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Topic: Landini Powerfarm 105 High Clearance PTO engagement issue
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featherstone

12-02-2015 08:00:00
208.74.245.44
23959



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The vegetable farm I work on owns a Landini Powerfarm 105 HC for all sorts of field prep and harvest work. We also have the nearly identical McCormick high clearance unit (from what I understand same manufacturer, just colored red) We have had recurrent issues with the PTO and three-point draft control on both tractors.

PTO has an engagement lever to the left of the seat and a PTO clutch lever by the steering wheel. We engage the seat lever and then raise the clutch lever which makes the PTO turn. Increasingly this year the engagement lever would pop out of gear once we started to do actual work with the PTO. For example, when rototilling all goes well until the rototiller is lowered into the earth and then the engagement lever pops forward and out of gear. We have tried using wire to secure the lever and prevent it from popping forward with success some of the time, but this doesn't seem like it should be necessary. We also tried removing the linkage arm from the engagement lever, lengthening it slightly and seeing if that would engage it further, which worked at first, but no longer.

The three-point issue is one of implements jittering/bouncing around when the implement is raised/being raised. Since some of our equipment has humans as riders/on-board operators, this is highly unsafe. The bouncing at times is severe enough that the tractor driver is going for quite the wild ride. We have temporarily resolved the 3-point issue by disconnecting the draft control, but now the 3-point does not have the same range of lift.

Anybody have thoughts/experience? All help appreciated.

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featherstone

12-07-2015 12:19:16
208.74.245.44
23961



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Re: Landini Powerfarm 105 High Clearance PTO engagement issu in reply to featherstone, 12-02-2015 08:00:00  
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Yes, the actual gear box is popping out, another fellow on AgTalk also hypothesized it was a bad/bent shifter fork. I would say your guess of the lever being forced into gear is certainly plausible based on our setup here. We took it in to the dealer and are awaiting the diagnosis.

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In one of the 2 tractors, the dealer attempted to correct that very problem. They failed though and solved this by disconnecting the draft control on our McCormick unit, which was a functional solution. We tried to replicate the diconnection step on our Landini once it started acting up and it is not functional on it - the 3pt barely lifts off the ground now.

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495man

12-02-2015 15:46:40
24.137.107.69
23960



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Re: Landini Powerfarm 105 High Clearance PTO engagement issu in reply to featherstone, 12-02-2015 08:00:00  
So it's the actual PTO gear box that is popping out, not the PTO clutch lever. Sounds like bad/bent shifter fork. I am guessing off the top of my head the levers may have been forced into gear with the clutch engaged (those two lever affairs are not what the average operator/steering wheel holder can figure out)

Does the 3pt hold up with position control? May be a leak/by pass in the system so the draft control in constantly correcting itself.

I am thinking dealer service trip to solve both rather than easy one.

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