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Fordson Tractors Discussion Forum

Fordson Power Major 3PL

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Shane

02-09-2004 16:16:23




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If anyone is interested I have recently done some modifications to my 3PL on my FPM. The modifications allow the use of a front end loader or remote without having to have the 3PL in the upper most position, or to chain the 3PL up. Please reply if you are interested in the procedure.




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Christer V

02-10-2004 12:27:02




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 Re: Fordson Power Major 3PL in reply to Shane, 02-09-2004 16:16:23  
Are you from heaven sent? It would be wonderful if you have a solution too this "problem".Thanks in advance Christer V.



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Steven B

02-09-2004 19:36:41




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 Re: Fordson Power Major 3PL in reply to Shane, 02-09-2004 16:16:23  
Please share your knowledge

Steven B



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Shane

02-10-2004 15:25:17




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 Re: Re: Fordson Power Major 3PL in reply to Steven B, 02-09-2004 19:36:41  
If you love your Fordson alot then you probably don't want to do this as it requires drilling holes in it. Firstly the aim of the game is to put a valve in the line that raises the 3PL after the check valve to isolate it. The 3PL assembly, that is the block that is just in front of where you sit but down by your feet, needs to be taken off. Once this is off you should be seeing a round raised section where the 3PL cylinder sits on when it is assembled. There is also the main hydraulic pressure pipe there as well. In the raised round section there are two holes, one is the pressure line that raises the 3PL and the other is the one that lowers the 3PL. The larger of the two is the pressure line. ( It would probably be a good idea if you can confirm this.) This pressure line needs to be blocked off. I just tapped a 3/8" WW hole and plugged it with a grub screw and 5 min. araldite. Now for the exciting bit. You need to drill a 8mm hole from the front of the block to the back. The trick here is to not drill into any other holes and to have the hole come out somewhere within the round raised section of the block. Mine is towards the bottom of the raised section but well below where the plunger for operating the 3PL slides through. The only caution here is to make sure you don't drill into the main plunger or where a seat for one of the valves is. If you happen to drill into any other holes just plug it up and try again. It is a bit tricky to find a good spot to drill but if you take your time you will be fine.(I took the whole assembly apart to find out where all the holes went. You probably need to do this to clean everything up before reassembly anyway) The next thing to do is take off the plate in the front of the block , if you hadn't already done this and drill out the 8mm hole to suit a 3/8" BSP tap or something of your choice (I made my larger hole flat in the bottom, so that it was easier to seal between the plate and the block assemblies.) Then fit an elbow and ball valve to suit. If you already have a loader fitted then you will most probably have a pipe of some sort coming out on the left hand side of the 3PL block,(Left hand side is as if you are sitting on the tractor.)and this would be coming out of the lower of the two ports that are on the side, this is now your main pressure line for all your accessories (3PL, remote loader etc.). Now all that is need is to plumb the new valve you have fitted to where the loader is fitted into. You need to have a valve to shut the loader off after the point where your new 3PL valve comes from. So in theory you now have the 3PL and the Loader coming off of the same port and independant of each other. (What would be best is if you can plumb a 3 way valve into it and discard the 2 other valves. I haven't done that yet as I'm not yet sick of turning the 2 valves.) Everything still works the same and has all the relief and check valves in the cicuit. The changes that you have made now allow you to close off the 3PL at any height and it will stay at that height while using the loader. The only thing is that the 3PL will lower when you move the lever in the lower position. This is because in the proceedure we did not put a valve in the 3PL lowering cicuit.
I have not actually used the loader yet with this modification in place but have used it as a remote for a round hay bale hugger. I believe that using the loader will be similar in operation as the bale hugger and in theory should work well. If you do this modification and it dosen't perform as you expected or you brake or ruin your assembly I wish to take no responsibilty for your losses because in the end it is your discision whether you do it or not. Good luck if you decide to do it. I havn't used mine a lot because I only finished the mod 3 day's ago. But it is great when I do use it.It saves alot of mucking around with chains and stuff like that. Tonight I might fit the loader back on and try it out.
If you have any other quieries please don't hesitate to contact me.

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Shane

02-11-2004 14:00:25




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 Re: Re: Re: Fordson Power Major 3PL in reply to Shane, 02-10-2004 15:25:17  
I tried the loader with this mod and it works absolutely fantastic. The only other concern I have is if I have made the constuction weeker by drilling holes in it. I doubt it because of the size of the block and the size of the holes.
PS if anyone does decide to do this mod it sounds complicated but it isn't and it probably would only take half a day to do if you had all the gear required.



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