How to replace a torsion spring safely
Springs store dangerous energy.
6 steps →How-to guides
Garage Door Technician How-To Guides
Step-by-step guides to common garage door technician tasks: the practical side of the job.
Common garage door technician tasks
Step-by-step overviews of tasks garage door technicians perform regularly. Use them to understand the job, prepare for training or refresh your memory.
How to fix garage door safety sensors
Sensors prevent injuries.
6 steps →How to balance a garage door
Balanced doors protect openers.
6 steps →Before you practice
Learn every core task
Our Garage Door Technician training walks through these procedures and more, alongside vocabulary, safety and career-launch lessons.