
D/21
- ATTENTION: - Read the SAFETY REGULATIONS (contained in this manual) carefully for the safety of all personnel and your vehicle.
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Replacing cooling liquid
For correct replacement of cooling liquid:
1. Stop the vehicle on a flat surface.
2. Switch off the engine and remove the ignition key, hang up
a sign in the cab that reads “maintenance work under way”.
3. Place a container under the radiator to collect any cool-
ing liquid which may come out during replacement.
5. Remove the sleeve (fig.28/D, pos.”1”) to drain radia-
tor water; remove the loading cap (fig.27/D Pos.”1”) to
speed up the emptying process.
6. Allow the cooling circuit to drain completely.
7. Check the conditions of the sleeves and their fastenings.
Replace them if necessary.
8. Rinse the radiator with clean water, pouring it in the top
up cap (fig.27/D Pos.”1”), making it drain through the
sleeve inlet (fig.28/D Pos.”1”). If necessary, add a deter-
gent product to the clean water.
9. Once cleaning has been completed, close the drain inlet
by reinserting the sleeve (fig.28/D Pos.”1”).
10. Fill up the cooling system from the cap (fig.27/D Pos.”1”)
up to level (3 cm below the radiator cap) with the previ-
ously prepared cooling liquid.
11. Close the cap (fig.27/D Pos.”1”) and switch on the en-
gine and allow it run at minimum for a few minutes.
12. Make sure that there are no leaks, check the level and, if
necessary, add more liquid.
- ATTENTION -
Use demineralised water to fill the cooling system. Cal-
careous water may cause incrustations and premature
system ageing.
- ATTENTION:
Always wear suitable protective clothing during these operations.
- ATTENTION:
Waste coolant is potentially harmful to the environment and
must be disposed of appropriately.
- ATTENTION -
The radiator must always be filled with a distilled water
and anti-freeze solution in order to prevent corrosions
and freezing of the water in the system.
The mixture percentages can be found on the anti-
freeze boxes.
(fig.28/D)
(fig.27/D)
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