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Trailer Safety Instructions: Air System & Brakes Mobile App

Use Trailer Safety Instructions: Air System & Brakes mobile app to assess your air system and brakes. Ensuring equipment is operating correctly saves lives. The app covers: Care & Maintenance of Brakes, Recommended Periodic Service, Air System & Brake Operation, Brake Safety Check, Parking Brakes and Automatic Slack Adjuster. Now you can easily access these safety instructions as needed right from your smartphone or tablet.

  • Lendlease
  • The Cooperative
  • PG&E
  • oxy
  • Red Bull
  • Mirvac

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Take a peek inside the Trailer Safety Instructions: Air System & Brakes Mobile App

Included Features

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Included Fields

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    Do not abuse your brakes, maintain them.

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    Inspect and adjust frequently

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    Brakes that are out of adjustment can:

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    Increase stopping distance

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    Shorten brake component life.

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    Increase chance for trailer to jackknife.

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    Trailer Adjustment Inspection

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    Connect an auxiliary air system to the SUPPLY or EMERGENCY port of the trailer air system.

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    Increase the air pressure to 100 psi MINIMUM to release the spring chambers.

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    With the brakes NOT APPLIED, measure the distance from the bottom of the air chamber to the cent...

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    Connect a second auxiliary air system to the SERVICE port of the trailer air system.

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    5. Increase the air pressure of the second air system to 85 psi to apply the service brakes

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    Repeat step 3 and measure WITH THE SERVICE BRAKES APPLIED.

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    7. Calculate the adjusted chamber stroke of each brake:

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    A.

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    B.

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    C.

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    Brake adjustment (

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    Automatic Slack Adjustment5

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    Caution: Do not set the free stroke shorter than the minimum specified setting.

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    If it is necessary to adjust the stroke, disengage the pawl and turn the adjusting nut 1/8 turn i...

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    Note: It is not necessary to remove a “pull” pawl design assembly during installation, adjustment...

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    Use a screwdriver or equivalent tool to lift the button on the pawl assembly.

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    Lift the button at least 1/32-inch to disengage the “pull” pawl from the actuator.

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    Turn the adjusting nut on the slack adjuster in the required direction.

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    When finished, remove the screwdriver or tool.

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    Check the adjusted chamber stroke

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    Measure from the air chamber to the center of the large clevis pin while the brake is released.

  • ...and More!

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