Volkswagen Polo Service & Repair Manual: Extraction System Group Classifications
| At this time, A/C service units for extracting, cleaning and
filling refrigerant for motor vehicle A/C systems are available
from various manufacturers. |
| Mobile extraction and charging systems for filling
compressed-gas vessels permanently connected to the system. |
| The refrigerant or refrigerant/oil mixture is transferred to
compressed gas vessels which are permanently connected to the
mobile systems. In accordance with 3 Para. 5 No. 3 of pressure
vessel regulations, compressed-gas vessels are classified as
pressure vessels in this case. |
| The charging systems require: |
| no expert testing as the gas is transferred to
compressed-gas vessels which are classed as being pressure
vessels. (Systems used for transfer from these pressure vessels
to compressed-gas vessels for supplying to third parties do
require a permit and are subject to mandatory testing). |
 Note
| The A/C service and recycling units used in motor vehicle
workshops are extraction and charging systems not requiring a
permit (Group “3”) but which are only to be operated by
qualified personnel. Instructions for unit operation and
maintenance can be found in the relevant manufacturer's
documentation. |
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At this time, A/C service units for extracting, cleaning and
filling refrigerant for motor vehicle A/C systems are available
from various manufacturers.
...
Other materials:
Evacuating and Charging Valve, High Pressure Side
Special tools and workshop equipment
required
Torque Wrench 1783 - 2-10Nm -VAG1783- with Torque Wrench
1783 - 1/4" Drive Ratchet -VAS6234-
WARNING
There is a dan ...
Information on steering
First read and observe the introductory information
and safety warnings The steering should be locked every time
you leave the vehicle to make it more difficult for the vehicle to be stolen.
Mechanical steering column lock
Activating the steering lock
Deactiv ...
Wheel cover
Fig. 163 Removing press-on wheel
covers
Fig. 164 Removing bolted-on wheel
covers
First read and observe the introductory
information and safety warnings
Removing and fitting press-on wheel covers
Take the box spanner and wire hook from the toolkit .
Insert the wire hook into o ...
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Charging Systems not Requiring a Permit