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Larry Miller 
Orange Level
Joined: 21 Nov 2009
Location: NWIL
Points: 907
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 Topic: Transport Valve
Posted: 21 Jun 2020 at 8:49pm |
I have a 73 plow and the book says I need a transport valve. I don't have one. What will the plow do if I try to plow without it. If it is a major problem, I will need a TV for an early D 17 and a WD 45. Who has them? Thanks, Larry Miller
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I used to be young and stupid, now I am not young anymore.
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DrAllis
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Joined: 12 Sep 2009
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Posted: 21 Jun 2020 at 9:20pm |
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Only need it if you have a hydraulic lift tail wheel.
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Larry Miller
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Joined: 21 Nov 2009
Location: NWIL
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Posted: 21 Jun 2020 at 10:05pm |
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Yes, plow has the tail wheel.
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I used to be young and stupid, now I am not young anymore.
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jaybmiller
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Joined: 12 Sep 2009
Location: Greensville,Ont
Points: 24415
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Posted: 22 Jun 2020 at 5:56am |
My 'transport valve' is a chain looped through the seat support frame.... I know not OEM but it's worked for 20 years..... 
Jay
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor)
Never burn your bridges, unless you can walk on water
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Joe(OH)
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Joined: 11 Sep 2009
Location: Montezuma, Ohio
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Posted: 22 Jun 2020 at 7:13am |
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I have a transport valve off a 45 and will be in Illinois on Saturday. Pm me if interested.
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Life is simpler when you plow around the stump.
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DrAllis
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Posted: 22 Jun 2020 at 7:22am |
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The function of the Transport valve with implements that have a hydraulic cylinder on them is this: it allows the first 1500 psi or so of hyd oil to go to the lift arms and NOT affect the hydraulic cylinder on the implement. This then allows the Traction Booster to function by tugging up on the front of the plow to put weight on the rear wheels of the tractor. Without this valve, the Traction Booster will probably send oil to the tail wheel cylinder first, lifting the rear of the plow out of the ground and not transferring any weight to the rear wheels of the tractor. I fail to see what a chain hanging from the seat frame has anything to do with this.
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JoeO(CMO)
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Joined: 11 Sep 2009
Location: Cent Missouri
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Posted: 22 Jun 2020 at 8:27am |
Another feature of the TV is for instance when plowing as long as forward motion continues, all the bottoms will enter or leave the ground in line. In other words you won’t have a sawtooth pattern. 
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Larry Miller
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Joined: 21 Nov 2009
Location: NWIL
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Posted: 23 Jun 2020 at 2:50pm |
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If I can't find a transport V, how about I just treat it like a mounted plow and not hook up the remote?
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I used to be young and stupid, now I am not young anymore.
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jaybmiller
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Location: Greensville,Ont
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Posted: 23 Jun 2020 at 2:59pm |
I was under the impression the 'transport valve' simply stopped oil from getting to the cylinder. so, raise implement, close the valve, proceed down the road and the implement can't slowly lower onto the road.
I've seen 'director valves' where flow can go either to internal rockshaft cylinder OR to a loader....one of my D-14s had that. Handy ,lift loader 2' off ground, turn directo valve, now the rockshaft could be used and loader stayed 2' off the ground.
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor)
Never burn your bridges, unless you can walk on water
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DrAllis
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Joined: 12 Sep 2009
Points: 21490
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Posted: 23 Jun 2020 at 3:22pm |
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If you want to have it lift like a fully mounted plow, you'll have to change the beaming screw so it cannot extend when the plow is raised up. I'd also remove the cylinder and let the tail wheel float.
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