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Tractor Talk Discussion Forum

Deutz 06 hydraulic

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Jussi

11-06-2003 22:36:10




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Hi,
Does anyone knows if Deutz 4006 (1972) has filter in hydraulic systems ? If there is where it is and how in can be replaced. Also i'm intrested about hydraulic lift and it's seals. Lift works quite well, but if you stop the tractor when the lift is up it comes down quite fast by itself.
I wonder if the seal in lift cylinder could leak ?
Where the lift cylinder is and how the seal can be chanced ?
-jussi

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keith poulton

10-02-2004 08:14:50




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 Re: Deutz 06 hydraulic in reply to Jussi, 11-06-2003 22:36:10  
dear all,
I wonder if anybody can help with information.
I have a 6006 with 7000hrs on the clock and it hickups with a heavy load on the 3 point lift. I have replaced the control unit with a secondhand one and renewed the end o seal and the side o seal which has made little difference. I am assuming that the main ram seal needs to be replaced. Can i just remove the front cover of the ram cylinder to obtain access to the piston or do I have to take the the whole hydraulic assembly apart? Many thanks in anticipation.

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Robert in W. Mi

11-07-2003 13:46:01




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 Re: Deutz 06 hydraulic in reply to Jussi, 11-06-2003 22:36:10  
The hydraulic filter is in front of the seat on the floor close to the seat cover. There are two sizes of filters, one longer than the other. You have to take (3) hex head screws out, and then the filter is under that cover. You can tell if it takes the long filter, because the cover over it stands up above the floor a bit. All this is, is a long spacer to make room for the longer filter. All the newer 06's used the longer filter, and if you find the "extension and longer hex bolts", it will retrofit into older 06's.

There also is a strainer under the seat in the hydraulic system. You have to unbolt the cover the seat is bolted to to find it. It's down in the oil, and you will have to reach around for it.

Hope this helps you!

Robert

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Alvin n Ms.

11-07-2003 11:02:05




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 Re: Deutz 06 hydraulic in reply to Jussi, 11-06-2003 22:36:10  
Two things cause that. warn out rings, gouges, deep scratches, in the ram cylinder, or a leaking check valve in the control valve body. I would guess yours is the first. You may as well go ahead an remove the lift cover and take the ram apart, yor will see it just under the cover, about 4in. in diameter, fairly simple, much like the old Harry Ferguson system from the 1930s. I don't remember a filter, but if it is there you will find it.

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Marc

07-18-2004 17:43:26




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 Re: Re: Deutz 06 hydraulic in reply to Alvin n Ms., 11-07-2003 11:02:05  
The information you have received about the filter location is correct. There is a triangular-shaped cap on a casting that sticks up from the three-point unit in front of the seat. There will either be a "tall" or "short" filter under the cap. Actually, the short cap is circular in shape. There is also a screen style filter in the housing itself usually under a plastic cover with a spring-type clip over the end. As far as the three-point arms letting down, about half of the tractors did this when they were new. If you're sitting on the tractor, down on the front of the lift unit above where the small hyd. line comes out and crosses over the trans., there is a circular piece with an Allen's head screw and a couple of plugs. This is actually a cylindrical unit about 6 inches long. Called the "brain" it controls the metering of the hydraulics, from the three-point to the remotes. Take out the Allen's bolt, and then you will have to take off the remote valve or valves. There will also be an Allen's bolt the same size as the one in the front of the unit. After these have been removed, try to turn the "brain" 90 degrees counter-clockwise. After you do this, try to pull the brain out. If you can't, drive it out from the back. You will have to take the cover off of the three-point unit. After you get it out, check the condition of the O-ring on the side. Also, there is a slotted plug on the side. Remove this and check for a "mushroom" shaped piece behind it. If this is broken, or the O-ring is damaged, your hydraulics will "hiccup" with the engine running and something heavy on the lift-arms. Even when all of this stuff is okay, the lift-arms may still leak down when the engine is shut off. I got all of this info. from a certified Deutz tech..

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