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Department of Real Work
Mastery
BLOCK 05
Brazing and Soldering of Dissimilar Metals | Instructor-Led Skills Session
This Mastery Review is to be completed with a Senior or Master Technician who has extensive refrigeration experience.
Step 1.
Schedule time with your instructor and complete the Supervisor-Led Skills Session outlined below.
Step 2.
Upon completion, return to this page to summarize your session using the form below.
Instructor-Led Skills Session | Brazing and Soldering of Dissimilar Metals
Step 1.
Working with your instructor, complete the listed Assessment Tasks.
Assessment Tasks:
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Safety — Review flame safety, PPE reqs., firewatch duties, and safe handling of brazing equip.
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Preparation — Clean and prepare tubing and fittings for soldering and brazing applications.
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Materials — Identify proper solder, brazing rods, fluxes, + fillers for copper-to-copper & dissimilar metal joints.
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Nitrogen Purging — Demonstrate proper nitrogen purge setup + explain its purpose during brazing.
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Practice — Complete (3) soldering and brazing exercises involving dissimilar metal connections.
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Development — Discuss overheating prevention, component protection & skill development.
Step 2.
After you have completed your Instructor-Led Skills Session, complete the form below. In your response summarizing the session, be sure to list:
• Instructor's Name: confirm the name of the Senior/Master Technician who led your session.
• Skills Performed: summarize the tasks demonstrated and activities completed during the session.
• Feedback: what feedback or areas for continued development were provided to you by your instructor?
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