Vetus M4.55 Operation Manual page 63

4 Maintenance
VD01131
• Remove the filler cap from the top of the
heat exchanger housing to allow air into
the system and check that all coolant
has drained off.
VD01019
61 Removal of bolts out of the end
covers
Take out both central bolts from the end
covers and take the end covers with the
O-rings out of the housing.
Cleaning the heat exchanger
5
VD01137
Only engines with intercooling!
6
n
ote
61