Mahindra 2816 pto speed fluctuating

   / Mahindra 2816 pto speed fluctuating #1  

VroomVroom

Veteran Member
Joined
Apr 30, 2010
Messages
1,093
Location
Newfoundland
Tractor
Mahindra 2816 HST, Super M farmall, J5 bombardier, 230 timber jack skidder
I could hear almost like gears just trying to mesh or what sounds like a marble bouncing around inside the rear of the tractor for lack of better description. I adjusted the clutch. All seems ok. When I engaged the pto lever it came back so I watched the pto shaft and noticed it slowed down almost as if it was going to stop but sped up again. Any ideas? Are these two stage clothes? Dealer said it痴 a single stage clutch
 
   / Mahindra 2816 pto speed fluctuating
  • Thread Starter
#2  
It’s a hst model
 
   / Mahindra 2816 pto speed fluctuating #3  
Do you have a service manual for that tractor?

I think it may have a overrun clutch built in and it might be giving up the ghost.
 
   / Mahindra 2816 pto speed fluctuating
  • Thread Starter
#4  
Do you have a service manual for that tractor?

I think it may have a overrun clutch built in and it might be giving up the ghost.

Yes he said it has a built in over running clutch. What do you mean giving up the ghost
 
   / Mahindra 2816 pto speed fluctuating #5  
I'm trying to say that it might be broken, but this is pure speculation.

You can so a simple test though. With the engine OFF, put the PTO in gear and try rotate it by hand. It should spin freely to one direction and not spin to the other direction.
 
   / Mahindra 2816 pto speed fluctuating
  • Thread Starter
#6  
You figure it’s giving out? He said it might be that it wasn’t used enough and that a few parts on these overrun clutches might be seizing. Any idea how they work? When I get back home I might put the snowblower on it and run it a while. He said try putting s load on it
 
   / Mahindra 2816 pto speed fluctuating #7  
That kinda makes sense. Basically a overrun clutch works like a rear sprocket on a bicycle. If you try to pedal it, it engages and translates the power to the wheel. If you stop pedaling it, it just free wheels.

The clutch has a bunch of spring loaded wedged that press against an hub in one direction of rotation. On the other direction of rotation, the hub collapses the wedges and just spins freely.

If not used much, I suppose the wedges could stick, but I believe those are under oil bath anyway.

Try run it with the snowblower to see what it does.
 
   / Mahindra 2816 pto speed fluctuating
  • Thread Starter
#8  
That kinda makes sense. Basically a overrun clutch works like a rear sprocket on a bicycle. If you try to pedal it, it engages and translates the power to the wheel. If you stop pedaling it, it just free wheels.

The clutch has a bunch of spring loaded wedged that press against an hub in one direction of rotation. On the other direction of rotation, the hub collapses the wedges and just spins freely.

If not used much, I suppose the wedges could stick, but I believe those are under oil bath anyway.

Try run it with the snowblower to see what it does.

Ok. I will try it with the engine off to see. I will alsol load it up a little with the snowblower. If it seem ok I might let it run a while. Even if it is sticking though, the drop in pto rpm and then speed back up I don稚 get. Engine ran the same. I willl be home Saturday
 
   / Mahindra 2816 pto speed fluctuating
  • Thread Starter
#9  
Ok. I will try it with the engine off to see. I will alsol load it up a little with the snowblower. If it seem ok I might let it run a while. Even if it is sticking though, the drop in pto rpm and then speed back up I don稚 get. Engine ran the same. I willl be home Saturday

Sitting here 500 miles from the tractor got me thinking? Could it be the lever linkages preventing the pto overrunning clutch from being fully engaged? Guess I?m grasping at a better solution than tearing into the tractor. Also, not quite getting how a load can loosen up the over running clutch. But I am eager to try it once home. I?d imagine, engaging and disengaging the pto with a load attached would work the assembly more so.
 
   / Mahindra 2816 pto speed fluctuating #10  
Sitting here 500 miles from the tractor got me thinking? Could it be the lever linkages preventing the pto overrunning clutch from being fully engaged? Guess I?m grasping at a better solution than tearing into the tractor. Also, not quite getting how a load can loosen up the over running clutch. But I am eager to try it once home. I?d imagine, engaging and disengaging the pto with a load attached would work the assembly more so.

There is nothing externally attached to the overrun clutch.

The PTO lever will only slide a collar in/out of mesh with the other gears to engage/disengage the PTO.

I was trying hard to find a manual for that tractor, so I could see how the overrun clutch is setup.
 
   / Mahindra 2816 pto speed fluctuating
  • Thread Starter
#11  
There is nothing externally attached to the overrun clutch.

The PTO lever will only slide a collar in/out of mesh with the other gears to engage/disengage the PTO.

I was trying hard to find a manual for that tractor, so I could see how the overrun clutch is setup.

