Mitsubishi Montero 1987 Manuel de service télécharger pdf (Page 256)

24-20

AIR-CONDITION!NG-General Information

AIR-CONDITIONING SYSTEM COMPO

N24BBBB

Condenser

MDuct, joint (Blower side)

oint (Heater unit

Condenser

2OWB31

Suction Pipe Receiver bracket

side)

COMPRESSOR - The prime purpose of the compressor is to compress the low pressure refrigerant vapor

from the evaporator into a high pressure, high temperature vapor. The 6 cylinder 6P148 compressor is used.

MAGNETIC CLUTCH is mounted on the compressor providing a convenient way to drive and disengage

compressor in accordance to the cooling needs. CONDENSER is located in front of the radiator. Its function

is to cool the hot, high pressure refrigerant gas causing it to condense into high pressure liquid refrigerant.

RECEIVER DRIER is used to remove any traces of moisture from the refrigerant system. This component

incorporates the sight glass and fusible plug. SIGHT GLASS at the top of the receiver drier is provided as a

diagnostic tool to observe refrigerant flow and observe refrigerant level. THE FUSIBLE PLUG is located on

the receiver drier. Its function is to prevent damage to the air conditioning system in the event that

excessive pressure develops due to condenser air flow being restricted by, for example, leaves, newspaper,

an overcharge of refrigerant, or air in the system. LOW PRESSURE SWITCH prevents damage to the

compressor in case of system loss of refrigerant charge. EXPANSION VALVE - The expansion valve is used

for all applications. Its function is to meter refrigerant into the evaporator in accordance with cooling

requirements. EVAPORATOR COIL is located in the unit and its function is to cool and dehumidify the air

before it enters the vehicle. FREEZE UP CONTROL FIN THERMOSTAT SENSOR is installed at the heater

side of evaporator. The main function of a freeze control is to keep condensate water on the face of the

evaporator coil from freezing and restricting air flow. WATER TEMPERATURE SWITCH - When the

temperature of the radiator coolant became high, this switch functions to stop the compressor and prevent

engine overheating. SERVICE VALVE at the compressor and the discharge line. The valves are used to test

and service the refrigerant system. REFRIGERANT R-12 is used maximum amount 907 g (32 oz.) R-12.

COMPRESSOR OIL is used DENS0 oil 6 maximum amount 110 cc (3.7 U.S.fl.oz., 3.9 Imp.fl.oz.).

/ STB Revision

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Mitsubishi Montero 1987 Manuel de service Page 256