BENDIX AR-2 ANTILOCK RELAY VALVE Manual - Página 8

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DASH CONTROL VALVES

BRAKE VALVE

FIGURE 9 - TYPICAL CR-16

condition is normal while the AR-2

from the proportioning mode to the full delivery mode

and will only occur if the service application is SLOWLY

increased as described. Cycling will not occur or can be

stopped by increasing or decreasing service port

pressure.

9. Remove the test gauges from the AR-2

™

10. If the AR-2

valve fails to perform as described it should

be replaced or repaired using genuine Bendix

replacement parts or kits.

LEAKAGE TESTS

1. Build the air system pressure to governor cut-out. With

the dash mounted trailer supply valve activated for

tractor/trailer operation, apply a soap solution to both

exhaust ports (one in cover and one in body). The

leakage noted should not exceed a 1" bubble in less

than 3 seconds at either exhaust port.

2. Make and hold a full brake application and apply a soap

solution to both exhaust ports and around the cover

where it joins the body. The leakage noted should not

exceed a 1" bubble in less than 3 seconds at any exhaust

port with no leakage detected between the cover and

body.

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AIR BRAKE SYSTEM

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valve is transitioning

™

valve.

VALVE REMOVAL

1. Park the vehicle 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 wiring cables and

their respective connections on the valve or antilock

controller to facilitate ease of installation.

4. Disconnect all air lines and wiring.

5. Remove the AR-2

™

valve and controller assembly from

the vehicle.

VALVE INSTALLATION

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

sealing material does not enter the valve.

2. Install the assembled valve on the vehicle.

3. Reconnect all air lines and wiring cables to the valve

and controller assembly using the identification made

during VALVE REMOVAL step 3.

4. After installing the valve and controller assembly, test all

air fittings for excessive leakage and tighten as needed.

TRACTOR

PROTECTION

™

M-21

MODULATORS

AR-2

™

WITH

CONTROLLER