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Tractor Talk Discussion Forum

Help Problem With Hydraulic Bottle Jacks

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Bruce Hopf

02-28-2008 15:20:06




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I have three 12 ton hydraulic bottle jacks that won't lift. One I got a little over 1 year ago. This one wil lift a little then quit. the other 2 won't do anything. Before all 3 worked great. Any suggestions. Hope I can get these working again with out replacing. Thanks. Your input would be greatly appreciated.




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Bus Driver

02-29-2008 06:01:01




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 Re: Help Problem With Hydraulic Bottle Jacks in reply to Bruce Hopf, 02-28-2008 15:20:06  
Most bottle jacks will work horizontally if positioned so that the pump is on the lower side.



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Dan-IA

02-28-2008 19:24:37




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 Re: Help Problem With Hydraulic Bottle Jacks in reply to Bruce Hopf, 02-28-2008 15:20:06  
I don't know, but I bet Allen in NE will have the answer. He's pretty good at using bottles for jacks.... :)



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Bruce Hopf

02-28-2008 19:29:16




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 Re: Help Problem With Hydraulic Bottle Jacks in reply to Dan-IA, 02-28-2008 19:24:37  
Thanks for your input.



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msb

02-28-2008 18:34:00




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 One More Time. in reply to Bruce Hopf, 02-28-2008 15:20:06  
Close the valve, jack the jack up as high as it will go. Invert the jack and let it set for a few seconds upside down. With the jack still upside down, open the valve and push the ram back in. You may have to repeat this process 2 or 3 times before you expell all the air out of the oil, Adding oil will only help if the jack has obviously leaked. About any bottle jack can be used vertically if the valve is positioned on the bottom , but may still pick up some air.Jacks will also pick up air if laid on their side for very long.

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Bruce Hopf

02-28-2008 19:21:13




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 Re: One More Time. in reply to msb, 02-28-2008 18:34:00  
Ok I will give that a worl. Thanks for your input. Hopfully I will get somewhere with these jacks.



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Glenn F.

02-28-2008 15:56:31




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 Re: Help Problem With Hydraulic Bottle Jacks in reply to Bruce Hopf, 02-28-2008 15:20:06  
I don't mean to be insulting, but are the jacks vertical...? Very few jacks are designed to work if not vertical.

Glenn



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Bruce Hopf

02-28-2008 19:06:09




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 Re: Help Problem With Hydraulic Bottle Jacks in reply to Glenn F., 02-28-2008 15:56:31  
Sorry my fault. I forgot to mention that they are vertical. My mistake sorry once again. I appreciate the help



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504-2

02-28-2008 15:37:52




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 Re: Help Problem With Hydraulic Bottle Jacks in reply to Bruce Hopf, 02-28-2008 15:20:06  
Small screw or rubber plug on the side of the jack is the fill hole.



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Bruce Hopf

02-28-2008 19:17:45




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 Re: Help Problem With Hydraulic Bottle Jacks in reply to 504-2, 02-28-2008 15:37:52  
When I filled the jacks, I pulled out a black plug about half way up the side of the jack. With the jack standing upright, I then filled it with hydraulic oil. Is that the way to fill them or is there another way to fill them? Your help is greatly appreciated. Thankyou



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Gun guru

02-28-2008 15:30:53




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 Re: Help Problem With Hydraulic Bottle Jacks in reply to Bruce Hopf, 02-28-2008 15:20:06  
it may be low on oil. Or semi-frozen.



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Bruce Hopf

02-28-2008 19:27:48




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 Re: Help Problem With Hydraulic Bottle Jacks in reply to Gun guru, 02-28-2008 15:30:53  
Sorry I forgot to say thanks for your input. Thanks.



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Bruce Hopf

02-28-2008 19:26:02




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 Re: Help Problem With Hydraulic Bottle Jacks in reply to Gun guru, 02-28-2008 15:30:53  
I'll try checking this out. Been using hydraulic jack oil for 2 of them. I checked the oil of the other one, and red oil came out, somthing like automatic tranny fluid. Does it matter which oil is used, jack oil or tranny fluid?



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IaGary

02-28-2008 15:30:21




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 Re: Help Problem With Hydraulic Bottle Jacks in reply to Bruce Hopf, 02-28-2008 15:20:06  
Have you ever added oil to them?

They don't have to be very low and they won't work.

Gary



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Bruce Hopf

02-28-2008 19:11:34




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 Re: Help Problem With Hydraulic Bottle Jacks in reply to IaGary, 02-28-2008 15:30:21  
I have tried adding oil, and still doesn't work. Mabey I'm not putting enough in, or not getting the air blead out right.



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in-too-deep

02-28-2008 15:30:01




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 Re: Help Problem With Hydraulic Bottle Jacks in reply to Bruce Hopf, 02-28-2008 15:20:06  
Are they out in the cold? My guess would be there's some water in the oil and it's frozen. Try thawing them out...oh and make sure they have enough fluid of course : )



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Bruce Hopf

02-28-2008 19:34:19




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 Re: Help Problem With Hydraulic Bottle Jacks in reply to in-too-deep, 02-28-2008 15:30:01  
I'll put them on top of the woodstove in the shop tommorow for a while, and then check the oil. Is there any special way to check the oil, or to add the oil. Your help is greatly appreciated. Thanks



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ldj

02-28-2008 19:26:04




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 Re: Help Problem With Hydraulic Bottle Jacks in reply to in-too-deep, 02-28-2008 15:30:01  
Wouldn't a floor jack be horizontal?



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Bruce Hopf

02-28-2008 19:38:52




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 Re: Help Problem With Hydraulic Bottle Jacks in reply to ldj, 02-28-2008 19:26:04  
Yes floor jacks are horizontal. But these jacks that I'm trying to get working, are bottle jacks, flat base on the bottom, and when you pump then the sylinder goes straght up. Thankyou for your input.



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