Brake System: Adjustments and Inspections (Air and Electric), Full Air Brake Replacement (Shoes, Pads, Drums), Air Brake Troubleshooting (Valves, Chambers, Air Lines)Air Ride System Troubleshooting & RepairsLanding Gear RepairsStructural Repairs: Roof Patching, Floor Repairs (Wood/Composite)Door Repairs: Roll-Up and Swing Door ReplacementLiftgate Service: Component Inspection and RepairsElectrical Repairs: Trailer Wiring Issues (Lights, ABS), ABS Sensor ReplacementBasic Reefer/Heater Maintenance: Preventative Maintenance, Battery, Belts, AlternatorOrder necessary parts from the parts department or use parts on-site, ensuring all items are brought to the work area. Perform scheduled maintenance and advanced repairs, including all skills from Trailer Tech I checklist, plus:DOT Compliance: Ensure compliance with all applicable State and Federal regulations, conducting regular inspections and repairs.