Dongfeng DFA1101GZ5AD6J-907. Manual - part 60

 

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Dongfeng DFA1101GZ5AD6J-907. Manual - part 60

 

 

Air-conditioner and Heater

BF-23

Oil of the Compressor

Keep enough oil in the compressor.

The lubricating oil and the refriferant circulate in the inner system, when change the component or the oil

leaks a lot, please add the oil to the requirement capacity. If the oil capacity is not proper, the compressor will be
in abnormal condition.

Short of oil: the cylinder of the compressor may be nicked by the piston or the compressor may be locked-up

Excessive oil:the effect of the refrigeration may go down

Capacity of the adding oil

Check the operational function

Its purpose is to check if the system worked under the requirements. These parts need to check: blower(fan),

circulation of the operational-mode( outlet), inlet, temperature lower,and upper, and the A\C switch.

Checking condition:

The engine is running and the temperature is in normal condition.

Approach:

1.Check the blower(fan)

Move the fun switch to the "1" position, the fan

should be in the speed of "1";

Then move to the "2" position;

Check the other speed of the fan;

2.Chexk the ventilation

Move the switch to the

position,  check if the air

is blown to your face;

Move the switch to the

position, check if the air

is blown to your face and feet;

Move the switch to the

position, check if the air

is blown to your feet;

Move the switch to the

position, check if the air

is blown to your feet and defrost;

Move the switch to the

position, check if the air is vented from the defroster.

substitute part

capacity (mm)

ratio (%)

evaporator

45~75

30

condenser

30~50

20

oil storage container

15~25

10

compressor, no change

others

30~50

leak a great deal

leak a little bit

Air-conditioner and Heater

BF-24

3.Check the inlet

Move the switch to the

position, the inner air of

the cab will be used in the circulation.

Move the switch to the

position, the external

fresh air will be blown into the cab  by the blower.

4.Temperature lower checking

Move the switch to the lowest position;

Check the cold air from the vent.

5.Temperature upper checking

Move the switch to the highest position;

Check the warm air from the vent.

6.Check the A\C switch

Move the fan switch to the position of 1~4, and press

the air-conditioner switch, the indicator will goes on.

Air-conditioner and Heater

BF-25

Schematic Circuit of Air-condition System

Air-conditioner and Heater

BF-26

 

 

 

 

 

 

 

Content   ..  58  59  60  61   ..