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Old 03-08-2017, 08:30 AM
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Default Hydraulic jack

I have a bottle jack but don't see any way to take the cylinder out. Is it not servicable?
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Old 03-08-2017, 09:50 AM
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the barrel on most bottle jacks is screwed onto the base casting.
Hold the base in a vice and try to unscrew it. Note the outer casing is the oil reservoir as well so be prepared for a mess.
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Old 03-08-2017, 02:05 PM
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I believe we have a member who rebuilds them
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Old 03-08-2017, 03:07 PM
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Like Terry says, most unscrew. Messy too. Once it breaks loose you should be able to take out of the vise and hold it over a bucket to take it all the way loose.
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Old 03-08-2017, 05:00 PM
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Quote:
Originally Posted by terry lingle View Post
the barrel on most bottle jacks is screwed onto the base casting.
Hold the base in a vice and try to unscrew it. Note the outer casing is the oil reservoir as well so be prepared for a mess.
Maybe clamp it in upside down? ...just a thought --

I can't remember ever taking one apart, intentionally, there are a few in landfills here and there tho---
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Old 03-09-2017, 12:40 AM
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the outer casing is sealed top and bottom by orings on the cylinder it will not help when you open them they puke the oil out. the little ones end up in the scrap but the bigger ones get fixed.
just had a customer bring in a 4 ton he bought yesterday at Princess Autoi for $14.99.
He had an electric jack failure on his fifth wheel 40 miles up the no paddle river. he drove into town and the best he could get was a bobcat and some cribbing. I know it was a costly rescue because he has not asked how much to make a tripod with this jack on it so he can lift it himself. if it happens again.
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