Volkswagen Polo Service & Repair Manual: A/C Service and Recycling Units

Pressure Gauge, Tests and Measurements

Indicators on pressure gauge 1 -  Temperature scale for refrigerant R134a CF3–CH2F or CH2F–CF3. 2 -&nb ...

Extraction System Group Classifications

At this time, A/C service units for extracting, cleaning and filling refrigerant for motor vehicle A/C systems are available from various manufacturers. ...

Other materials:

Removing the ball coupling
First read and observe the introductory information and safety warnings Unhitch the trailer . Remove the cover from the lock on the handwheel. Insert the key ⑧ into the lock and turn it clockwise. Hold the ball coupling tightly in your left hand . Use your right ha ...

Refrigerant, Keeping Records
  Note The laws and regulations listed below are applicable in Germany. Different or additional laws and regulations may apply in other countries. Addresses in other countries can be obtained from the relevant au ...

Legal Requirements
The manufacturer is granted general type approval for the whole vehicle including all parts and for specific retrofitting (general type approval according to § 20 StVZO (Motor Vehicle Construction and Use Regulations or EU type approval). ...