VW Polo manuals

Volkswagen Polo Service & Repair Manual: Welding and Soldering on Refrigeration Systems

Before performing welding or soldering work on vehicles near the air conditioning system components, extract the refrigerant and remove the residue by flushing with compressed air and nitrogen.
The products of refrigerant decomposition due to the effect of heat are not only toxic, but may also have a highly corrosive effect on pipes and system components. They mainly take the form of hydrogen fluoride.
   

Pungent Odor

A pungent odor indicates that the products of decomposition mentioned above have already formed. Avoid inhaling these substances under all circumstances, as otherwise the respiratory system, lungs and other organs could be damaged.

First Aid

Following contact with eyes or mucous membranes, immediately rinse with copious amounts of running water and consult an eye specialist.
Following contact with the skin, immediately remove affected clothing and rinse skin with copious amounts of water.
Following inhalation of highly concentrated refrigerant vapors, immediately take the affected person into the open air. Call a doctor. Administer oxygen in the event of breathing difficulties. If the affected person has difficulty breathing or cannot breathe, tip head back and perform mouth to mouth respiration.
   
Product Characteristics
Refrigerants used in motor vehicle air conditioning systems belong to the new generation of refrigerants based on chlorine-free, partially fluorinated hydrocarbons (H ...

Handling Pressure Vessels
Secure vessels to prevent them falling over! Secure upright cylinders to stop them falling over and cylinders lying flat to stop them rolling away. ...

Other materials:

Introduction
This chapter contains information on the following subjects:  → Indicator lamp  → Description of the central locking system  → Locking and unlocking the vehicle from the outside  → Locking and unlocking the vehicle from the inside  → SAFELOCK mechanism &nb ...

Seat belt routing
Fig. 52 Correct seat belt routing and head restraint adjustment Fig. 53 Correct seat belt routing during pregnancy First read and observe the introductory information and safety warnings Seat belts only provide an optimum level of protection during an accident when they are routed corre ...

Flushing Not Necessary
  Note For vehicles with an electrically-driven A/C compressor, de-energize the high voltage system before removing the A/C compressor. Refer to → Electrical System Hybrid; Rep. Gr.93. –  Dischar ...

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