Air Conditioning Operation - Valtra F Series Operator's Manual

3. Operation
Defrosting the windscreen
Close the air recirculation control (E) to remove the
humidity in the cab. When clear, open the air
recirculation control to recirculate air that has
already been heated. Open and direct the louvres
(B) and (C) to the windscreen. Set the blower
control (D) to maximum. To defrost the side
windows and rear window, close or partial close all
the front louvres so as to obtain the required
volume of air out of the rear louvres.
Dusty Conditions
Close the air recirculation control (E) and run the
blower on maximum to pressurise the air in the
cab.

3.1.16 Air Conditioning Operation

Operating the System
Make sure that all doors, windows and the
1.
roof hatch are closed.
With the engine running, turn ON the air
2.
conditioner temperature control (2).
Turn ON the blower motor (1) to mid speed.
3.
Open fully the air recirculation control (4) by
4.
moving the control lever LEFT. This will
recirculate the air that has been already
cooled to give the best cooling effect.
86
Fig. 74
Fig. 75
Fig. 76
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F Series
39940211 (555124)