CARE AND MAINTENANCE 7
MHL380 D 7.53
7.9.4.1 Coolant level
h Chapter 7.6.3.1 Coolant level in the engine
cooling circuit
7.9.4.2 Checking the antifreeze
h Chapter 7.6.3.2 Checking the antifreeze
7.9.4.3 Cleaning the cooler
h Chapter 7.6.5 Cleaning the cooler
7.9.4.4 Changing the coolant in the com-
bined water-charge air cooler
h Replace as described in chapter 7.8.3
Maintenance and inspection plan
Burns due to hot fluids and sur-
faces
• All work on the cooling system
(e.g. opening the cooler cap, re-
moving hoses) is only to be car-
ried out when the diesel engine
and the coolant have cooled
down.
• Wear suitable protective clothing
and safety goggles.
In an emergency: Administer first
aid, seek treatment from a doctor
Collect old coolant with a suitable
reservoir. Do not allow it to seep
into the ground or water! Give to an
authorized waste disposal company
to dispose of in an environmentally-
friendly manner.
â–º
Park the machine on level ground.
â–º
Place a basin under the diesel engine and
cooler to collect the coolant.
â–º
First release the pressure from the cooling
system cover (201/1) and then from the
cooler.
â–º
Unscrew the protective cap from the drain
valve (202/1).
â–º
Open the drain valve on the cooler (202/1),
drain coolant and dispose of it in compli-
ance with environmental regulations.
Fig. 201 Cooling system sealing cover
Fig. 202 Coolant drain plug on cooler