11
.1
4
E
N
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
X
Check 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
X
Using a suitable tool, check and make
sure that the fan can move freely.
X
The fan must not touch the deflector.
X
Only 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
X
Carry out all maintenance work with the motor switched off.
X
Do not start the motor if the air filter cartridge is removed.
234
Summary of Contents for DFG 660
Page 3: ...11 14 EN 4...
Page 13: ...11 14 EN 14...
Page 26: ...27 11 14 EN...
Page 47: ...11 14 EN 48...
Page 129: ...11 14 EN 130 8 Optional equipment...
Page 141: ...11 14 EN 142 Drive the truck forward Press down on the hand lever 202...
Page 149: ...11 14 EN 150...