OPERATOR'S STATION CAB HEATER OPERATION 7 8 11 9 10 (Although warm air will flow out of the front/defroster vent, front/rear/defroster vent, or front/rear/foot/defroster vent, normally the foot vent is used for heating opera- tion.) After selecting the foot vent mode by operating mode switch (10), set the desired temperature using temperature control switch (9). If AUTO switch (11) is pressed, warm air will blow out from foot vent (15). The blower speed can be adjusted manually using blower switch (7). In addition, if air conditioner switch (12) is turned on while us- ing the cab heater, air in the cab will be also dehumidified.
12 M178-01-017 M1U1-01-025 15 COOLING OPERATION (Although cool air will flow out of the front/defroster vent , front/rear/defroster 5 6 7 8 11 9 10 vent, normally the front vent or front/rear/ defroster vent is used for cooling operation.) After selecting either the front/defroster vent mode vent, or front/rear/foot/de-froster or the front/rear/defroster vent mode by operating mode switch (10), set the desired temperature using temperature control switch (9). If AUTO switch (11) is pressed and air conditioner switch (12) is ON, cool air will blow out from front/defroster vent or front/ rear/defroster vent. The blower speed can be adjusted manually using blower switch (7).
In addition, if the outer surface of the lower front window becomes clouded, close defroster vent (3). (The louver on the defroster vent can be closed by hand.) 12 13 14 M178-01-017 M1U1-01-025 3 1-72