Re: Lock valves on loader plumbing

Posted by NCWayne on February 09, 2012 at 13:51:09 from (69.40.232.132):

In Reply to: Lock valves on loader plumbing posted by tech5201 on February 09, 2012 at 11:55:09:

If you want OSHA's thinking then NO, absolutely not. Remember though, OSHA is also the outfit that wants you to put on a fall prevention device if your over a certain height off the ground. Funny thing is in order to tie off the device properly you need to climb higher than you need to be, untethered, in order to hook up the device that's supposed to be keeping you safe. In other words you need to do something they consider unsafe in order to make yourself safe.....Too they have, for years, fussed about tying off in a scissor lift. Only thing about that is if you fall over the rail on one of those, the force applied to the lift to stop you from hitting the ground will also cause the lift to tip over...Then not only do you hit the ground but you also have the lift land on top of you........Go figure it all out.....I know I can't.

That all said I'd personally have no problem getting up in a loader bucket, lock valve or not. Alot of people fail to understand that if the lock valve isn't plumbed hard to the base of the cylinder than it's basically worthless anyway. Even then there is always the possibility of the valve letting go. Personally I had it happen on the crane on my service truck with a 7000 lb load hanging and the load just started trying to come down. I had to counter it by booming up until I could get the load set down where it wouldn't damage anything. In that case ther valve block was welded to the cylinder and the lock valve was a cartridge style valve, and it just went bad internally. So, regardless of the typoe of valve, all it takes is an Oring blowing out, etc, etc, and the fact that there is a 'lock valve' present means nothing. And,like I said, if it's not hard plumbed then the line between the lock and the cylinder can blow and the load is gonna come down even though the lock valve hasn't released. In this case there's absolutely no difference in a machine with a valve and one without when it comes to the situation we're talking about here.

In the end working out of the bucket is gonna be safer than working off of a ladder, in my opinion anyway. Either way if something happens and the object your standing on falls, your just along for the ride. The only big difference is the bucket will hurt alot more if it lands on you than the ladder will....but either way the ground is gonna hurt the same when you hit it...

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