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If you can get a kit from Tommy you should be in good shape. I had issues with the cylinders on my FEL ZL30. The Cylinders looked the same outside but had different pistons so I went to Hercules Sealing in Clearwater, FL. Sent them the old seals and the made me several new seal sets with high performance urethane. After I rebuilt the cylinders I can raise the FEL and it will stay up forever. When I had new factory cylinders they would sink within a day. I also have a LW-7 and have to rebuild the cylinders when I get chance. I put a Prince pump on for more power and use, but all the cylinder seals leak. If I raise the boom it does not hold for any period of time. If your kits work out let me know. I wouldn’t use the original Chinese seals. BTW I use O ‘Riley AW 32-46-68 Hydraulic oil and have good results.
Semper Fi
LenBoPostgenerate
I just replaced a cylinder on my ZL30 in July. It cost around $360 including shipping from Affordable Tractor. I haven't found the same size aftermarket cylinder with the right size hose fittings, but I am sure someone can make one up for you. I needed to get my FEL up & running and Tommy always gives GREAT service and sent one to me in a few days after calling him.
I am also curious to find out what you were doing when the end of the cylinder blew. Also if you find a replacement for 3Xs less ($120) let us know.
Rich
good info for anyone not familiar with the screw in dip sticks and position of the cylinders.
Roger
I have a Jinma 354 with a LW7 BH. You can take the box (factory pump) with the hoses off of the rear of the tractor and there is a plate you can use as a cover after taking the pump off. If you bought the tractor new the dealer should have given you that plate. If you don't have on you can order one from Tommy, Harold, or Jerry at Affordable Tractor. I re-worked my hydraulics on my BH and installed a Prince pump so all I have to do now is disconnect the BH from the 3 point hitch and pull the pump off of the PTO spline.
Len.
Rich
Thanks for the link for the info on splitting a tractor. Quicksandfarmer also sent me detailed info on splitting the machine. It is all kind of intimidating, but with the information I now have at had I am confident I can get the project done. Just have to find the time. At least I can wait since I don't have to run the tractor in the current condition. I'll post updates as soon as I get started.
Len
Carl:
I had the same issue. My kit also had one extra O ring and I called Jerry at Affordable and was told that some of the kits are universal and will fit several different cylinders and have an extra O ring.
I have a ZL30 FEL and I think it has the same cylinders as the ZL20. My kit had (4) O rings, one for the end cap seal 47mm ID, one for the shaft under the piston 15mm ID, one for the middle of the split piston that goes under a ridged seal 39mm ID and one extra ring 30mm ID for another type cylinder.
You might want to call where you got the kit from just to make sure.
Len
Bob
Thanks
I really need to split the tractor to fix the leak so I can run the machine with out worry. I have had several replies to my post on this with a wealth of detailed information for that project. Just need the time.
I am currently training a Bernese Mountain Dog (puppy) to be a working dog. He is 13 weeks, 30 lbs., and all pup. A lot of work, but a lot of fun also.
Well another productive day!
I finished my FEL project this morning after several set backs. I decided to go out and do the job right. I took the four cylinders off and disconnected all the hydraulic lines on the tractor and blew them out with air. Purchased one new cylinder and a seal kit for a second cylinder from Affordable tractor and had Hercules Sealing Products custom make some High Performance urethane seals for the two boom cylinders. Rebuilt three cylinders. Then purchased a new upgraded valve kit form Affordable. I also took the quick disconnects apart and removed their guts to have a free flow of fluid. Put it all together, filled it up with
AW 32,46,68 and the FEL works great. Had the boom and bucket raised for the past seven hours and there has not been any weep/sag in the cylinders – rock steady. The only thing I still want to do is plumb a pressure gauge into the line to see exactly what the PRV is set at.
I would like to give a special thanks to Affordable Tractor. Tommy, Jerry and the rest of the staff were extremely helpful with this project and I would give them a 10 star rating for their customer service. Tommy really went out of his way to help me.
I have three more projects that I want finish on my tractor:
1) split the tractor and install new seals to fix leaking oil.
2) rebuild the main hydraulic cylinders on my BH with HP urethane seals. I have already installed a Prince pump with modified hoses & filter.
3) fix the power train fluid leak from the right rear axel that is going into my brake assembly
If I get this done I shouldn't have any oil on the floor.
