Maintenance work on the carrier
7.3 Engine
7 - 30 3 302 574 en Maintenance manual
GMK3060
03.11.2017
7.3.9 Changing the coolant
Tools – Receptacle, approx. 20 l (5.3 gal); à p. 2 - 4.
– Antifreeze 20 l (5.3 gal);
à Engine manufacturer’s documentation.
Prerequisites – Information on the coolant and admixture ratio has been obtained;
à Engine manufacturer’s documentation.
– The truck crane must be level.
– The engine must not be running and must be secured against unauthor-
i
sed use;
à p. 2 - 3.
– The engine has cooled down.
Changing
Draining when the engine is cold
• Open the cap (1) on the expansion tank.
• Place a receptacle under the screw (2) on the
radiator under the driver's cab.
• Unscrew the drain plug (2) and let the cool-
ant drain off.
• Fit a new gasket and tighten the screw (2).
• Remove the receptacle.
O
Risk of environmental damage due to leaking consumables!
Always let consumables drain into suitable receptacles. Wipe up any
consumables that escape.
Store/dispose of consumable
s 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 scalded by escaping vapour/coolant.
Wear suitable protective gloves and cover the cap on
the expansion tank
with a rag before opening it.
Turn the cap slowly to the first detent in order to allow the pressure to be
released.
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