43
Maintenance: Freshwater system
Coolant. Drain
WARNING! Stop the engine and allow it to cool
down before draining. Hot fluids and hot surfac-
es can cause burns.
WARNING! Glycol is a health hazard (poison).
Collect the old coolant and leave it to a destruc-
tion plant.
1. Remove the filler cap (1).
2. Open ventilation cocks (2) by the turbocharger
and (3) on the thermostat housing. Open also the
ventilation cock on the charge air cooler (4) on
systems without seawater circuit.
3. Open the cocks shonw in “Coolant. Drain”. Open
also the cocks shown in “Seawater system. Drain”
on systems without seawater circuit. Collect the
fluid in a suitable receptacle.
IMPORTANT! Make sure the coolant really
runs out. It may be necessary to clean away
deposits inside the drain cocks.
4. Drain any other systems such as heater, water
heater, etc., connected to the freshwater system
too.
5. Close all cocks.
TAMD103
4
2
3
TAMD122
2
3
4
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