Re: [MV] Overhead car/truck safety stands

From: Ryan Gill (rmgill@mindspring.com)
Date: Mon Apr 11 2005 - 08:43:46 PDT


At 11:30 AM -0400 4/11/05, Yuke.RF@forces.gc.ca wrote:
>We have used a safety collar on our Aircraft engine hoists when we had to
>work on the engines out of their storage stands. The hoist is just an
>expensive underrated garage engine lift. The collar was a section of pipe
>with sufficient diameter to fit over the piston part of the hydraulic ram
>split length wise. The two pieces were attached on one side by a piano hinge
>and the other side by a locking pin. To use we would lift the engine so
>there was more piston showing than the collar was long, put the collar on
>the exposed piston then lowered the crane down so the collar supported the
>weight of the engine so if there was a failure the engine would not bump
>down.

How would it grip without damaging the piston?

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