Recovery Of The Refrigerant; Management Of Refrigerant - Chery QQ Service Manual

should be dropped on the seat surface of the connecting nut and the O-shape of seal
ring.
4 when the joint is screwed or unscrewed, two wrenches should be used, one is for
tightening, the other for supporting.
5 inlet connecting pipe of the stock solution drier should be connected with the
outlet connecting pipe of the condensator.
6 tighten the pipe socket nut according to the following required tightening torque.
Tigntening torque for connecting nut 8
1.2-1.5kg-m.8.6-11.01b-ft 1/2 inch pipe 20-25N·m
2.0-2.5kg-m.14.5-18.0Ib-ft 5/8 inch pipe 30-35N·m
3.0-3.5kg-m.22.0-25.3Ib-ft
7 water drain hoses should be arranged in the way that the drained water should
not drop on the parts of the car.

3. Recovery of the refrigerant

Refrigerant recovery and regenerative unit must be used when refrigerant is
discharged from air conditioning system. Directly discharging refrigerant HFC-134a
R-134a into atmosphere will bring serious effects on environment.
Note: when using recovery and regenerative unit, you must follow the operating
instruction of the device.

4. Management of refrigerant

1 when dealing with refrigerant, you must take the safety goggles to protect your
eyes.
2 avoid to touch liquid refrigerant directly.
3 the refrigerant tank should not be heated over to 40 .
4 it is not allowed to discharge the refrigerant to the atmosphere.
5 it is not allowed to splash the refrigerant to the polishing metal surface because
the corrosive combination of refrigerant and water can make the polishing metal
surface dislustered (including chromium-coated part).
6 after refrigerant of the system is recovered, lost oil in compressor must be
Chery QQ Service Manual
pipe 12-15N·m
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