bulldogmack407
Member
Was told to re-post this in the Yanmar section, hope you guys can help!
here is the original thread if you want to know whats been discussed so far.
http://www.tractorbynet.com/forums/hydraulics/293308-yanmar-336d-fel-only-works.html
At this point i really need to hear from the 336D owners that have a FEL.
original:
Hello, i tried solving this problem on other forums but had no luck. I bought a Yanmar 336D for $1000 recently. The tractor is in decent shape and runs/operates great. However the tractors FEL will not operate unless you raise the 3 point hitch beyond MAX to the point where you can hear the engine bogging down a little. You can also see one of the lines going to the spool valve tense up. If you use the loader the engine tone returns to normal and the line is not tense until you stop using the loader or lower the 3 point. I replaced the spool valve that was on it when i got it however it did the exact same thing with the old one. The reason i replaced the old one was because it was cracked. There are 3 lines hooked to it besides the 4 ones for the loader cylinders. One of the lines just goes into the reservoir (trans housing) and the other 2 go to a block under the seat. I have spoken to several people and some have told me there should only be 2 lines not 3. I also have a power beyond valve on one of the lines. The only reason i installed the power beyond is because i was told with 3 lines i need it and with 2 you dont. I have included photos of the set up. On all the other forums i got alot of people telling me to cut the steel lines from the pump and plumb things in and people speculating. This machine has the factory loader on it so i know it will work somehow without re engineering the hydraulic system so please dont give me those answers. If you have one of these tractors could you please send me photos or show me where the lines go and tell me weather or not i need the power beyond valve. I love this tractor even with the issues it has at the moment and really want it working without issues.
Thanks
here is the original thread if you want to know whats been discussed so far.
http://www.tractorbynet.com/forums/hydraulics/293308-yanmar-336d-fel-only-works.html
At this point i really need to hear from the 336D owners that have a FEL.
original:
Hello, i tried solving this problem on other forums but had no luck. I bought a Yanmar 336D for $1000 recently. The tractor is in decent shape and runs/operates great. However the tractors FEL will not operate unless you raise the 3 point hitch beyond MAX to the point where you can hear the engine bogging down a little. You can also see one of the lines going to the spool valve tense up. If you use the loader the engine tone returns to normal and the line is not tense until you stop using the loader or lower the 3 point. I replaced the spool valve that was on it when i got it however it did the exact same thing with the old one. The reason i replaced the old one was because it was cracked. There are 3 lines hooked to it besides the 4 ones for the loader cylinders. One of the lines just goes into the reservoir (trans housing) and the other 2 go to a block under the seat. I have spoken to several people and some have told me there should only be 2 lines not 3. I also have a power beyond valve on one of the lines. The only reason i installed the power beyond is because i was told with 3 lines i need it and with 2 you dont. I have included photos of the set up. On all the other forums i got alot of people telling me to cut the steel lines from the pump and plumb things in and people speculating. This machine has the factory loader on it so i know it will work somehow without re engineering the hydraulic system so please dont give me those answers. If you have one of these tractors could you please send me photos or show me where the lines go and tell me weather or not i need the power beyond valve. I love this tractor even with the issues it has at the moment and really want it working without issues.
Thanks
