Reference
Service procedures
Each skill is a numbered list of steps with the critical steps flagged, and the mistakes candidates make.
Showing 16 of 16 skills
- Refrigerant regulationsAlways tested
Refrigerant Recovery from Stationary Equipment
Remove refrigerant from a stationary appliance into an external cylinder so it can be opened without release.
12 steps5 critical - Leak detection repairAlways tested
Leak Detection Inspection
The leak management routine for large appliances under 40 CFR 82.157.
13 steps5 critical - Refrigerant regulationsAlways tested
Refrigerant Handling and Identification
Handle refrigerant and its cylinders safely and legally.
11 steps4 critical - Recovery recyclingAlways tested
Recovery from Low-Pressure Appliances
Recover refrigerant from a low-pressure system to the Table 1 level.
11 steps5 critical - Recovery recyclingAlways tested
Recovery from High-Pressure Appliances
Recover refrigerant from a high-pressure system to a legal level before opening it.
12 steps5 critical - Recovery recyclingAlways tested
On-Site Recycling of Recovered Refrigerant
Clean recovered refrigerant on site for reuse in the same owner's equipment.
8 steps3 critical - Leak detection repairAlways tested
Electronic Leak Detection
Use an electronic leak detector as one method of locating refrigerant leaks.
12 steps4 critical - Leak detection repair
- Leak detection repairAlways tested
Leak Repair Verification
Fix a leak on a covered appliance and prove the fix worked.
11 steps5 critical - Equipment serviceAlways tested
System Evacuation (Vacuum Pump)
Pull a system down with a vacuum pump, then prove it is dry and tight.
10 steps3 critical - Equipment service
Dehydration of Wet Systems
Remove moisture from a system that has been opened or contaminated.
9 steps3 critical - Equipment serviceAlways tested
Charging by Weight (Cylinder Method)
Put a measured amount of refrigerant into a system with the cylinder on a scale.
13 steps5 critical - Equipment service
Major Component Replacement
Take the refrigerant out, open the circuit, swap the part and restore the system.
12 steps4 critical - Safety handlingAlways tested
Personal Protective Equipment for Refrigerant Work
Protect your eyes, skin and lungs when working with refrigerant.
11 steps5 critical - Safety handlingAlways tested
Refrigerant Cylinder Handling and Transport
Move and store refrigerant cylinders without injury or lost refrigerant.
11 steps5 critical - Safety handlingAlways tested
Refrigerant Identification
Work out which refrigerant is in a cylinder or system before you act on it.
9 steps3 critical