• When running the air conditioner, always start with the engine running at low speed. Never
start the air conditioner when the engine is running at high speed. It will cause failure of the air
conditioner.
• If water gets into the control panel or sunlight sensor, it may lead to unexpected failure, be
careful not to let water get on these parts. In addition, never bring any flame near these parts.
• For the auto function of the air conditioner to work properly, always keep the sunlight sensor
clean and do not leave anything around the sunlight sensor that may interfere with it’s sensor
function.
[Ventilation]
• When running the air conditioner for a long time, turn the level to the FRESH position once an hour to
carry out ventilation and cooling.
• If you smoke when the air conditioner is ON, the smoke may start to hurt your eyes, so open the window
and turn the lever to FRESH for a while to remove the smoke while continuing the cooling.
[Temperature Control]
When the cooler is ON, set the temperature so that it feels slightly cooling with entering the cab (5 or 6
degrees C) lower than the outside temperature. This temperature difference is considered to be the most
suitable for your health, so always be careful to set the temperature properly.
2.6.4 INSPECTION AND MAINTENANCE OF AIR CONDITIONER
• When carry out inspection and maintenance on machine equipped with an air conditioner, carry out the
inspection and maintenance according to the chart.
• For details, see “Inspection and Maintenance 9.2 [8] Check and Maintenance Air Conditioner”.
• For details, see “Inspection and Maintenance 9.5 [5] Check and Adjust Air Conditioner Compressor Belt
Tension”.
• For details, see “Inspection and Maintenance 9.5 [7] Clean Air Conditioner FRESH/RECIRC Filters”.
• When the air conditioner is not being used every day, to prevent loss of the film of oil at various parts, run
the engine at low speed from time and carry out cooling or dehumidifying heating for several minutes.
• If the temperature inside the cab is low, the air conditioner may not work. In this case, circulate fresh air
to warm the inside of the cab. When the air conditioner switch is turned ON, the air conditioner will work.
• If any abnormality is detected in any equipment or sensor used
on the air condition, “A/C Controller Error” is displayed on the air
conditioner monitor screen. If “A/C Controller Error” is displayed,
please ask us or our sales service agency to carry out inspection
and repair.
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