4-3
Switches and Controls (cont’d)
Heater/Air Conditioning Controls
Located on the right console, the heater/air conditioning
controls are used in conjunction with the heater fan controls.
Air Conditioning On/Off
Press switch X to switch the air conditioning system on or
off. The
system will only operate if the cab temperature
is above
0 °C (32 °F).
Fresh Air/Recirculated Air
Turn rotary switch A fully anti-clockwise for fresh air, turn it
fully clockwise for recirculated air. (Intermediate positions
give a mixture of fresh and recirculated air.)
Heater Fan
Turn rotary switch B clockwise to turn on the heater fan.
Turn further clockwise for faster speeds. Functions only with
the starter switch ON.
Temperature
Turn rotary switch C clockwise to increase the heat.
Vents
Air can be distributed as required using the vents shown in
the illustration opposite. The vents can be adjusted for both
direction and flow.
Using the Air Conditioning
1 In hot weather to produce comfortable working
conditions.
a Close the door and windows. Turn on the air
conditioning switch X.
b Set control A fully anti-clockwise to avoid drawing
hot air in from outside the cab.
c Set control B to the required fan speed.
d Set control C as required to achieve the required
temperature.
2 In cold/damp weather, to minimise misting.
a Close the door and windows. Turn off the air
conditioning switch X.
b Set control A fully clockwise to avoid drawing damp
air in from outside the cab.
c Set control B to the required fan speed. Adjust the
vents as required to direct maximum air to the
windows.
d Set control C as required to achieve the required
temperature.
Section 1 General Information
9803/9330
Section 1
4-3
Issue 1
Operation
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