Another day, a new problem

Bruce from Can.

Well-known Member
While out working dirt with my high speed tillage piece, called a “Terradisc “, it suddenly became unhooked from the tractor. The extendable links on the tractor’s 3 point hitch arms actually came right off.i looked at the hitch, nothing seemed a miss, latch locks were closed. I opened the locks, put the links back together and hooked up and went back to work. Short time later, one side disconnected again, when I got off to investigate I found the latch had come open by itself, and the link came free. So I thought I’d wire them down, but apparently due to the very irregular shape of the hitch arms, it wasn’t possible to get the wire tight enough to hold the latch closed. So I improvised a clamp, using some threaded rod and scrap steel. Worked 70 acres with this rigging, no more problems. Looks a bit crude but works.
 

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The latches for extendable 3pt draft arms on my Kubota M7040(64 pto hp) appear to be more robust than the latches in your photos. I've never had my 3pt draft links extend or release on their own.
 
Through years of jerking and vibrating, the edges are probably rounded off. A little welding and grinding to square up the edges and it will probably be like new again.
 
While out working dirt with my high speed tillage piece, called a “Terradisc “, it suddenly became unhooked from the tractor. The extendable links on the tractor’s 3 point hitch arms actually came right off.i looked at the hitch, nothing seemed a miss, latch locks were closed. I opened the locks, put the links back together and hooked up and went back to work. Short time later, one side disconnected again, when I got off to investigate I found the latch had come open by itself, and the link came free. So I thought I’d wire them down, but apparently due to the very irregular shape of the hitch arms, it wasn’t possible to get the wire tight enough to hold the latch closed. So I improvised a clamp, using some threaded rod and scrap steel. Worked 70 acres with this rigging, no more problems. Looks a bit crude but works.
Good job.
Nothing like a good farmer fix.
 
On my brother's CIH 3230 with the extendable lower lift links the part that slides in and out with the ball on it has a slot in the center and there is a cross pin in the lower link that goes through the slot so if the latch unlatches it will only extend until it hits the pin. Your CIH Magnum is much larger tractor with larger lower lift links surprised it doesn't have the same design for safety reasons.
Good thing the Quick Couplers worked as designed and nothing was broken.
How do you like Terradisc ?


1716815774589.png
 
On my brother's CIH 3230 with the extendable lower lift links the part that slides in and out with the ball on it has a slot in the center and there is a cross pin in the lower link that goes through the slot so if the latch unlatches it will only extend until it hits the pin. Your CIH Magnum is much larger tractor with larger lower lift links surprised it doesn't have the same design for safety reasons.
Good thing the Quick Couplers worked as designed and nothing was broken.
How do you like Terradisc ?


View attachment 72661
Terradisc does a great job of mulching up corn stalks and will leave a decent seed bed. This field had once pass after the combine last fall, and this is the first pass this spring
 

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While out working dirt with my high speed tillage piece, called a “Terradisc “, it suddenly became unhooked from the tractor. The extendable links on the tractor’s 3 point hitch arms actually came right off.i looked at the hitch, nothing seemed a miss, latch locks were closed. I opened the locks, put the links back together and hooked up and went back to work. Short time later, one side disconnected again, when I got off to investigate I found the latch had come open by itself, and the link came free. So I thought I’d wire them down, but apparently due to the very irregular shape of the hitch arms, it wasn’t possible to get the wire tight enough to hold the latch closed. So I improvised a clamp, using some threaded rod and scrap steel. Worked 70 acres with this rigging, no more problems. Looks a bit crude but works.
When getting it fixed for real, under cutting the notch and latch. This means they want to stay hooked rather than just square. Fast hitch systems also had that issue after 400 hours or more and both the prongs and latch needed help (or new latches and repaired prongs. Jim
 
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