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BW1573 © 2004 Bendix Commercial Vehicle Systems LLC All rights reserved. 4/2004 Printed in U.S.A.
Page 1: ...to the service port of the front axle relay valve or the adaptive braking modulator The LQ 4 valve may be used to operate brake chambers up to Type 24 without relay or QRV Pressure delivered to the L...
Page 2: ...application of less than 40 psi is made application air enters the LQ valve supply port and exerts a force over the surfaces of the outer and inner pistons Because of the spring force beneath the oute...
Page 3: ...fts it which unseats the exhaust valve See Figure 5 The deliv ery volume air exhausts both through the brake valve and out the exhaust port OPERATION SERVICE BRAKE APPLICATION 40 PSI OR GREATER When a...
Page 4: ...ivery line pressure is approximately equal Note The pressures stated here are examples only Various piece numbers of the LQ valves may have different pressure settings For information on a specific in...
Page 5: ...afely removes all electrical power from the vehicle 6 Never exceed manufacturer s recommended pressures 7 Never connect or disconnect a hose or line containing pressure it may whip Never remove a comp...
Page 6: ...r than repaired Do not attempt repairs requiring machining or welding unless specifically stated and approved by the vehicle and component manufacturer 10 Prior to returning the vehicle to service mak...
Page 7: ...7...
Page 8: ...8 BW1573 2004 Bendix Commercial Vehicle Systems LLC All rights reserved 4 2004 Printed in U S A...
