Chery QQ Service Manual
Section 9 Maintenance On-board
Note: you should comply with the following rules when maintaining air conditioning
system.
1. Wiring
（1）remove the accumulator’s negative wire to avoid short circuit.
（2）the lead connector should be plugged fixedly.
（3） the gum cover should be fitted in panel holes before wiring arrangement to
protect the wiring bundle.
（4）connect the wiring bundle of air conditioner to main wiring bundle with
pdythene belt or original binding terminal block.
（5）if original wiring bundle is removed or stripped when maintaining, you should
put it back to the place where it was.
（6）original binding terminal block and wiring bundle of the air conditioner should
not be pressed during installation.
（7）when the leads are welded to the wiring bundle, the two leads should have the
same diameters and the connection should be wrapped with insulated belt.
（8）the wiring bundle should keep away from the moving elements or high
temperature places.
（9）it is not allowed that the connection parts is close to the fuel pipe.
（10）check the wiring bundle if it contacts with sharp edges and corners.
2. Refrigerating
return pipe
（1）heating
elbow bend pipe is absolutely impermissible。
The degree of bending should be as small as possible.
（2）parts in air conditioner should be kept dry and free of dirt.
When removing any pipe of the system, you should fit a cap on the joint of this pipe
as soon as possible.
（3）when the hose and the metal pipe are interconnected, drops of refrigerating oil
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