32
TRACTOR SURVEY
F_02_18 F_02_19 F_02_20
CAB INTERIOR FAST COOLING
Proceed as follows:
1 - Shift the heating valve control lever
(A) to the left position
2 - Set the air circulation controller (D) in
the cab to the position of internal re-
circulation.
3 - With the fan controller (B) select the
appropriate speed of the fan (posi-
tions 1, 2, 3)
4 - With the switch (C) activate the air
conditioning system
5 - Place the breathers to the required
angle so that the individuals in the
cab are not blown over directly (dan-
ger of falling sick due to intensive
cooling of some parts of the body).
HEATING AND AIR CONDITIONING
SYSTEM PROPER OPERATION
With the internal air re-circulation
switched on the intake of fresh air is
closed and the breathing up of air in the
interior of the cab by the operator may
take place. Such a situation may result
in sensation of fatigue.
Note: For the work set the controller (D)
to a position between (a) and (b) in ac-
cordance with the individually required
temperature so that the fan intakes air
from outside through the filters into the
cab.
IMMEDIATELY AFTER THE CAB
COOLING
As soon as the cab cooling is got and the
internal temperature is lowered to the re-
quired one, proceed as follows:
− Shift the air circulation controller (D)
from the position (b – air re-circulation)
to the position (a – outdoor air admis-
sion)
− For a smooth air temperature regulation
with the air conditioning on, gradually
semi-open the heating valve (A). With
such an arrangement the air getting into
the cab from the breathers is not dried
so intensively.
− The smooth air temperature regulation
with the air conditioning on may also be
performed by reducing the fan output
with shifting the controller (B) to the po-
sition 1 or 2.
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