I believe those springs have a life of approximately 7 years under "normal" use.
It's not a good idea to walk under the garage door when it is being operated.
SAFETY WARNING - GARAGE DOOR DANGER! - CNN iReport
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Da Chicago So Side; The Village of Park Forest, IL; 3/7 Cav, 3rd Inf Div, Schweinfurt, Ger 65-66; MACV J12 Saigon 66-67; San Leandro, Hayward & Union City, CA (San Francisco East Bay Area) GO DUBS ! (aka W's)
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