DongFeng DFA1101GZ5AD6J-907, Service Manual

Page: 147 / 175

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