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Fork Lift Build

jd f725 wheel chair lift

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#1 KennyP ONLINE  

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Posted June 26, 2017 - 07:46 AM

Well, the time has come to start this build. May not go very fast to start with, just brought the wheel chair lift back up yesterday. Gotta get it functioning again. I put the new belt on the F725 mower and the worn pulleys are eating it right up. Plust one of the PTO drive belts is about to give out. The lift valve needs rebuilt (if that is possible). Just more issues (and dollars) than I want to fool with. So the deck comes off and the lift gets fitted up to it.

Here's the link to the wheel chair lift thread I made some time back.


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#2 chieffan ONLINE  

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Posted June 26, 2017 - 09:11 AM

Some times we just have to let go of the things we like when the parts out value the equipment.  When I get my White with the 3 point back running good again looking at a fork lift/carry all for on the 3 point.  Will be watching your post.  My F525 did not have a deck raising feature until I hooked a post mounted winch to the front roller.


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#3 KennyP ONLINE  

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Posted June 26, 2017 - 04:18 PM

Count this thread as null and void as the hydraulics on the lift are trash!


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#4 Cat385B ONLINE  

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Posted June 26, 2017 - 05:51 PM

Son of a .....

I want to see a homemade forklift!
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#5 MH81 ONLINE  

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Posted June 26, 2017 - 06:45 PM

Son of a .....
I want to see a homemade forklift!


Fork-a1.JPG
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#6 Cat385B ONLINE  

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Posted June 26, 2017 - 10:07 PM

How about one of these?

IMG_1051.JPG
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#7 Alc OFFLINE  

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Posted June 27, 2017 - 05:26 AM

 

Count this thread as null and void as the hydraulics on the lift are trash!

Kenny , I've been reading your threads for a few years and can't believe your giving up so soon ?   What's wrong with the hydraulics on the lift ?


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#8 KennyP ONLINE  

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Posted June 27, 2017 - 05:43 AM

Al, everything I have tried to do lately has went South. But I've been thinking about this. The pump won't lift it but will hold it until I let go of the button. Even the jack in it won't raise it back up, so I'm thing the cylinder needs rebuilt. It's not a welded cylinder, so may see if I can get it out of there and take it apart.


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#9 Alc OFFLINE  

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Posted June 27, 2017 - 05:49 AM

Maybe a solenoid not working or a check valve stuck ? Any chance you have a service manual for it with some kind of electric / hydraulic schematic ?  



#10 KennyP ONLINE  

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Posted June 27, 2017 - 06:14 AM

No manual or anything. I tried finding something when I first got it working, but nothing was found.



#11 KennyP ONLINE  

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Posted June 27, 2017 - 11:00 AM

Maybe a solenoid not working or a check valve stuck ? Any chance you have a service manual for it with some kind of electric / hydraulic schematic ?  

I think you are right, Al! I pulled the one in the side of the pump and I think it is not working. It's a Deltrol 10033-21. Gonna Google that and see what I find.


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#12 Mark 149 J. ONLINE  

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Posted June 27, 2017 - 11:12 AM

That's the Kenny that I know!  Never give up!


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#13 KennyP ONLINE  

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Posted June 27, 2017 - 12:12 PM

We are back in business, sorta! It lifts, but won't go down. Pump does not run when I hit the down button. What I did was take the center part of the solenoid into the vise and put a little brake cleaner down into the plunger and tapped lightly with a punch and hammer. Now the plunger works again. I going to investigate the wiring, I think someone has changed things around as I see no direct 12V to the switches. Pics to come!

 

I can let it down right now by opening the valve on the manual jack for it.


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#14 KennyP ONLINE  

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Posted June 27, 2017 - 01:04 PM

I worked up a diagram of how it is wired right now.

Wiring.jpg

 

Seems odd but it raises it. Just haven't figured out how to let it down with the button. Seems the solenoid is not working, but unsure. Bmerf posted this in to original thread as a way to wire it.

post-9846-0-79362300-1414584231.jpg

 

Not sure if this would work here!

 

 


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#15 MH81 ONLINE  

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Posted June 27, 2017 - 09:36 PM

I think you're missing 12v to the red wire.
Can you post a pic of the small solenoid and what it's mounted to?
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