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Wsee,I have a pic the main frame with part of the boom still on it, my son told me we sold the swing cylinder already.send me your e-mail address I will forward you the pic
tommy@affordabletractorsalesco.com
Tommy
Affordable Tractor Sales
“Your Jinma Parts Superstore”
I found the main Frame, I will take a pic tomorrow ,I will also look to see if I still have that cylinder then also
Thanks Tommy
Affordable Tractor Sales
“Your Jinma Parts Superstore”
It has been working so the lines are OK I'm pretty sure, the problem started after you or the previous owner loaded the tractor.I think that valve stuck.I have seen several Cross valves, put never had to work on many.What did the hydraulic shop call the part ? Relief valve ? Power beyond ?
Tommy
Affordable Tractor Sales
“Your Jinma Parts Superstore”
Larry, go to the source:
Cross valves have been around for years and still are today.Contact Cross, tell them you are looking for some help and I will assure you they will help you or get you in contact with someone
CROSS HYDRAULICS CONTACT PAGE
DistributorsFor a recommended distributor in your area, please call us at 620-324-5525 or e-mail us at info@crossmfg.com This email address is being protected from spambots. You need JavaScript enabled to view it. . We want to give you our best customer service!
Tommy
Affordable Tractor Sales
“Your Jinma Parts Superstore”
http://www.affordabletractorsalesco.com
Larry, send me a pic of that valve, I will see if I can help you with it
tommy@affordabletractorsalesco.com
Tommy
Affordable Tractor SAles
I had one swing cylinder and a main frame at one time, we are building a new building right now so I have stuff stacked everywhere, I will look once we get the new building dried in so I can move some stuff around and will let you know
Tommy
Affordable Tractor Sales
“Your Jinma Parts Superstore”
I would think that turning the motor over would show some signs of pressure, but you can start it for a brief min, if you are getting pressure there you will know it in a few seconds , just be ready to pull the stop cable.Worst case you will loose a little hydraulic fluid
Tommy
Affordable Tractor Sales
“Your Jinma Parts Superstore”
Larry, you are just going to have to go 1- step at a time, first check to make sure you have Hydraulic pressure to the Hydraulic lift box from the hydraulic pump , loosen the line coming from the pump.If yes move on to the lift valve, that's what is providing the pressure to the Hydraulic cylinder,there is also a pressure relief valve inside the lift box that may be stuck no allowing the pressure to go to the piston.You can also loosen the return line leaving the Hydraulic box, see if you have a flow going thru the box, if yes you only have a few other things it could be. The piston leaking by ( You already replaced that), the Lift valve, the distributor valve in the lift box, or a stuck pressure relief valve.Start at the beginning.Sorry I could not help you yesterday on the phone, We are working on another building and had to move some electrical for the concrete guys
Don't give up it will turn out to be something pretty simple.Most of the time it ends up being gunk in the system that has stopped something up
Tommy
Affordable Tractor Sales
“Your Jinma Parts Superstore””
The rear hydraulic pump is for the loader and the 3- point, if the loader is working the pump is good, there is a return filter but again if the loader is working fluid is returning, most likely the O-ring in the piston.o service manuals on any of the Chinese tractors
Tommy
Affordable Tractor Sales
“Your Jinma Parts Superstore”
Well you cannot see the piston, you have to take it apart to see if the O-rings and wiper are bad, if the loader is working its either the o-ring or the lift valve.We have anything you may need give us a call if we can help you 979-865-4002
Tommy
Affordable Tractor Sales
“Your Jinma Parts Superstore”
