BENDIX SD-03-4516 User Manual download pdf (Page 7)

3. Place the trailer air supply valve in the exhaust position.

The spring brakes should apply. Disconnect the trailer

supply line and apply a soap solution to check for leaks.

A 1" bubble in 5 seconds is permissible.

4. Reconnect the trailer supply hose coupling and

recharge the trailer system. The spring brakes should

release. Shut off the engine. Open the trailer reservoir

drain cock. The tractor air system should bleed down to

approximately 70 psi. The trailer spring brakes should

remain released. After the system is stabilized, leakage

at the open drain cock should not exceed a 1" bubble

in 5 seconds.

5. If the Bendix

SR-5

™

valve does not function as

described; or if leakage is excessive, repair the valve,

or replace with a genuine Bendix service replacement

valve.

REMOVAL

1. Identify and mark or label all air lines and their

connections on the SR-5

™

valve. Then disconnect the

air lines.

2. Remove the SR-5

™

valve from the reservoir.

INSTALLATION

1. Install the SR-5

™

valve on the reservoir.

2. Reconnect all air lines to the valve using the

identiﬁ cation made in REMOVAL step 1.

3. Perform OPERATIONAL AND LEAKAGE TESTS before

placing the vehicle back in service.

DISASSEMBLY

The following procedure is for reference only. Always

have the appropriate maintenance kit on hand, and use its

instructions in lieu of those presented here. Refer to Figure

9 throughout the procedure.

1 2 3 4 5 6 7 8 9

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BENDIX SD-03-4516 User Manual Page 7