VW Golf manuals

Volkswagen Golf Service & Repair Manual: Welding and soldering on refrigeration systems

Before welding and brazing on vehicles (in the vicinity of the air conditioning system components), extract the refrigerant and then purge the system by blowing through with compressed air and using nitrogen.
The products of decomposition of refrigerants under heat are not only poisonous but are strongly corrosive, so that pipework and system parts could be attacked. This refers primarily to hydrogen fluoride.
   
Pungent smell
A pungent odour indicates that the products of decomposition mentioned above are already present. Breathing in these substances must be avoided under all circumstances, or the bronchial tubes, lungs and other organs could be injured.
   
Handling refrigerants
  WARNING Danger of freezing injuries. The refrigerant can emerge as liquid or as vapour. ...

First aid
In the event of contact with the eyes or mucous membranes, wash immediately with copious running water and summon an eye specialist. In t ...

Other materials:

Attaching the mounts and roof carrier
Fig. 105 Attachment points for the mounts and roof carrier on 2-door vehicles Fig. 106 Attachment points for the mounts and roof carrier on 4-door vehicles First read and observe the introductory information and safety warnings The mounts are the basis of a complete roof carrier system. ...

2-pack HS Optimum clear coat
Designation: 2-pack HS Optimum clear coat -LZK 769 K02 A5- Issued 10.2012 Product description 2-pack HS Optimum clear coat is a VOC compliant (VOC content < 420 g/l), high ...

Sanding
Avoid sanding through to substrate –  It is recommended to carefully sand the marked area by hand to avoid “sanding through” the cathodic dip primer.   Seam seals S ...

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