OPERATOR'S STATION FAN ROTATING DIRECTION DEVICE(Optional) 1 2 When fan rotating direction switch (3) is turned ON, the fan rotates in reverse, and the radiator, the oil cooler, and the inter cooler core can be cleaned. 1. Turn all control levers (1) to neutral with engine running. Then, pull the pilot control shut-off lever (2) up to the LOCK position. 2. Turn off the air conditioner switch. 3. Raise the armrest, press fan rotating direction switch (3) to down the engine speed. Then, after approx. 20 sec- onds, the fan rotates in reverse for approx. 60 seconds. 4. Then, after approx. 20 seconds, the fan rotating direction returns to normal. Armrest M1U1-01-025 IMPORTANT :
In case the pilot control shut-off lever (2) is not in the LOCK position, the fan rotating direction switch device deactivates. Air con- ditioner may be damaged, if the fan rotating direction switch (3) is pressed with using air conditioner. 3 M1J1-03-001 3 M1J1-01-019 1-60