HEATING AND AIR CONDITIONING CONTROLS
Figure 17. Heater and Air Conditioning Controls.
Fan Speed Switch
Turn switch counterclockwise to OFF position. Turn switch
clockwise to operate fan at low, medium, high, and maximum
To pressurize cab to prevent dust entry when neither heating
nor cooling is desired, adjust fan speed and temperature to
comfortable levels. Do not activate air conditioning.
Temperature Variable Control
Adjust temperature from minimum (full left) to maximum (full
Air Conditioning Switch
Push top of switch to activate air conditioning. Push bottom of
switch to deactivate air conditioning.
To defog windshield, activate air conditioning and adjust fan
speed and temperature to decrease moisture level in cab.