Vetus M2.13 - Coolant Replacement

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6 Maintenance
Coolant replacement
Every 1000 operating hours.
62 Coolant replacement
The coolant has to be replaced every 1000 op-
erating hours or at least once every two years.
N.B. Replacing the coolant may also be neces-
sary as part of the winter storage procedure;
in case that the coolant present in the cooling
system oers insucient protection for the
winter.
Danger
Be aware of the risk of skin burning during
draining the hot coolant! Used coolant must
be collected in a container for proper disposal
according to laws and regulations.
Warning
Cooling system protective liquids must be
disposed of in accordance with environmen-
tal regulations.
note
Keel cooler
How the cooling system in engines with
keel cooling should be drained depends
on the installation of the keel cooler.
Refer to the keel cooler manufacturer’s in-
structions for this.
Check using a coolant hydrometer wheth-
er the coolant is providing sucient pro-
tection against freezing if total draining o
is not possible.
VD00995
63 Preparation
• Remove the plug (1) and the ller cap (2) to
vent the cooling system.