Volkswagen Polo Service & Repair Manual: Connecting Service Station
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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).
|
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Switch on service station and evacuate charging hoses (only
necessary if there is air in charging hoses). |
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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. |
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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:
Light Alloy Wheels, Care and Maintenance
To maintain the decorative appearance of light alloy wheels
for a long time, regular care is necessary.
In particular, road salt and dust from brake abrasion must
be thoroughly washed off every two weeks. Otherwise, the paint
of the ligh ...
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 ...
Refrigerant R134a Physical Data
Vehicle air conditioning systems make use of the
vaporization and condensation process. In this case, one works
with a substance which boils easily, designated as refrigerant.
The refrigerant employed is tetrafluoroethane R134a, which
bo ...
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Ultrasound A/C Cleaner -VAS6189B