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brake pedal. Do not release brake pedal prior to (6) After secondary sump bleed screw is closed, re- move bleed hose from bleed screw. (7) Torque secondary sump bleed screw to 9 N Im (80 in. lbs.). 6 MODULATOR ASSEMBLY SECONDARY ACCUMULATOR (8) Transfer bleed tube to secondary accumulator bleed screw (Fig. 6). Then install bleed tube into a (9) Apply constant, medium to heavy force on brake pedal. Then using the DRB, select the bleed ABS (10) Open the secondary accumulator circuit bleed screw (Fig. 6) at least one full turn. This will ensure an mary accumulator circuit, until an air-free flow of (11) After an air-free flow of brake fluid is main- tained from the bleed screw, close and lightly tighten Note: For the next modulator assembly bleed- ing procedure, use of the DRB is not required. (12) Pump brake pedal several times, then apply and hold constant medium to heavy force on brake (13) Again without firing modulator assembly sole- noids, open secondary accumulator circuit bleed screw (14) Bleed secondary accumulator circuit until a clear, air-free flow of brake fluid is maintained from the (15) After an air free flow of brake fluid is main- tained from secondary accumulator circuit bleed screw, (16) After secondary accumulator bleed screw is closed, remove bleed hose from bleed screw. (17) Torque secondary accumulator bleed screw to 9 N Im (80 in. lbs.). PUMP/MOTOR SERVICE On the Bendix Antilock 4 Brake System the Pump/Motor assembly can only be serviced as part of Fig. 6 Bleeding Modulator Assembly Secondary Ac- cumulator Circuit Ä ANTILOCK 4 BRAKE SYSTEM 5 - 29 |