Bendix® ADB 22X™ Air Disc Brakes “Service Series” Vehicle Pre-Trip Training & Inspection “Service Series”

ADB22X Inspection Process included in BW7356 & in the Service Data Sheet BW7308

Bendix® ADB22X™ Air Disc Brake Pre Trip Inspection Brake Check All CDL Requirements for Air Braked Vehicles Remain Consistent with the Introduction of Air Disc Brakes Parking Brake Check Test Air Leakage Rate (Static check) Test Air Brake System for Leaks Test Low Pressure Warning Alarm and/or Signal Check That the Spring Brakes Come on Automatically. Check Rate of Air Pressure Buildup Inspect Service Brakes

Bendix® ADB22X™ Air Disc Brake Basic Concepts & Functional Understanding Caliper Lever Tappets Pad Retainer Rotor Brake Chamber Roller Bearings Bridge Pads Return Spring

Bendix® ADB22X™ Air Disc Brake Component Identification & Fastener Inspection Look for any Loose fasteners. Identify signs such as movement, rust streaks, etc..

Bendix® ADB22X™ Air Disc Brake Section 5.3.2* – During Step 5 Walk-around *Ohio Commercial Drivers License Manual Accessibility may vary by vehicle configuration Park on level ground and chock the wheels to prevent the vehicle from moving. Release the Parking Brake Check Brake Adjustment

ADB22X™ Air Disc Brake Adjustment Inspection Caliper free movement 0.024” - 0.043”

Bendix® ADB22X™ Air Disc Brake *Ohio Commercial Drivers License Manual * “……….brakes equipped with automatic adjusters are found to be out of adjustment, the driver must take the vehicle to a repair facility as soon as possible to have the problem corrected. The manual adjustment of an automatic adjuster should only be done to allow safe transportation of vehicle to the repair facility………”

ADB22X™ Air Disc Brake Adjustment Remove the adjuster cover Identify that a “shear adapter” is installed Shear Adapter is designed to protect the caliper from over-torque If over-torque occurs, the shear adapter will fail (shear) Once replaced, the caliper can then be properly adjusted If two shear adapters fail consecutively, refer to the SD Sheet, BW7308 for trouble shooting procedure Adjuster cover Shear Adapter

ADB22X™ Air Disc Brake Adjustment Using a 10mm boxed end wrench or 6pt socket Rotate the shear adapter clockwise until brakes are tight Rotate shear adapter counter clockwise TWO (2) clicks Shear Adapter

ADB22X™ Air Disc Brake Adjustment Leave the “shear adapter” installed Reinstall the adjuster cover Verify that the adjuster cover is properly installed

ADB22X™ Air Disc Brake Pad Wear Inspection Visual Inspection Disc Pad Wear Indicators Cast indicators located on caliper and carrier Alignment Indicates Pad Replacement is Required

ADB22X™ Air Disc Brake Pad Wear Inspection Visual Inspection Disc Pad Wear Indicators Cast indicators located on caliper and carrier Alignment Indicates Pad Replacement is Required

ADB22X™ Air Disc Brake Pad Wear Inspection Visual Inspection Disc Pad Wear Indicators Cast indicators located on caliper and carrier Alignment Indicates Pad Replacement is Required

ADB22X™ Air Disc Brake Caliper Sealing Integrity Visual Inspection Boot & Seal Inspection

ADB22X™ Air Disc Brake Caliper Sealing Integrity Visual Inspection Boot & Seal Inspection Adjuster Cover

ADB22X™ Air Disc Brake Caliper Sealing Integrity Visual Inspection Boot & Seal Inspection Adjuster Cover Guide Pin Caps (2)

ADB22X™ Air Disc Brake Caliper Sealing Integrity Visual Inspection Boot & Seal Inspection Adjuster Cover Guide Pin Caps (2) Guide Pin Boots (2)

ADB22X™ Air Disc Brake Rotor Visual Inspection Rotor Braking Surface

ADB22X™ Air Disc Brake Rotor Visual Inspection Rotor Braking Surface Minor heat check will not de-grade braking performance

ADB22X™ Air Disc Brake Rotor Visual Inspection Rotor Braking Surface Minor heat check will not de-grade braking performance Cracks WILL significantly impact and brake life See ADB22X Service Data Sheet for detailed explanations If Cracks are found, the driver must take the vehicle to a repair facility as soon as possible to have the problem corrected.

Bendix® ADB22X™ Air Disc Brake For complete and detailed instructions, refer to the Bendix® ADB 22X™ Air Disc Brake Service Data sheet BW7308 and View the Service Series DVD BW7356

Bendix® Brand Foundation Brake Products From Bendix Spicer Foundation Brake LLC Questions and Answers

Bendix® ADB22X™ Air Disc Brake Thank You