Daewoo Nexia

since 1994 of release

Repair and car operation



Deu Neksiya
+ Maintenance instruction
+ Maintenance
+ Engine
+ 3. Engine (two top camshafts)
+ cooling System
+ Toplevnaya and exhaust systems
+ Electric chain
+ 7. Ignition system
+ 8. Electronic control unit and sensors
+ Transmission
+ 10. Five-speed transmission and main RPO MM5 broadcast
+ 11. Automatic Transmission
+ Steering
+ Running gear
+ 14. Forward suspension bracket
+ 15. Drive of forward wheels
+ 16. Back suspension bracket
+ Brake system
+ Body
- Heating, ventilation
   19.2. Air central air
   19.3. Diagnostics of malfunctions
   19.4. Features of the conditioner
   19.5. Work of central air of air
   + 19.6. Management of air central air
   19.7. Relay and switches
   + 19.8. Diagnostics of malfunctions
   - 19.9. Maintenance
      19.9.1. Replacement of sealing rings
      19.9.2. Corrected addresses with a coolant
      19.9.3. Rules of installation of connections of pipelines
      19.9.4. Ensuring chemical purity of a coolant and refrigerating oil
      19.9.5. A discharge, having added oils, air pumping, the KV system charging a coolant
      19.9.6. Filter-vlagopoglotitelya installation
      19.9.7. Receiver maintenance
   + 19.10. Removal and installation of knots of central air of air
   19.11. The V-5 compressor – the work description
+ Electric equipment


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19.9. Maintenance

GENERAL INFORMATION

Elements of KB system and scheme of a stream of a coolant

AND. THE PRESSURE HEAD PIPELINE – THE STREAM COMPRESSED HOT PAROV OF THE COOLANT
CENTURY. STREAM OF COOLANT R-12
PAGE. THE SOAKING-UP PIPELINE – THE STREAM OF COLD STEAM
COOLANT UNDER LOW PRESSURE
D. THE LIQUID PIPELINE - THE STREAM LIQUID HOT
COOLANT UNDER THE HIGH PRESSURE
Е. THE TECHNOLOGICAL UNION IN THE CONTOUR OF THE HIGH PRESSURE
F. THE TECHNOLOGICAL UNION IN THE CONTOUR OF LOW PRESSURE

1. COMPRESSOR
2. CONDENSER
3. EVAPORATOR
4. RECEIVER
5. THROTTLE BRANCH PIPE
6. REDUKTSIONNY VALVE
7. SWITCH OF LOW PRESSURE

Before starting carrying out servicing of the KB system connected with demontazhy of pipelines or knots of system, it is necessary to familiarize with the corresponding paragraphs of the present section in detail. When servicing system of CB and its knots it is necessary to be guided strictly by the instructions provided below on a discharge and a system charging a coolant, доливу oils etc. Safety covers should be removed from unions of units of KB system only directly ahead of installation. At installation connected details grease with pure refrigerating oil of brand 525 if the system is filled хладаген volume R-12, or PAG oil in case of use of coolant R-134a. At assembly it is authorized to use only new sealing rings of round section which dip previously into capacity with pure refrigerating oil: respectively brands 525 or PAG depending on used brand of a coolant. Greasing facilitates assembly and helps to provide tightness of connection. At an inhaling of carving connections it is necessary to use the second wrench for deduction of a motionless detail. Only this way it is possible to provide density of a joint and the correct assembly.

The final tightening of shtutserny connections of pipelines should be made according to the inhaling moments. Insufficient or too strong inhaling of connections can lead respectively to leaky connection or deformation of details. In both cases leakages of a coolant are possible.