(g.42/D)
2
(g.41/D)
1
1
(g.43/D)
C
B
A
WATER/OIL RADIATOR
MOD. AGRI FARMER 28.7-28.9-30.7-30.9
- ATTENTION -
These operations must be carried out when
the engine is cold.
Radiator grill cleaning
Radiator grills (fig.41/D Pos.”1”, fig.42/D Pos.”1”) and air
recirculation networks (g.43/D Pos.”A-B-C”) must be kept
as clean as possible to allow for maximum heat exchange
between the radiator and the circulating air. To remove im-
purities, use a low pressure air jet directing it from the inside
towards the outside. Then pass the jet of air on the inner
parts covered with dirt. If dirt is particularly compact, soften
it with a low pressure water jet before using the air.
- ATTENTION
Consult the engine operation and maintenance handbook be-
fore using jets of air or water.
- ATTENTION
Heat exchange flaps are very delicate. Do not use rags or
brushes to clean them. Jets of water and air must be direc-
ted horizontally.
Cooling liquid level check
During normal vehicle use, the water level should be at 3 cm
under the radiator cap (g.41/D Pos.”2”).
Verication of the correct level of cooling liquid must be car-
ried out as follows:
1. Stop the vehicle on a at 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. Slowly turn the radiator cap (fig.41/D Pos.”2”) counter-
clockwise until reaching the safety pin.
4. Discharge pressure and steam.
5. Remove the cap.
6. Check the coolant level. If necessary, top up using a mix-
ture of water and antifreeze.
7. To reinsert the cap follow these steps in the opposite order.
- ATTENTION
If frequent top ups are necessary in normal working conditions,
verify that there are no cooling system leaks. Contact a DIECI
after-sales centre if problems arise.
- ATTENTION -
Use demineralised water to ll the cooling system. Cal-
careous water may cause incrustations and premature
system ageing.
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