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:
Introduction
This chapter contains information on the following subjects:
→ Interior mirror
→ Exterior mirrors
For safety reasons it is important that the driver positions the exterior and
interior mirrors correctly before starting a journey .
You can use the exterior mirrors and the int ...
Description of the central locking system
First read and observe the introductory information
and safety warnings
The central locking system enables you to lock and unlock all the doors, the
tailgate and tank flap from one central point:
From outside the vehicle with the vehicle key .
From inside the vehicle with the centra ...
Rims
First read and observe the introductory information
and safety warningsThe design of the wheel bolts is matched to the rims.
If different rims are fitted, the correct wheel bolts with the right length and
correctly shaped bolt heads must be used. This ensures that wheels are fitted securely
...
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Charging Systems not Requiring a Permit