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Resolve issues with dissatisfied customers and clients.

Identify the client’s and customer’s preferred communication methods and follow up to keep them informed about parts and the repair process.

Explain basic claims handling procedures to customer and client and provide and review terms and conditions of warranty, technical, and consumer protection information.

Estimate and communicate the expected duration of out-of-service time.

Interpret and explain estimates to customer and client.

Diesel Technology A

Foundational Standards

Incorporate safety procedures in handling, operating, and maintaining tools and machinery; handling materials; utilizing personal protective equipment; maintaining a safe work area; and handling hazardous materials and forces.

Demonstrate effective workplace and employability skills, including communication, awareness of diversity, positive work ethic, problem-solving, time management, and teamwork.

Explore the range of careers available in the field and investigate their educational requirements, and demonstrate job-seeking skills including resume-writing and interviewing.

Advocate and practice safe, legal, responsible, and ethical use of information and technology tools specific to the industry pathway.

Participate in a Career and Technical Student Organization (CTSO) to increase knowledge and skills and to enhance leadership and teamwork.

Apply literacy, mathematical, and scientific principles and precision measurements when diagnosing problems and making repairs.

Work independently, collaboratively, and in teams to explore concerns, find causes, and take appropriate action by applying principles of STEM.

Vehicle Research

Research vehicle brakes and cab service information, including fluid type, vehicle service history, service precautions, and technical service bulletins.

General Brakes

Identify brake system components and configurations, including air and hydraulic systems, parking brake, power assist, and vehicle dynamic brake systems, and identify brake performance problems caused by the mechanical/foundation brake system (air and hydraulic).

Air Brakes - Air Supply and Service Systems

Inspect air supply system components.

Verify proper gauge operation and readings, verify operation of low pressure warning alarm, perform air supply system tests, drain air tanks, and check for contamination.

Air Brakes - Mechanical/Foundation Brake System

Inspect service brake chambers, diaphragms, clamps, springs, pushrods, clevises, mounting brackets, and rotor and mounting surface, and measure rotor thickness, thickness variation, and lateral runout to determine needed action.

Identify slack adjuster type and inspect slack adjusters to determine needed action.

Check camshafts (S-cams), tubes, rollers, bushings, seals, spacers, retainers, brake spiders, shields, anchor pins, and springs to determine needed action.

Inspect, clean, and adjust air disc brake caliper assemblies, inspect and measure disc brake pads, inspect mounting hardware, and perform needed action.

Remove, clean, and inspect brake drum and mounting surface, including measuring brake drum diameter and brake lining thickness and inspecting brake lining condition, to determine needed action.

Air Brakes - Parking Brake System

Inspect the parking (spring) brake chamber for leaks and determine needed action, and manually release and reset (cage and uncage) parking (spring) brakes.

Inspect and test parking (spring) brake and check valves, lines, hoses, fittings, application and release valve to determine needed action.

Hydraulic Brakes - Hydraulic System

Check master cylinder fluid level, condition, and fluid type and hydraulic brake system operation including pedal travel, pedal effort, and pedal feel.

Inspect hydraulic brake system components for leaks and damage.

Hydraulic Brakes - Mechanical/Foundation Brake System

Perform rotor and mounting surface/hardware inspection including cleaning disc brake caliper assemblies and measuring rotor thickness, thickness variation, lateral runout, and disc brake pads to determine needed action.