Volkswagen Polo Service & Repair Manual: A/C Service and Recycling Units

Pressure Gauge, Tests and Measurements

Indicators on pressure gauge 1 -  Temperature scale for refrigerant R134a CF3–CH2F or CH2F–CF3. 2 -&nb ...

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. ...

Other materials:

Introduction
This chapter contains information on the following subjects:  → Technical requirements  → Fitting the removable ball coupling  → Removing the ball coupling  → Hitching and connecting the trailer  → Loading the trailer  → Towing a trailer   ...

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. Charging systems not requiring a permit are ones used for transferring compressed ga ...

Current Draw Test
  WARNING Batteries that have a light yellow visual indicator do not have to be tested or charged. Jump starting must not be used! There is a risk of explosion during testing, ...