This is what happens when your not watching what you’re doing

Welder guy

Old Man with a Hat
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This was just posted to a Facebook site : Plymouth Fury Owners . the only description given was : He parked the car, the hoist slowly started to move and the car flipped on its side in slow motion. How can this happen?
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Trying to see what kind of lift being used
It kinda looks like a hydraulic center post
If that’s the case, then not extending the arms would be the cause
 
Has it been determined what type of lift was involved? I've seen a few deals on the old Weaver Twin-Post lifts where it could/almost-did happen, but that was front-to-back rather than side-to-side. But then, too, one of our techs did manage to lay a then-new '80s Suburban on its side with a center-post lift, back then. Just as the chicken wire on the insulation of the roof kept a 3/4 ton pickup from nosing over, as it was driven too far forward on a center-post lift, too. It all looked decent until it got neara the top. Just a few scratches in the rear end of the bed rails, on that one.

Take care,
CBODY67
 
Back in 1982, I was going to a junior college and worked at the first engineering related firm (albeit as a quality assurance technician) and another employee had a 69 Chevelle. He had taken it to a shop to have some work done on it. That afternoon, he received a call from the shop and they told him that he needed to come to the shop.
Lo and behold, his car had fallen off a 2 post (front / rear cylinder centered on the car - twin post?) and totaled the car. He was devistated.
I don’t know why and how it happened, other than that gent then purchased a Toyota pickup...
 
I always raise the vehicle up 'til the wheels are off the ground and then bounce both ends up and down vigorously to check.I also always use posts under both ends once fully raised.Kind of a hassle but I don't want to die and I can't afford another car:thumbsup:
 
at work, i use an 18k rotary drive-on with two 9k roll arounds. professionally inspected and maintained annually. great set up, very versatile. safe as can be expected. safety is always the responsibility of the operator though. got to be careful.
 
It kinda looks like a hydraulic center post
place i worked at years ago had an air over hydraulic two post side by side in ground. was a process to get that lift to go up or down. two levers to operate. we had a set-up where we could prop the air lever either way because it took awhile to charge or discharge the air. i could see where a propped hydraulic lever, some air left in a compressor tank and an air valve failure would cause this.
 
I was never comfortable with a double ram setup
Always double checking to make sure that the car went up and down evenly then placing tall safety stands at each end by each ram expecting the failure to happen
 
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