3 . INSTRUMENTS AND CONTROLS
3.19
Challenger MT500B EU
3
3.10.3.9 - Air conditioning button
The tractor icon on the LCD screen indicates the recycling
function selected by the button 3 and the corresponding in-
dicator light comes on when the compressor is used.
When recycling is in ON position, the air conditioning unit
is normally on, and can be switched off by pressing the but-
ton 3.
3.10.3.10 - Air recycling (ref. 5)
Recycling is in automatic mode and varies depending on
the external temperature.
If the Recycling button 5 is pressed once (ON position) an
arrow is displayed inside the tractor icon on the LCD
screen.
If the Recycling button 5 is pressed twice (OFF position) an
arrow is displayed outside the tractor icon on the LCD
screen.
If the Recycling button 5 is pressed a third time, automatic
control is restored and the letter A (automatic) appears in
the tractor icon.
Each time the unit is activated, if the external temperature
is higher than a pre-determined level, before overriding the
recycling function wait 2 minutes to change the air inside
the cab.
NOTE: If external temperatures are high, it is advisable
to work with the system in Recycling mode, with con-
trol knob 1 in automatic position.
3.11 - SUN VISOR
(Fig. 26)
To adjust the visor pull vertically down to desired position.
To raise visor pull cord (1).
3.12 - ROOF HATCH
(Fig. 27)
This hatch is normally used to ventilate the cab.
The hatch is opened by pressing the button located on the
handle and pushing the hatch upwards.
To fully open the hatch (emegency exit), push hard on the
handle to force the gas cylinders from their holders. To
close the hatch, pull it downwards to engage the ends of
the gas cylinder rods in the supports, and continue pulling
the hatch downwards until it clicks into locked position.
Z2-435-05-03
3
5
Z2-436-05-03.
1
Fig. 26
Z2-356-01-04
Fig. 27
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