Volvo Penta TAMD162C, Instruction Book

Page: 25 / 84

23
1.
Let the engine idle for a few minutes with the
reverse gear in neutral after landing. This will even
out the engine temperature and prevent local
overheating which may cause the coolant to boil.
2.
Turn the key to stop position “S”. Release the key
when the engine has stopped (key will spring back
automatically into the 0 position). The key can then
be taken out.
Safety measures:
3.
Close the cooling water intake sea cock and the
fuel cocks. For antifreeze protection, see “Coolant”
on page 16. See also under the heading “When
there is a risk of freezing” on the next page.
4.
Switch off the main switches if the boat is not to be
used for some time.
5.
Inspect the engine and engine compartment for
any leaks.
After operation
Propeller shaft brake
Under certain operating conditions, the propeller may
make the propeller shaft rotate when the engine is
stopped. This rotation may damage the reverse gear
since its oil pump, which is driven by the integral shaft,
stops when the engine stops.
The propeller shaft can be permitted to rotate with the
engine stopped for up to 6–8 hours. After this time the
engine must be started for at least 5 minutes to ensure
the reverse gear is lubricated and cooled.
If the shaft is likely to rotate more quickly than during
normal operation, e.g. during sailing, a temperature
gauge should be fitted which monitors the temperature
of the oil.
The max. permitted temperatures are 110°C (230°F) for
Twin Disc and 95°C (203°F) for MPM reverse gears.
If the above conditions cannot be met a brake must be
installed. A temporary solution is to lock the propeller
carrier mechanically instead.
Note On Twin Disc MG516 the mechanical safety cou-
pling can be engaged, see instructions on page 25.