
Sealed System Tools
Lesson Packet
Learn the complete tool setup and step-by-step workflow used in sealed system repair. This lesson covers essential tools, proper job preparation, recovery procedures, leak testing with nitrogen, evacuation, charging methods, and real-world service techniques to improve efficiency and prevent costly mistakes.
Reading Pressure & Understanding System Operation
Learn how to properly use refrigerant gauges, understand pressure readings, and relate them to temperature for accurate system diagnostics. This lesson covers compound gauges, saturation temperature, proper valve usage, and how to determine if a system is operating correctly.
Lesson Packet
Refrigerant Recovery, Gauges & Charging Tools
This lesson teaches technicians how to properly access a sealed system, recover refrigerant, and use gauges and charging tools. Students will learn the differences between recovery methods, gauge types, and proper procedures required for safe and accurate sealed system service.
Lesson Packet
Torch Setup & Brazing Fundamentals (Oxy-Acetylene vs Turbo Torch)
Lesson Packet
Learn the proper setup, operation, and safety procedures for using brazing torches in sealed system repair. This lesson covers oxy-acetylene and turbo torch differences, regulator use, flame control, and proper brazing fundamentals for reliable, leak-free connections.
Tubing Preparation & Brazing Setup Fundamentals
Learn the critical preparation steps required before brazing, including cutting, reaming, cleaning, and proper tubing fitment. This lesson focuses on preventing restrictions, ensuring strong joints, and understanding why preparation is the most important part of sealed system repair.
Lesson Packet
Advanced Brazing Techniques: Copper, Steel & Aluminum Joints
Lesson Packet
Learn advanced brazing techniques used in sealed system repair, including copper-to-copper, copper-to-steel, and aluminum joints. This lesson focuses on proper heat control, material preparation, and techniques to prevent leaks, restrictions, and contamination inside the system.
