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Connecting air conditioner service station for measuring and testing > < Connecting air conditioner service station to refrigerant circuit with adapter set for refrigerant circuitV.A.G 1786

A4 Mk3

Connecting air conditioner service station to refrigerant circuit with adapter V.A.G 1785/10
   
Connecting air conditioner service station to refrigerant circuit with adapter V.A.G 1785/10
–  Unscrew the sealing cap from the connection with valve -A- (at the air conditioner compressor).
–  Attach O-ring -B- to connection (8.9 mm; 1.8 mm).
–  Screw adapter V.A.G 1785/10 -C- onto connection -B-.
–  Install valve opener -D- with appropriate seal in filler hose connection.
  Note
t  The type of valve opener -D- and seals required depends on the filler hose used (specific to manufacturer).
t  The quick-release coupling adapter is not required for connection on the low-pressure end of Audi vehicles.
t  Screw filler hose -E- (to air conditioner service station) onto adapter - V.A.G 1785/10-.
  Note
  A87-0004
To minimise the amount of air and moisture ingressing into the charging hoses and thus into the refrigerant circuit, the charging hoses should be connected together as illustrated.
A - Filler hose to air conditioner service station
B - Hand shut-off valve
C - Filler hose (short version) with valve opener for connection to adapter -D-
D - Adapter - V.A.G 1785/10-
E - Filler hose (short version) with quick-release coupling adapter (for vehicles with quick-release coupling adapter on low-pressure side)
–  Perform planned tests and measurements.
  A87-0005

Connecting air conditioner service station for measuring and testing > < Connecting air conditioner service station to refrigerant circuit with adapter set for refrigerant circuitV.A.G 1786