3
29
MHT 10120 L M
Series
F
F
4
4
- CHANGE THE COOLING LIQUID IN THE COOLING
SYSTEM
ATTENTION: Open the cap for filling the cooling system only if
the temperature of the liquid is less than 90°C/194°F.
In any case, it is obligatory to use protective gloves and
clothing as well as safety goggles.
Before changing the cooling liquid, check the seals and condi-
tions of the cab cooling and heating system.
Drain the cooling liquid
Before draining the liquid, cover the cables, piping etc, present
under the drainage screw.
Place a container under the drainage screw large enough to hold
the quantity of liquid to be collected.
Gradually open the cap on the tank “1” (Fig. F4/1), discharge the
excess pressure, then remove the cap.
Turn the temperature regulator knob “2” (Fig. F4/2) present in the
cabin completely.
Insert a tube (recommended length 1m) on drainage screw “3”
(Fig. F4/3) present on the engine.
Unscrew drainage screw “3” (Fig. F4/3) (1 - 2 turns) and let the
cooling liquid flow out from the engine block.
FIG. F4/3
FIG. F4/1
FIG. F4/2
1
-
+
2
3
3
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