Belarus 80.1 Operation Manual page 30

- tighten plugs 8, first loosen clamps 7 and then disconnect hoses 6 from the left
and right sides of the cabin;
- blow off the system with compressed air;
- after blowing off close the heater valve, by turning handle 1 clockwise against the
stop, connect hoses 6 and tighten clamps 7;
- check, and if necessary, refill coolant into the expansion tank to the upper edge of
the expansion tank fastening clamp.
With valve 2 installed drain coolant from the heating system in the following way:
- close the heater valve, by turning handle 2;
- drain coolant into special reservoir, opening drain plugs 8 from the left and right
sides of the cabin;
- blow off the heating system with compressed air;
- tighten plugs 8 from the left and right sides of the cabin;
- check and if necessary refill coolant into the expansion tank to the upper edge of
the expansion tank fastening clamp.
Coolant draining from the heating system shall only be performed by the dealer, as
the operation requires dismantling / installation of certain elements of the SCR system.
ATTENTION: WHEN HEATER FAN IS OPERATED IN HEATING MODE CAB VENTI-
LATION IS PERFORMED SIMULTANEOUSLY. TO OPERATE HEATER FAN IN VENTILA-
TING MODE ONLY (DURING WARM SEASON) THE HEATER'S VALVE SHOULD BE
CLOSED!
Your tractor can be equipped with a fan instead of cab heater fan.
1 – stop fitting; 2 – recirculation screen; 3 – cabin fan switch; 4 – deflector
To do the ventilation of the cabin it is necessary to perform the following:
- turn on the fan with the help of switch 3 and direct the air flow in the right direction
with the help of deflectors 4;
- the volume of air ventilated into the cab can be controlled by opening recirculation
screens 2.
Figure 2.4.2 – Elements of cab fan control
30
80-0000010B OM