Maintenance work on the carrier
7.3 Engine
13.02.2018
Maintenance manual 3 302 719 en 7 - 23
GMK6300L-1
7.3.8 Changing the coolant
Tools – Connecting piece and hose (toolbox).
– Receptacle, approx. 40 ltr (10.5 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 truck crane must be level.
– The engine must be switched off and secured against unauthorised
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 valve (2)
under the cab.
• Screw the connecting piece and hose on
to the valve (2) and drain the coolant;
à Handling the valves, p. 7 - 92.
• Remove the receptacle.
s
O
Risk of environmental damage due to leaking consumables.
Always let consumables drain into suitab
le receptacles. Wipe up
any consumables 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 cou
ld be scalded by escaping steam/coolant.
Wear suitable protective gloves and cover the cap on the expansion tank
with a ra
g before opening it.
Turn the cap slowly to the first detent in order to allow the pressure
to be released.
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