PowerLift Great Lakes Complete Hydraulic Door Install

A complete door install of a 70'x18' hydraulic door in an airplane hangar. The video starts with lifting the door into place, making necessary adjustments to ensure a snug fit, welding the door into place and finally opening and closing it for the first time.
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[@alifuaterdem]

Are there any precautions if one of the hydraulic hoses breaks or bursts?

[@ElginServiceCenter]

Very good question Ali. In the case of a hydraulic hose break there are flow restrictors in hydraulic cylinder that will allow the door to close slowly. Another question we often hear is what happens if there is a power outage? In that case a separate portable power unit can be used or the door can be hooked directly up to the hydraulic system on a tractor to open or close the hydraulic door. Thanks for the question. So sorry for the delayed response.