chanceu
Silver Member
A little background...I have a year old TC24DA with 64 hours. I've been having issues with my FEL (NH 12LA) curl and lift leaking down while the tractor is running at PTO speed. The lift slowly leaks down, but the curl is inconsistent. Sometimes the curl stays in place for a long time or slowly goes gown, but other times it'll almost hit the ground in the time it takes to turn my head to back up. When I say leaking down, I'm don't mean the FEL settles a little, I mean it will hit the ground if I let it go.
The dealer suggested it might be a seal in one of the cylinders and said that if I dead head the system for a few minutes, the bad cylinder will get hot. I did this for both lift and curl and none of the cylinders seemed to get any warmer than the others.
Someone here suggested the backflow poppits in the control valve might be bad. Since they were inexpensive, I gave it a shot and replaced both of them. The problem seemed to go away for a month or more then came back.
There are no leaks I can see and the FEL seems to work fine and be as strong as it always was, it just won't stay up. As a last ditch effort before I take it to the dealer, I have been thinking about flushing the hydraulic system. I figure it's a fairly inexpensive DIY project and if it works, it'll save me the time and money of a dealer visit.
The point of this post...I have read several posts about flushing the hyraulic system, but none specifically for NH. They suggest draining the hydraulic oil, refilling with kerosene or diesel, running the system for a few minutes, drain the kerosene or diesel, and refil will hydraulic oil. My question is can this be done to my TC24DA without hurting it? The other posts were about other tractors, some were older and some were brands I'd never heard of.
The dealer suggested it might be a seal in one of the cylinders and said that if I dead head the system for a few minutes, the bad cylinder will get hot. I did this for both lift and curl and none of the cylinders seemed to get any warmer than the others.
Someone here suggested the backflow poppits in the control valve might be bad. Since they were inexpensive, I gave it a shot and replaced both of them. The problem seemed to go away for a month or more then came back.
There are no leaks I can see and the FEL seems to work fine and be as strong as it always was, it just won't stay up. As a last ditch effort before I take it to the dealer, I have been thinking about flushing the hydraulic system. I figure it's a fairly inexpensive DIY project and if it works, it'll save me the time and money of a dealer visit.
The point of this post...I have read several posts about flushing the hyraulic system, but none specifically for NH. They suggest draining the hydraulic oil, refilling with kerosene or diesel, running the system for a few minutes, drain the kerosene or diesel, and refil will hydraulic oil. My question is can this be done to my TC24DA without hurting it? The other posts were about other tractors, some were older and some were brands I'd never heard of.