814 Repair Manual — Volume I — Page 254

18. Build up the pressure to 100 bars (1420 psi) approximately, then slowly loosen the bleed screw in order to release the pressure progressively, The test lamp must illuminate when the pressure is between (pressure gauge M1) : - 85 and 55 bars (1230 and 800 psi) for vehicles —+A 3/ 1973 2386 - 95 and 75 bars (1351 and 1067 psi) for vehicles = 3/1973 If the measures obtained are beyond these limits, the pressure switch must be renewed,