12
CHECKS BEFORE START
BOperation
C Heating
1. Adjust the blower (1/2/3) switch and the temperature
control lever to achieve the desired temperature level.
A In summer when the heater is not used, keep the
temperature control lever at the "COOL" (rightmost)
position. Otherwise, hot air will raise the temperature
in the CAB.
C Dehumidifying-heating
1. Press and turn on the air-conditioner switch.
2. Turn on the blower (1/2/3) switch.
3. Adjust the temperature control lever to the "COOL" or
an intermediate position to achieve the desired
temperature level.
A Be sure to close the door while the air conditioner is
ON.
C Cooling
1. Press and turn on the air-conditioner switch.
2. Turn on the blower (1/2/3) switch.
3. Adjust the temperature control lever to the "COOL" or
an intermediate position to achieve the desired
temperature level.
A Be sure to close the door while the air conditioner is
ON.
C Defrosting or demisting
To defrost or demist the windshield, take the following
steps.
1. Open the front air outlet and direct it to the windshield.
2. Set the blower switch and the temperature control
lever to the "3" and "WARM" (leftmost) positions,
respectively.
HANDLING THE SAFETY DEVICES
BControl Lever Lock
A When the excavator is not used or left unattended,
be sure to place the lock lever in position "Lock".
The attachment control lever lock is located on the left
side.
(1) Lock lever for attachment control
(A) "Lock"
(B) "Unlock"