87 Nominal values for pressures and temperatures · The temperature of the air from the "centre"dashboardvents must lie wi

87 Nominal values for pressures and temperatures Note The temperature of the air from the "centre"dashboardvents must lie within the prescribed tolerance range within 5 minutes, dependingon the ambienttemperature (see diagram), General test prerequisites Close doors, windows and sliding roof Insert temperature probe into centre vent Measure ambienttemprature Open all dashboardvents Switch ignition on Press recirculating-airbutton Set temperature control to maximum cooling Switch fresh-air blower to stage 4 Start engine Operate air condition while idling Set engine speed to 2000 rpm (start of time measurement) If the prescribed nominal values are not reached,the cooling system must be checked for leaks and repaired. 10 u0 .5 8 aJ'-~+-' ro'- a.aJ E 6 .$ aJ N N 0 4 C +-'aJ'- C aJ U 2 15 20 25 30 35 40 Outside temperature in °C 569/1 .96 Centre vent temperature as a function of ambienttemperature 87 Nominal values for pressures and temperatures 87 -13 Printed in Germany, 1997 9968713