Driver Controls and Instruments COOL WARM 1 2 3 1 2 1 2 3 3 1 2 3 10/28/94 f830364a 1. Fan Switch 2. Air Selection Switch 3. Temperature Control Switch 4 5 10/28/94 f830368a 1. Fan Switch 2. Air Selection Switch 3. Temperature Control Switch 4. AC On-Off Lever at the Off Position 5. Air Source Lever at the Fresh Air Position Fig. 3.31, Climate Control Panel, Equipped With Heater Only control the mixing of recirculated cab air with fresh air from the outside. Fig. 3.32, Climate Control Panel, Equipped With Heater and Air Conditioner Windshield defrost outlets can be moved to direct air flow, but the door window defrost outlets have nonad- justable louvers.
A temperature control switch is used to select the de- sired temperature. Turn the switch counterclockwise for cool air, or clockwise for warm air. See Fig. 3.34 for location and function of all dash outlets. All of the dash-face outlets have adjustable louvers that pivot right and left, and up and down. Close an outlet by moving the lever all the way up or, open an outlet by moving the lever all the way down. See Fig. 3.33 . IMPORTANT: If equipped with air conditioning, do not operate the heater and air conditioning system with the air source lever in the recirculation mode 3.45