OPERATOR'S STATION COOLING OPERATION 1. Press AUTO Switch (9) 8 9 The AUTO and the A/C indicators come ON. Then, the air temperature at the vent, blower speed, vent locations, and air suction ports are automatically controlled by the air conditioner amplifier according to signals sent from various sensors. 2. Operate Temperature Control Switch (11). Set temperature control switch (11) so that 25.0 is indi- cated on LCD (7). Control air temperature inside the cab using this switch as necessary. 11 12 13 14 6 M178-01-075 3. As Necessary: • Operate Mode switch (14) to manually select the air vent. • Operate blower switch (6) to manually control the blower speed.
• Operate fresh air mode switch (13) to maintain the air vent in the fresh air circulation mode. • Operate circulation mode switch (12) to maintain the air suction port in the circulation mode. In case the front window (lower) becomes clouded, manually close the defroster vent (3). 3 M1U1-01-025 DEFROSTER OPERATION 8 9 1. Press AUTO Switch (9). Temperature-controlled air blows out. During cold weather season when starting the en- gine, the engine coolant temperature and air tempera- ture in the cab are low. Then, cool air is restricted not to flow in the cab to the minimum (LO) by the Heater Start- Operation Control System. 2.
Set temperature control switch (11) so that 25.0 is indi- cated on LCD (7). Set fresh air vent switch (13) in the fresh air circulation mode. 11 13 14 M178-01-074 3. Select the front vents using MODE switch (14). or the front and rear vents 1 Control air flow direction by adjusting the louvers at the front vent (1) and the defroster vent (3). Control air temperature in the cab by operating temperature control switch (11). If the windowpanes become clouded in rainy season or when dehumidifying, turn the indicator of A/C switch (8) ON. 3 M1U1-01-025 1-63