Assembly work on the air-conditioning system: Notes

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Service unit SECU 134

Fig 1: Identifying Air-Conditioning Service Unit SECU 134

Courtesy of PORSCHE OF NORTH AMERICA, INC.

Low-pressure pressure gauge
High-pressure pressure gauge
Torr meter)
Low-pressure shut-off valve (blue)
High-pressure shut-off valve (red)
Torr meter shut-off valve (black)
Vacuum pump shut-off valve (yellow)
Low-pressure flange
High-pressure flange
Refrigerant inlet shut-off valve
Refrigerant outlet shut-off valve
Refrigerant oil inlet shut-off valve
Refrigerant oil vent valve
Moisture indicator
Oil tank vacuum flange
Hourmeter
Pilot light SUCTION END
Pressure switch SUCTION/CLEANING
Main switch ON/OFF
Pressure switch HEATING
Pilot light FAULT
Pressure switch VACUUM PUMP
Filling cylinder with weight scale
Filling cylinder shut-off valve
Filling cylinder high-pressure gauge
Refrigerant oil suction nozzle
Refrigerant oil reservoir inspection glass

NOTE:

The manufacturer's operating and repair instructions must be observed when carrying out all work on the service unit.