FUNCTIONING
AIR CONDITIONER
3-87
AIR CONDITIONER
3
DANGER
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The coolant used in the air conditioning system is very dangerous. If it is sprayed into the eyes or in
case of contact with the skin, wash with plenty of water and consult a doctor without delay.
Furthermore, to avoid any explosion, do not generate sparks and do not use naked flames near the air
conditioner.
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The coolant contained in the air conditioning system is considered special waste and must be
collected and disposed of according to the antipollution regulations in force.
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For specific maintenance to carry out on the conditioning system, contact a Komatsu distributor. Non-
compliance with these instructions may cause serious damage and even death.
The cab ventilation and cooling functions have the specific purpose to reduce the operator’s stress when the
outside temperature is particularly high.
The internal air recirculation ensures quicker cooling and is very useful when working in areas where air pollution
is considerable (tunnels, dusty places, small or badly ventilated rooms, etc.).
Air distribution is obtained by means of a series of adjustable vents with variable flow rate, both for the air flow
inside the cab and for the air flow with defogging function.
NOTICE
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At the beginning of the summer and before using the air conditioner, clean the intake filters (see
"CLEANING THE AIR CONDITIONER FILTERS (4-65)").
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Do not use the air recirculation function for long periods in rainy or cold days, since this would
increase the fogging of the inside of the windows.
The air conditioner is turned on with the switch (A/C) located under the machine monitor.
After turning on the air conditioner, adjust the temperature and ventilation settings. The ideal temperature must be
5 or 6°C below the outside temperature.
CAUTION
Even in the periods in which the air conditioner is not used, operate the compressor at low speed for
approximately 3-5 minutes at least once a month. This operation ensures the constant lubrication of all
the moving parts of the compressor.
WEAM014802
Содержание PC118MR-8
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Страница 5: ...FOREWORD FOREWORD 1 3 Storage location for the Operation and Maintenance Manual WEAM014802...
Страница 27: ...SAFETY SAFETY LABELS 2 3 LOCATION OF SAFETY LABELS 2 WEAM014802...
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Страница 304: ...LUBRICATION MAINTENANCE 4 18 2 PIECE BOOM 4 Grease Filter Oil WEAM014802...
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