Basics For Working On Refrigerant Circuit - Volkswagen Amarok 2011 Workshop Manual

Amarok 2011 ➤ , Beetle 2012 ➤ , Bora 1999 ➤ , CC 2010 ➤ , CC 2012 ➤ , ...
Air conditioning system with refrigerant R134a - Edition 10.2014
Under no circumstances may refrigerant be charged into systems
or vessels containing air.
Precautions:
– Evacuate systems and containers before charging with refrig‐
erant.
1.12

Basics for working on refrigerant circuit

• Observe instructions specific to the workplace; ⇒ Volkswagen
ServiceNet; Handbooks; Service handbook; Environmental
protection . Refrigerant from air conditioning systems / refrig‐
erant oils - to be displayed at refrigerant designated working
area.
• Observe the utmost cleanliness when working.
• When handling refrigerants and nitrogen, wear protective
clothing, protective glasses and protective gloves.
• Switch on exhaust gas fume extractor (if there is one).
• Extract the refrigerant circuit using only the air conditioner
service station, and only then loosen the threaded joints and
renew the defective components.
• Protect units and hoses against moisture and dirt using sealing
caps.
• Use only tools and materials that are intended for use with
refrigerant R134a.
• Protect refrigerant oil by sealing container to prevent ingress
of moisture.
– Blow through refrigerant circuit with compressed air and nitro‐
gen ⇒ page 65 :
– Purge refrigerant circuit with refrigerant R134a.
In vehicles that have an air conditioner compressor without a
magnetic clutch:
14
Rep. gr.00 - Technical data
⇒ page 67