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8

7. Using lubricant to hold them in place, install sealing ring

(16) on the cover (15).

8. Install the o-ring (18) on the relay piston (17), then install

the piston in the body (5).

9. After noting the relationship marks made prior to

disassembly, assemble the cover (15) on the body (5)
and the mounting bracket on the body (5) and secure
the components together using the two cap screws (11)
and two bolts (13), lock washers (12), and nuts (14).
Torque the cover cap screws (11) and bolts (13) to
120-150 lb. in.

10. Install the two cap screws and lock washers (26) that

secure the bracket to the cover (15) and torque them to
180-220 lb. in.

11. After noting the relationship of marks made prior to

disassembly, attach the gasket (2) to the antilock
controller then secure the antilock controller on the cover
(15) using the four cap screws and lock washers (1).
Torque the cap screws to 50-80 lb. in.

12. Install all air line fittings and plugs making certain thread

sealing material does not enter the valve.

13. Install the CR-15 (AR-1

 valve with attached antilock

controller) on the vehicle and perform the Operation and
Leakage Tests before returning the vehicle to service.

BW1665  © 2004 Bendix Commercial Vehicle Systems LLC.  All rights reserved.  6/2004 Printed in U.S.A.

Summary of Contents for AR-1 ANTILOCK RELAY VALVE

Page 1: ...normally mounted in proximity to the service actuators it serves A mounting bracket furnished withthevalvepermitseitherframeorcrossmembermounting All air connections on the AR 1 valve are identified w...

Page 2: ...tors Figure 3 HOLDING BALANCED The air pressure being delivered to the antilock modulators and brake actuators is also present beneath the relay piston When the air pressure above and below relay pist...

Page 3: ...of wear or physical damage Replace as necessary 3 Test air line fittings for excessive leakage and tighten or replace as necessary 4 Perform the Leakage Test described in this manual EVERY YEAR 100 0...

Page 4: ...round the vehicle When working in the engine compartment the engine should be shut off and the ignition key should be removed Where circumstances require that the enginebeinoperation EXTREMECAUTIONsho...

Page 5: ...on a level surface and block the wheels and or hold the vehicle by means other than the air brakes 2 Drain the air pressure from all vehicle reservoirs 3 Identify mark or label all air lines and wiri...

Page 6: ...6 FIGURE 6 AR 1 ANTILOCK RELAY VALVE WITH CONTROLLER ANTILOCK CONTROLLER 1 MOUNTING BRACKET 2 13 12 11 13 11 15 23 24 25 16 18 17 19 5 26 14 20 21 22 10 9 7 4 8 6 3...

Page 7: ...o ring 21 from the cap nut 11 Remove and discard the quick exhaust diaphragm 22 from the cover 15 12 Remove the quick exhaust diaphragm retaining screw 23 the diaphragm washer 24 and the diaphragm 25...

Page 8: ...nd lock washers 26 that secure the bracket to the cover 15 and torque them to 180 220 lb in 11 After noting the relationship of marks made prior to disassembly attach the gasket 2 to the antilock cont...

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