Controls
Operator comfort 63
Adjusting heating and ventilation
These instructions are only basic recommendations and each op-
erator should experiment to achieve the best possible working en-
vironment in an enclosed cab.
For maximum warmth:
n Ensure heater shut off taps at engine are open
n Open all vent louvers.
n Turn the temperature control switch (3) fully clockwise.
n Turn the fan speed switch (1) to position 3.
n When a comfortable level is reached, turn the temperature
switch (3) until the required temperature is maintained. Turn
the fan speed switch (1) to position 1 or 2.
For a comfortable working temperature:
n Turn the temperature control knob (3) counterclockwise until
a comfortable temperature is reached.
n Reduce the fan speed (1) to 1 or 2.
To defrost or demist the front and rear windshields:
n Turn on the defroster fan switches (4 and 5).
n Adjust the upper front facing louvers and the lower vent lou-
vers towards the side windows.
Cab ventilation
n The cab can also be ventilated by opening the doors. Secure
the doors in the open position by pushing them all the way
open until they latch against the stop on the side of the cab.
n Release the door by pulling the release lever beside the seat.
Adjusting air conditioning
For maximum cooling:
n Turn the fan speed switch (1) to the maximum position.
n Turn on the air conditioning switch (2).
n Turn the temperature control switch counterclockwise to the
minimum position.
n Open the two recirculation vents in the back of the left-hand
door post.
n When the temperature has dropped to the required level, turn
the fan speed switch to 1 or 2. Adjust the temperature control
to a comfortable level.
For a comfortable working temperature:
n Turn the temperature control knob (3) clockwise until a com-
fortable temperature is reached.
n Reduce the fan speed (1) to 1 or 2.
1 Fan speed switch
2 Air conditioner on/off switch
3 Temperature control switch
4 Front defroster fan switch
5 Rear defroster fan switch
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