Volkswagen Amarok 2011 Workshop Manual page 90

Amarok 2011 ➤ , Beetle 2012 ➤ , Bora 1999 ➤ , CC 2010 ➤ , CC 2012 ➤ , ...
Air conditioning system with refrigerant R134a - Edition 10.2014
amount of refrigerant oil from this electrical air conditioner com‐
pressor must be determined.
Note
The air conditioner compressor must be purged in order to
♦
extract the refrigerant oil which needs to be determined.
Purge the air conditioner compressor in normal direction of
♦
flow (from low-pressure inlet to high-pressure outlet).
In order to purge as much refrigerant oil from the air condi‐
♦
tioner compressor as possible make sure that the high-pres‐
sure outlet of the air conditioner compressor is in the lowest
position possible.
If an air conditioner service station without purging programme
♦
is used, the sequence has to be carried out manually (evacu‐
ate, purge 3 times with at least 2 kg of refrigerant each time
and extract refrigerant again, evacuate).
Determined amount e.g. 50 cm³
Then, remove as much refrigerant oil from the new air conditioner
compressor as is necessary to ensure that only the same amount
of refrigerant oil which has been purged from the old air condi‐
tioner compressor remains in the new one (plus 10 cm
example, the new original air conditioner compressor is filled with
3
e.g. 200 cm of refrigerant oil, then remove only 140 cm
– Pour old refrigerant oil out of air conditioner compressor. Han‐
dling refrigerant ⇒ Volkswagen ServiceNet; Service hand‐
book; Environmental protection; Waste disposal; Current
situation; Disposal channels; Disposal of used oils; Refrigerant
oils .
Note
If the amount of refrigerant oil which can be removed from the
new air conditioner compressor is not sufficient, the new air con‐
ditioner compressor must be purged. After the new air conditioner
compressor has been purged, fill the amount of refrigerant oil
which has been determined when purging the old air conditioner
compressor.
84
Rep. gr.00 - Technical data
3
). If, for
3
.