11.14 EN
180
Check the coolant concentrate
Tools and Material Required
– Anti-freeze tester for coolants
Procedure
• Slowly unscrew the filler cap (246) from the expansion vessel (247).
• Check the anti-freeze content of the coolant with an anti-freeze tester.
NOTE
Incorrect coolant concentration can cause malfunctions
X
If there is insufficient anti-freeze content arrange for trained personnel to restore
the correct mix ratio.
• Screw the filler cap back on.
• Fit the rear bonnet again and snap it back into position.
Check the cooler and fan and clean if necessary
Procedure
Z The cooling unit is located under the service panel (234).
• Open the service panel (234) completely.
• Clean the cooling unit carefully using compressed air without touching the cooling
multi-plates.
• Close the service panel.
CAUTION!
A damaged cooler and fan can be dangerous
XCheck the cooler and fan for damage. If the radiator or fan are damaged, do not
operate the truck until the damage has been rectified.
CAUTION!
A broken fan can be dangerous
XUsing a suitable tool, check and make
sure that the fan can move freely.
XThe fan must not touch the deflector.
XOnly start the motor when the cover is
closed.
4.10.3 Cleaning and Replacing the Air Filter Cartridge
DANGER!
A running motor can be dangerous
XCarry out all maintenance work with the motor switched off.
XDo not start the motor if the air filter cartridge is removed.
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