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BW1794 © 2004 Bendix Commercial Vehicle Systems LLC 10/2004   Printed in U.S.A.   All rights reserved.

Summary of Contents for ATR-1 ANTILOCK TRACTION RELAY

Page 1: ...h attached antilock controller is normally mounted near the service brakes it serves A mounting bracket furnished with the valve permits either frame or cross member mounting All air connections on th...

Page 2: ...valve s service port and is conducted to the single check valve The check valve diaphragm flexes in response to application pressure and seals the passage to the open exhaust of the traction solenoid...

Page 3: ...ves slightly allowing the inlet valve to return to its seat The exhaust valve remains closed With both the inlet and exhaust valves closed air pressure in the brake chambers is held stable and neither...

Page 4: ...m the service brake chambers returns to theATR 1 valve and flows out the open exhaust TRACTION CONTROL SERVICE APPLICATION FIGURE 7 GENERAL While under the control of an antilock traction controller t...

Page 5: ...CK TRACTION ASSY MODULATOR MODULATOR MODULATOR REAR AXLE BRAKE REAR AXLE BRAKE EXCITER SPEED SENSOR EXCITER SPEED SENSOR MODULATOR BRAKE CHAMBER ENGINE CONTROL MODULE ECM TRACTION SWITCH ANTILOCK DASH...

Page 6: ...00 OPERATING HOURS 1 Remove any accumulated contaminates and visually inspect the exterior for excessive corrosion and physical damage 2 Inspect all air lines connected to the ATR 1 valve for signs of...

Page 7: ...fferential with the pressure specified for the ATR 1 valve s part number see the l D washer also for the differential NOTE ForATR 1 valves not incorporating a relay piston return spring 14 the measure...

Page 8: ...and Washers 2 14 Lock Washers 2 15 Bracket 16 Cap Screws 2 17 O Ring 18 O Ring Key Description 19 Relay Piston 20 Piston Spring if used 21 O Ring 22 RetainingRing 23 Check Valve 24 O Ring 25 InletSea...

Page 9: ...spring item 14 is not used in all valves 10 Remove the o ring 21 from the relay piston 19 11 Remove the retaining ring 22 Then depending on the internal configuration 12a Remove check valve seat 23 wi...

Page 10: ...6 Install the inlet and exhaust valve return spring 9 in the body 4 7 Install the large and small diameter o rings 7 8 in the exhaust cover 6 then install the exhaust cover in the body 4 taking care n...

Page 11: ...11 NOTES...

Page 12: ...12 BW1794 2004 Bendix Commercial Vehicle Systems LLC 10 2004 Printed in U S A All rights reserved...

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