Job Description:

• 1) Assembles prepunched aluminum fin plates and copper tubing to form cooling coils for air-conditioning units, using handtools and other equipment: Places fin plates on worktable and clamps into position.

• 2) Inserts copper tubing through holes in fin plates.

• 3) Depresses switch to activate hydraulic rams, forcing them through tubes, to expand tubes and lock fins in position.

• 4) Joins completed assemblies, using end plates and pneumatic hammer to expand ends of tubes.

• 5) Heats tube ends and seals joints, using solder.

• 6) May operate press machine to punch fins and tubes required to fabricate air-conditioning coils.