Coolant Replacement - Vetus M3.28 Operation Manual

4 Maintenance

47 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 necessary as part of the winter stor-
age procedure; in case that the coolant
present in the cooling system offers insuf-
ficient protection for the winter.
Be aware of the risk of skin burning dur-
ing draining the hot coolant! Used cool-
ant must be collected in a container for
proper disposal according to laws and
regulations.
42
1
VD01025
48 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.
Coolant replacement
Every 1000 operating hours.
14
VD01018
2
13