Volkswagen Golf Service & Repair Manual: Connecting air conditioner service station
| For vehicles that have connections on both
low-pressure and high-pressure sides of refrigerant circuit |
|
| Connecting air conditioner service
station for measuring and checking |
| – |
Connect air conditioner service station to power supply. |
| – |
Connect quick-release coupling adapters to charging hoses
for air conditioner service station (handwheels not turned
inwards, i.e. hand shut-off valves not open). |
| – |
Switch on air conditioner service station and evacuate
charging hoses (necessary only if there is air in the charging
hoses). |
| – |
Switch off air conditioner service station. |
| – |
Unscrew sealing caps from service connections (with valve). |
| – |
Connect air conditioner service station via service
connections to the vehicle refrigerant circuit using
quick-release coupling adapter. |
| – |
Turn handwheel of quick-release coupling adapter inwards
only far enough to ensure that valves on service connections are
open (check using a pressure gauge; do not overstress valves). |
| – |
Perform the intended measuring and checking work. |
|
Spray the evaporator with Contra Sept directly using a spray
lance (approx. 10 bar). Contra Sept neutralises microbes and
bacteria directly at the evaporator.
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Spraying the evaporator with the suction feed spray-gun -V.A.G 1538- and
spray lance