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03-31-2008, 08:57 PM
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Ford Smith 9000 lbs Tec 9 hoist
just moved to a new shop and have a problem with one of the hoists....it's a Ford Smith 9000 lbs 2 post hoist about 5 years old on the master side where the controls are the one arm goes down slowly by itself. When I raised the hoist they both go up together, but if you wait, the one side slowly leaks downward....only happens on the master control side. Has anyone experienced this problem?
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04-01-2008, 09:23 AM
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I wish I had a hoist....
In a while, Chet.
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04-03-2008, 06:02 AM
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Just bumping this up again. Just a hunch as to why it's going down slowly on you would be a bad seal on the lift ram. Might not be (I've never even heard of a Ford Smith lift so I'm not familiar at all with the setup), but it's worth a shot.
In a while, Chet.
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04-14-2008, 09:05 PM
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Quote:
_____________________________________________ Latest bmw 525i | Latest bmw 525i a/c condenser
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04-14-2008, 09:17 PM
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I would make sure the safety catch (ratchet type mechanism) is working. It's normal for the ram(s) to leak down slowly, that's why if the car has been on the lift very long you usually have to raise the car a bit to get it off the safety catches so they'll release and you can lower the car.
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04-17-2008, 10:40 AM
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tec 9
the problem could be two fold. one could be the seals in the cylinder could be going bad. the other could be the release valve could have trash in it. to fix the valve be sure and hit the up button and at the same time hit the release lever. this will flush the system out. the parts for this lift are very limited. if it is your cylinder leaking down you should be able to take it to a hydraulic shop and have them rebuild it.
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04-17-2008, 06:02 PM
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The reason I suggested the safety catch (mechanical) is there is no way it can leak down if the safety is working. It'll go down a hair until it catches the safety and that's it. I have yet to see a lift that uses only the rams to hold and I sure as hell won't work under it.
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04-18-2008, 03:55 AM
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tec 9
the safety catches are a good idea. it use to be the power unit would hold up most cars but in today's world the power unit even has a tag on it saying this is not a load handling device. it is always suggested to lift the car or truck to the position you want it then lower it back onto the lock. if you don't then it is possible to blow out the power unit seals along with the seals in the cylinders.
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