Checking The Coolant Level; Check Coolant Level - Vetus M4.55 Operation Manual

4 Maintenance
VD01131
(3/8")
VD00158
4 Checking coolant level
Check the coolant level in the header tank.
This has to be checked when the engine
is cold.
Remove the cap of the filler neck on the
heat exchanger.
The level of the coolant must be approx.
1 cm (3/8") below the lower edge of the
filler neck.
VD01130
If necessary, top up.
When topping up coolant, remove the
bolt from the upper side of the thermostat
cover, so that air can escape from the
cooling system.
W
arning
Never open the cap on the header tank
when the engine is at operating tempera-
ture.
Checking coolant level
Daily, before starting.
VD01129
5 Topping up coolant
The internal cooling system can be filled
with a mixture of anti-freeze (40 %) and tap
water (60 %) or with a special coolant. For
specification, see page 87.
C
aution
Never fill the cooling system with sea
water or brackish water.
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