2122.6-0000010 OM
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2.4.3 Cab ventilation
During the conditioner operation in the cooling and heating modes, cab ventilation is
carried out at the same time. To make the conditioner operate only in the ventilation mode
it is necessary to close the heater control valve, set switch 2 (figure 2.4.1) in the position
“0” and switch 1 in any of three marked positions.
2.5 Cooling liquid drain from heating system
To drain cooling liquid from heating system, it is required to disconnect cab heater
pipes 3 (figure 2.5.1) from T-connectors 1, unscrewing clamps 2, and drain CL into a spe-
cial container. After cooling liquid drain, it is required to blow off the system with com-
pressed air. After blowing off, connect cab heater pipes 3 with T-connectors 1 and tighten
clamps 2.
Cab heater pipes 3 are located on the right of tractor cab.
1 – T-connector; 2 – clamp; 3 – cab heater pipe
Figure 2.5.1 – Cooling liquid drain from heating system
Neutralizer
(first stage)
Tank for
AdBlue reagent
Draining branch
of cab heating
Forcing branch
of cab heating
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