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Bentley Volkswagen.Golf.Jetta.R32.Official.Factory.Repair.Manual.1999-2005

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Refrigerant circuit<br />

Página 8 de 11<br />

- Refrigerant containers filled with contaminated used<br />

refrigerant are referred to as "Recycling containers" .<br />

- Always evacuate recycling containers prior to initial filling<br />

with refrigerant (if there is air in a refrigerant container it is<br />

not to be filled with refrigerant).<br />

- Different types of refrigerant are not to be mixed<br />

(refrigerant mixtures cannot be recycled and are to be<br />

disposed of). If there is any doubt about the composition of<br />

the contents of the container, the refrigerant recycling<br />

company is to be informed accordingly.<br />

Warning!<br />

- When filling recycling containers (compressed-gas<br />

vessels), observe applicable regulations, technical<br />

rules and laws.<br />

- Recycling containers are never to be overfilled<br />

(overfilled containers do not have a sufficient gas<br />

cushion to accommodate the liquid expansion caused<br />

by the effects of heat. There is a danger of rupture).<br />

- To ensure safety, make exclusive use of recycling<br />

containers equipped with a safety valve.<br />

- Recycling containers must be weighed on calibrated<br />

scales during the filling process. The maximum<br />

permissible capacity is 75% (charge factor 0.75) of the<br />

charge weight indicated on the recycling container (the<br />

possibility of refrigerant oil entering the recycling<br />

container along with the refrigerant cannot be ruled<br />

out).<br />

Refrigerant circuit, cleaning (flushing) with<br />

compressed air and nitrogen.<br />

- Compressed air and nitrogen are to be used in order to<br />

force out moisture and other contaminants as well as old<br />

refrigerant oil as efficiently as possible, without wasting<br />

refrigerant, without the need for extensive assembly work<br />

and without endangering the environment.<br />

Warning!<br />

- Nitrogen can flow uncontrolled out of the cylinder.<br />

- Make exclusive use of pressure reducers for nitrogen<br />

cylinders.<br />

- Use appropriate extraction units to draw off gas<br />

mixture escaping from components.<br />

http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Next&type=repair&id=...<br />

13/2/<strong>2005</strong>

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