Volkswagen Touran Service Manual: Extraction System Group Classifications

Volkswagen Touran Service Manual / Heating, Ventilation and Air Conditioning / Refrigerant Circuit General Information / A/C Service and Recycling Units / 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.

Group 3:

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 permit

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.

A/C Service and Recycling Units

...

Charging Systems not Requiring a Permit

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:

Volkswagen Touran Owners Manual. Changing bulbs in the front bumper
Fig. 218 In the front bumper, right-hand side: removing the headlight Fig. 219 Changing the bulbs in the headlights First read and observe the introductory information and safety warnings The jobs should be carried out in the given order only: ...

Volkswagen Touran Service Manual. Foreign Object Damage
Driving over hard, pointed objects like nails, screws and the like can pierce the tire. This always leads to tire damage. Damage from Imbedded Foreign Bodies Frequ ...