01

Observe and test system operation, using gauges and instruments.

02

Adjust valves according to specifications and charge system with proper type of refrigerant by pumping the specified gas or fluid into the system.

03

Test lines, components, and connections for leaks.

04

Dismantle malfunctioning systems and test components, using electrical, mechanical, and pneumatic testing equipment.

05

Adjust or replace worn or defective mechanisms and parts and reassemble repaired systems.

06

Braze or solder parts to repair defective joints and leaks.

07

Perform mechanical overhauls and refrigerant reclaiming.

08

Keep records of repairs and replacements made and causes of malfunctions.

09

Install expansion and control valves, using acetylene torches and wrenches.

10

Install wiring to connect components to an electric power source.