Coolant Replacement - Vetus M4.15 Operation Manual

Maintenance

Coolant replacement

The coolant has to be replaced every
1000 operating hours or at least once
every two years.
N.B. Replacing the coolant may also be
5
necessary as part of the winter storage
procedure; in case that the coolant pres-
ent in the cooling system offers insuffi-
cient protection for the winter.
Be aware of the risk of skin
burning during draining the
hot coolant! Used coolant
must be collected in a con-
tainer for proper disposal
according to laws and regulations.
42
VD01072
Draining of coolant
Remove the drain plugs from the engine
block (1) and heat exchanger (2). Remove
the filler cap to vent the cooling system
and check that all the coolant has been
drained. After draining replace the drain
plugs.
1
14
VD01073
Coolant replacement
Every 1000 operating hours.
2
13