Volkswagen Polo Service & Repair Manual: Connecting Service Station
| – |
Connect the A/C service station to the power supply. |
| – |
Connect quick-release coupling adapter to charging hoses of
service station (handwheels not screwed in/hand shut-off valve
not open).
|
| – |
Switch on service station and evacuate charging hoses (only
necessary if there is air in charging hoses). |
| – |
Switch off A/C service station. |
| – |
Remove caps from service connections (with valve). |
| – |
Connect the A/C service station to the refrigerant circuit
using service connections with quick-release coupling adapters. |
| – |
Screw in handwheel of quick-release coupling adapters only
until valves are definitely open at refrigerant circuit
connection (observe pressure gauge, do not strain valves). |
| – |
Perform planned tests and measurements. |
|
The Ultrasonic HVAC Cleaning System -VAS6189A- is placed in
the front passenger footwell and sprays Aero-Clean. Aero-Clean
neutralizes microbes and bacteria inside th ...
Other materials:
Welding and Soldering on Refrigeration Systems
Before performing welding or soldering work on vehicles near
the air conditioning system components, extract the refrigerant
and remove the residue by flushing with compressed air and
nitrogen.
The products of refrigerant decomposition d ...
Checklist
The following steps should always be carried out in the specified
order before working in the engine compartment :
Park the vehicle on a level and stable surface.
Depress and hold the brake pedal until the
engine has stopped.
Apply the handbrake firmly Braking, stopping
and p ...
Round Connector Systems
Note
If necessary, housing securing mechanisms (secondary locks)
must be released or removed using specified tool before
releasing the contacts. Refer to
→ Chapter „Secondary Lock“.
...
© 2016-2025 Copyright www.vwpolo.net
Ultrasound A/C Cleaner -VAS6189B