William Murtha
11.7K subscribers
13:38
Reversing Contactors: Dissected and Explained
William Murtha
796K views • 11 years ago
2:28
1940's garage door operator (industrial)
William Murtha
4.8K views • 12 years ago
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How Professionals Measure Torsion Springs. (Garage Door Fundamentals)
William Murtha
56K views • 12 years ago
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Garage Door Opener Fail (catastrophic)
William Murtha
197K views • 13 years ago
7:21
How A Dock Leveler Works (GDF V)
William Murtha
260K views • 13 years ago
8:56
Garage Door Fundamentals Episode IV: High Lift Counterbalance
William Murtha
93K views • 13 years ago
5:32
Broken Torsion Spring Caught On Video!
William Murtha
785K views • 13 years ago
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Garage Door Fundamentals III: High lift
William Murtha
82K views • 13 years ago
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Garage Door Fundamentals Episode II: Torsion Spring Dyno
William Murtha
158K views • 13 years ago
7:29
Garage Door Fundamentals: Torsion Spring Counterbalance
William Murtha
610K views • 13 years ago
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How I hotwired my Kenmore dryer
William Murtha
32K views • 13 years ago
End of Videos