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Page 1: ...lve is similar in operation to a standard single circuit air brake valve and under nor mal operating conditions the secondary circuit portion is similar in operation to a relay valve The primary circu...
Page 2: ...primary side of the relay piston Air pressure and spring load move the relay piston opening the secondary exhaust valve allowing air pressure in the secondary delivery line to exhaust out the exhaust...
Page 3: ...PIN STOP BUTTON PEDAL OPTIONAL MANIFOLD FOR INSTALLATIONS REQUIRING SUPPLY DELIVERY LINE CONNECTIONS ON ENGINE SIDE OF ENGINE COMPARTMENT BULKHEAD MANIFOLD SPRING SEAT 15 STEM SPRING 23 SPRING SEAT N...
Page 4: ...ring in compressed position 2 Insert blade of screwdriver through relay piston exhaust passage into slot of stem and remove lock nut 14 being careful not to nick the exhaust seat of the relay piston 3...
Page 5: ...using accurate test gauges Depress the pedal to several positions between the fully released and fully ap plied positions and check the delivered pressure on the test gauges to see that it varies prop...
Page 6: ...he vehicle If the vehicle is equipped with an AD IS air dryer system or a dryer reservoir module be sure to drain the purge reservoir 5 Following the vehicle manufacturer s recommended procedures deac...
Page 7: ...7...
Page 8: ...8 BW1428 2006 Bendix Commercial Vehicle Systems LLC All rights reserved 7 2006 Printed in U S A...
