4
INFORMATION ABOUT USE
EN 30
4.6 Coolant filling
Important
• Before proceeding with operation, read Par. 3.2.2 .
Warning
• An anti-freeze protection liquid (ANTIFREEZE) - mixed with decalcified water - must be used.
• The freezing point of the refrigerant mixture depends on the amount concentration in water.
• As well as lowering the freezing point, the antifreeze also raises the boiling point.
• A 50% mixture is recommended to ensure a general level at protection prevents the formation of
rust, galvanic currents and calcium deposits.
NOTE: Before proceeding with any operation
on the engine, stop it and allow it to cool.
Warning
• Presence of steam pressurized coolant
danger of burns.
1.
Loosen the cap A and fill the radiator
with coolant composed of:
50% ANTIFREEZE and 50%
decalcified water.
2.
Top liquid up until the pipes inside the
radiator are covered by about 5 mm.
Do not overfill the radiator, but leave
room for the coolant to expand.
3.
For engines equipped with expansion
tank, pour in fluid until reaching the
max level mark.
4.
Loosen the screw C, release any air
and tighten the screw C (Tightening
torque of 8 Nm - Fig. 4.6 ).
5.
Re-tighten the cap A .
6.
After a few hours of operator, stop the
engine and allow the liquid to cool
returns to a ambient temperature and
check the coolant level again.
Fig. 4.3
Fig. 4.4
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