Yes. Thanks. I would like to see something but the model was made only two years or so and it seems difficult to find anything. I did see a YouTube video with a guy adjusting that sleeve you mentioned that slides back and fourth to engage/disengage the pto. Watching that it can be see how it is possible that could be out of adjustment etc. I am not sure but would not moving the linkages affect how much that sleeve travels to engage the overrunning clutch.? When I saw the slow down in pto speed then I became more concerned. The only thing I got to put on the pto for load at the moment is a snowblower. I was going to get a post hole digger for an important job but now I am holding off until I can find out what this issue is. The pto was used very little on this tractor but I was suspecting within a year I would need it a lot.
 
   / Mahindra 2816 pto speed fluctuating #12  
Try it first when you have a chance and then let us know how it goes.

Unfortunately, my participation on this forum will be very limited from now on. Turns out that due to new compliance regulations for visitors from the European Union, I'm no longer able to login in this forum, unless I'm using a VPN like I'm doing now.

I'll still poke every once in a while to see if you solved the issue.
 
   / Mahindra 2816 pto speed fluctuating
  • Thread Starter
#13  
I have a video of the sound. Just can’t seem to upload it
 
   / Mahindra 2816 pto speed fluctuating #14  
Not sure if you can post the video directly on the forum. You may have to upload to Youtube and then post the link here. On Youtube, you can set the video as public, non listed or private. In private, no one but you can watch the video. The other two works good.
 
   / Mahindra 2816 pto speed fluctuating #15  
Unfortunately, my participation on this forum will be very limited from now on. Turns out that due to new compliance regulations for visitors from the European Union, I'm no longer able to login in this forum, unless I'm using a VPN like I'm doing now.

I'll still poke every once in a while to see if you solved the issue.

Not to derail this thread but what is this all about? Never heard of such a thing!
 
   / Mahindra 2816 pto speed fluctuating
  • Thread Starter
#16  
Not sure if you can post the video directly on the forum. You may have to upload to Youtube and then post the link here. On Youtube, you can set the video as public, non listed or private. In private, no one but you can watch the video. The other two works good.

Yes. Tried logging in to an old YouTube account. Managed to remember all the passwords but could see no where to allow me to upload. So I went to the video on my phone and tried uploading to YouTube from there. But it痴 saying google account has been temporarily disabled. I壇 like for someone to hear it. Hopefully later today or early tomorrow morning I値l get a chance to look at the tractor
 
   / Mahindra 2816 pto speed fluctuating #17  
Not to derail this thread but what is this all about? Never heard of such a thing!

European Union come up with some data and privacy protection law in 2018. Every since they implemented that, I could access Kubota USA website, HomeDepot, TractorSupply, and a lot more other websites. Mainly, because those websites didn't comply with whatever standards European Union wants to.

This wasn't a big deal to me, except, earlier this week, I had to re-login on TBN and I couldn't. I reached over to Muhammad on the Welding forum and this is what he told me:

"The issue is related to new compliance regulations for visitors from the European Union that are going into effect on September 30, but we implemented compliance yesterday. Unfortunately complying with the regulations are causing our websites to break for European visitors.

We will look into a resolution but it's possible that these regulations will make it impossible for Europeans to post for quite some time. I wish I had a better answer but this is the reality of the situation right now."

Turns out, it's now affecting TBN too, at least temporarily. Along with me, several other people had emailed him with the same issue.

I did found a work around to it, that was using a VPN to login and stayed login. After that, I can access TBN without VPN as long as I'm logged in. Otherwise I can't login and I have to use a VPN to login again.

VroomVroom said:
Yes. Tried logging in to an old YouTube account. Managed to remember all the passwords but could see no where to allow me to upload. So I went to the video on my phone and tried uploading to YouTube from there. But it痴 saying google account has been temporarily disabled. I壇 like for someone to hear it. Hopefully later today or early tomorrow morning I値l get a chance to look at the tractor

Sorry for the off topic Vroom. I would like to ear too but Youtube is making it hard.
 
   / Mahindra 2816 pto speed fluctuating #18  
Yes sorry for the off topic Vroom. Curiosity got the best of me.

I hope you can get the video posted as well.
 
   / Mahindra 2816 pto speed fluctuating
  • Thread Starter
#19  
Yes sorry for the off topic Vroom. Curiosity got the best of me.

I hope you can get the video posted as well.

I just tried again but it says google temporarily disabled this app or account. I can send it by an email . Hoping I can get out tomorrow just for quick look at the linkage for the pto handle /clutch engagement.
 
   / Mahindra 2816 pto speed fluctuating
  • Thread Starter
#20  
Very few hours running attachments on this pto. Dealers mechanic highly doubtful it could be the pto internal over running clutch. I really only ran a snowblower off of it for one winter And it was a small area and I clutched the attachment in slow each time. If lack of use could be a culprit I壇 suspect that a lot more than use or abuse.
 

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