Cab Heater Control
To put the cab heater into operation,
proceed as follows:
1. Open the cock (1) from the left-hand
side of the engine over fine fuel filter.
Turn the cock handle counterclock-
wise against the stop. Make sure the
coolant circulates in heater system
slightly turning off the drain plug (4)
from the right-hand side of the cab.
Tighten the drain plug.
2. Turn on the heater fan using the
switch (3), located on the upper panel
of cab roof.
3. By opening or closing recirculation
shutters (2) you can control the
amount of fresh air coming into the
cab from the outside. Adjust the air-
flow direction through controlled
channels.
Note: If you want to warm-up air in the
cab quickly, open the recirculation
shutters fully and switch the heater fan
to high speed using switch (3).
Drain plugs (4) from the left-hand side
and from the right-hand side of the cab
are provided for system emptying filled
with water in the frost season. To avoid
ice plugs, aerate the system with com-
pressed air, but before it close water
dump valves from water radiator and en-
gine cylinder block and replace the radia-
tor cap.
Note: For vent mode of the system in
the warm season the cock (1) has to
be closed.
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