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TAMD63: Zinc anode in CAC rear end cover
Replacing the seawater pump impeller
Close sea cock before working on cooling
system.
1. Remove the pump’s end cover. Pull and twist out
the pump impeller using pliers.
2. Clean inside the housing. Lubricate the pump
housing and the inside of the cover with a little lu-
bricating grease.
3. Push in the new impeller with a rotating move-
ment:
TAMD63 – clockwise.
TAMD71 and TAMD72 – counterclockwise.
4. Reinstall the cover together with a new gasket.
Always keep a spare pump impeller and gas-
ket on board.
5. Open the sea cock. Start the engine and check
for leaks.
TAMD63: Zinc anode in heat exchanger’s front end
cover
Removing the seawater pump impeller
4. Replace the anode if more than 50% of it has
been consumed. Otherwise clean the anode with
an emery cloth to remove the oxide layer.
NOTE! Do not use a wire brush or other steel
tools when cleaning, as these may damage the
galvanic protection.
5. Install the zinc anode(s). Ensure that there is
good metallic contact between the anode and the
material.
6. Close the drain cock. Open the sea cock before
starting the engine. Check for leaks.
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