Maintenance work on the superstructure
8.3 Engine
16.08.2018
Maintenance manual 3 302 577 en 8 - 25
GMK7450
8.3.8 Changing the coolant
Tools – Receptacle, approx. 15 l (4 gal); à P. 2 - 4.
– Antifreeze;
à Engine manufacturer’s documentation.
Prerequisites – Information on the coolant and admixture ratio has been obtained;
à Engine manufacturer’s documentation.
– The engine must not be running and must be secured against unauthor-
ised use;
à P. 2 - 3.
– The engine has cooled down.
s
O
Risk of environmental damage due to leaking consumables!
Always let consumables drain into suitable recept
acles. Wipe up any con-
sumables that escape.
Store/dispose of consumables and any soaked equipment properly.
Ask about the applicable regulations.
G
There is a risk of scalding when the cooling circuit is hot!
The hot cooling circuit is under pressure. When you open the expansion
tank, you could be scal
ded by escaping vapour/coolant.
Wear suitable protective gloves and cover the cap on the expansion tank
with a rag before op
ening it.
Turn the cap slowly to the first detent in order to allow the pressure to be
released
.
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