.2/pos.4-5) are on the heat
exchanger.
03.03 ill.1
4 Illustration 1 shows a new anode.
NOTE:
For operation with fresh water,
magnesium anode sticks are
recommended.
03.03 ill.2
Page COOLING SYSTEM - 30 Z001019/0_6_July 2008