Coolant level
I
DANGER
Never open the coolant filler cap
or any plug of the cooling system
when the engine is operating
or warm. Steam or hot fluid can
spray out.
Always check the coolant level
before starting the engine.
1.
Stop the engine and remove
the key from the panel.
2.
Turn the coolant filler cap
slowly to the first stop and let any
pressure escape from the system
then remove the cap.
3.
Coolant level should lie be-
tween the filler neck lower edge
and the level spur.
4.
Top-up using clean water only.
5.
Reinstall the coolant filler cap.
6.
Check the coolant level in the
recovery tank (if fitted). It should
lie between the Min and Max
mark of the recovery tank. Add
clean water if necessary.
NOTICE:
The Min and Max level
indicated on the recovery tank (if
fitted) does not indicate the correct
level of coolant.
Draining the coolant
circuit
1.
Stop the engine and remove
the key from the panel.
2.
Put a container under the heat
exchanger drain plug
to collect
coolant.
3.
Remove the cap
and the
plug
.
4.
Drain off all coolant. Drain off
the recovery tank and the hoses.
5.
Insert a hose into the heat
exchanger filler port
. Rinse
with fresh water until water which
flows from the drain port
is
clean.
6.
Reinstall the drain plug
and
fill with coolant to the correct
level.
43
Summary of Contents for N4.115
Page 1: ...Nanni marine engine Operator s manual Engines N4 115 N4 140...
Page 19: ...N4 115 N4 140 16 1 2 3 13 15 7 9 4 6 19 14 16 5 8 10 11 17 18...
Page 25: ...Note 22...
Page 64: ...61 Note...
Page 65: ......
