11. EXPLANATION OF COMPONENTS 11.11.2 METHOD OF OPERATION Vent mode Condition selector switch of use FACE Cooling FACE FOOT FOOT Heating FOOT Defroster DEF FACE When carrying out the defrosting, if the temperature control switch is set so that all lamps are red, this will improve the perform- ance for defrosting and demisting. With the FACE vents, it is possible to adjust the direction of the air flow and to turn it on or off. However, do not set to the FACE mode with the vents closed. WHEN NOT USING THE AIR CONDITIONER REGURARLY To lubricate each part of the compressor, occasionally operate cooling, dehumidifying and heating for a few minutes.
REMARK When temperature in the cab is low, the air conditioner may not operate. In such cases, warm the air inside the cab by recirculating, and then turn on the air conditioner. 2-42 Fan switch Air conditioner switch Temperature control switch External/internal air changeover switch Rapid HI ON All green RECIRC Normal HI-LO ON More than half are green FRESH HI-LO ON More than half are red FRESH Rapid HI OFF All red RECIRC Normal HI-LO OFF More than half are red FRESH HI ON More than half are red FRESH HI-LO OFF All green FRESH