3-40
F - EVERY 2000 HOURS OF SERVICE
Carry out the operations described previously as well as the following operations.
F1 - COOLING LIQUID
DRAIN
Before changing the cooling liquid, check the seals and conditions 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. F411), discharge the excess pressure, then
remove the cap.
Turn the temperature regulator knob “2” (Fig. F1/2) present in the cabin completely.
Insert a tube (recommended length 1m) on drainage screw “3” (Fig. F1/3) present on the
engine.
Unscrew drainage screw “3” (Fig. F1/3) (1 - 2 turns) and let the cooling liquid flow out from the
engine block.
F1/3
F1/1
F1/2
-
1
2
+
3
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