Precautions When Using Air Conditioner - Komatsu PW180-7E0 Operation & Maintenance Manual

Wheeled excavator
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Operation
3.16.3

Precautions when using air conditioner

NOTE
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, so be careful not to let water get
on these parts. In addition, never bring any flame near these
parts. The sunlight sensor is on the front of the steering col-
umn.
For the auto function of the air conditioner to work properly,
always keep the sunlight sensor clean and do not leave any-
thing around the sunlight sensor that may interfere with its
sensor function.
Ventilate the cab from time to time when using the cooler.
If you smoke when the cooler is on, the smoke may start to hurt
your eyes, so open the window and carry out ventilation and
cooling for a short time to remove the smoke.
When running the air conditioner for a long time, carry out venti-
lation and cooling together once each hour.
Be careful not to make the temperature in the cab too low.
When the cooler is on, set the temperature so that it feels slightly
cool when entering the cab (5 - 6°C) lower than the outside tem-
perature). This temperature difference is considered to be the
most suitable for your health. Adjust the temperature properly.
PW180-7E0 – VEAM400102
3.16 Handling air conditioner
3-87

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