Terex TL120 Operating Instructions Manual page 75

7.8.3.3 Cleaning the cooling fins
Machine damage
due to overheated engine.
• Thoroughly clean the cooler to prevent
overheating of the engine and/or the
hydraulic oil.
• Clean the combined cooler (Fig. 37) from the
outlet side with compressed air.
• Clean with cold detergent or a steam-jet appliance
if required, e.g. if there is oil in the cooler.
• After cleaning, run the engine until it reaches
operating temperature to dry the cooler.
7.8.3.4 Changing the coolant
Danger of scalding
due to hot coolant getting into contact with
skin or eyes.
• Only open the cooler cap after the engine
has cooled down.
• Park the machine on a level surface.
• Switch off the engine and allow the cooling
system to cool down.
• Remove the cooler cap (37/1).
• Unscrew the water-drain plug (38/1) on the
cylinder block and drain coolant.
• Remove the bottom water hose on the cooler and
drain coolant.
• Flush the cooling system with clean water if
required.
• Re-fit the drain plug to the engine and the water
hose.
• Fill the cooling system with coolant (
close the cap.
• Start the engine and bring to operating
temperature, switch off and allow to cool down.
• Check the coolant level and top up (several times,
if required).
Operating Instructions Wheel Loader TL120
Fig. 37 Combined cooler
1
3.9, 28) and
Fig. 38 Changing the coolant
Care and Maintenance
1
7
75