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:  → Making you and your vehicle safe  → First aid kit and warning triangle Additional information and warnings: Braking, stopping and parking Manual opening and closing Vehicle toolkit Changing a ...

Vehicle Electrical System, General Repair Information
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Frequently asked questions
If you suspect that there is a fault in the vehicle or if your vehicle has been damaged, read and observe the following information before contacting a Volkswagen dealership or qualified workshop. You may also find useful information in the index under the headings Things to note or Checklist. ...

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