3.8 Operation at low temperature
environment
3.8.1 Engine cooling system
The long-life antifreeze and anticorrosion
coolant applied by the engine cooling system can be
kept unfrozen above -35C. If the vehicle has to work
in the environment below -35C, the coolant
concentration should be increased appropriately.
△
! CAUTION: The mixture of antifreezes of
two different brands is not allowed. Before
changing the antifreeze, thoroughly clean the
cooling system.Selection of coolant at different
freezing points based on local ambient
temperature，The selection principle is the air
temperature is about 10C lower than the freezing
point.
3.8.2 Brake system
Drain off the water condensed in the air reservoir in
case of freezing, and note to check the air dryer for
working condition.Under normal condition, the
service life of desiccant in the air dryer is half a year.
If any oil-water mixture is drained from air reservoir,
air dryer is ineffective and the desiccant should be
replaced immediately.
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