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S TRALIS AT/AD 78 AIR SYSTEM - BRAKES Base - January 2003 Combined brake cylinder (for rear disc brake) - Type 20/27 KNORR - BREMSE IC 68086 Maximum working pressure - fitting 11 - fitting 12 Minimum stroke 10.7 bar 8.5 bar 64 mm Combined brake cylinder (for rear drum brake) - Type 18/24 HF KNORR - BREMSE IC 559 76 Maximum working pressure Minimum stroke 8.5 bar 53 mm - Type 20/24 HF KNORR - BREMSE IC 559 78 Maximum working pressure Minimum stroke 8.5 bar 53 mm Pressure sensor - WABCO 441 040 015 Supply voltage Measurement range 8 - 32 Volt 0 - 10 bar Low-pressure switch - F 130 46 S - F 130 47 S Trip pressure 6.6 ± 0.2 bar On-off valve - WABCO 434 205 061 Working pressure 10 bar Controlled pressure valve - WABCO 434 100 199 - KNORR - ASR BREMSE 119 435 47 - BENDIX VPG 4M Opening pressure 7 + 0.1 bar - 0.3 One-way valve - PEL 50 473 - C Working pressure Backpressure 12 bar 0.2 bar Trailer automatic and handbrake engaging low-pressure switch - F 130 48 Trip pressure 5.5 ± 0.2 bar |