TC40DA WONT GO INTO GEAR

[ghost777]

I AM NEW TO FORUM. I HAVE A TC40DA THAT MY DAD WAS USING, I DON'T KNOW WHAT HE DID BUT TRACTOR WILL NOT GO INTO GEAR, IT GRINDS WHEN YOU TRY. THE HST PEDALS DON'T FEEL RIGHT, BUT I CANT FIND ANYTHING OBVIOUS. EVERYTHING ELSE WORKS, ANY HELP WOULD BE GREATLY APPRECIATED.

MY TC40 WILL NOT GO INTO GEAR, FWD OR REV. IT HAS HST. THE HST PEDALS DON'T SEEM RIGHT BUT WHEN I ATTEMPT TO PUT INTO GEAR IT JUST GRINDS. WITH THE ENGINE OFF I CAN PUT INTO GEAR NO PROBLEM. ANY SUGGESTIONS?

 

[dynasim]

Your hst pedals are stuck, or off center. Was it sudden? Could you have broken or bent part of the linkage.

The hst always runs, and the shifting mechanism relies on the HST output to not turn to engage the gear.

Chris

 

[ghost777]

I think you are right. I believe it happened all of the sudden. My 80 year old father was using it on some brush and came walking back. His explanation is that he doesn't know what happened. He usually babys the machine which in turn is hard on it because he operates at such low rpms, I know this can be hard on it, lugging it. I couldn't tell if pedals are bent, they seem stuck. I will look at it today and try to figure it out, i don't want to have to take it in, or the dealerr to pick it up. thank you for your reply, i will check on it.

 

[jinman]

It is normal to have the gear lever not go into gear and have to slightly press the forward or reverse pedal to allow shifting. All it takes is a very light touch on the pedal, not much more than laying your foot onto it. Try one pedal and then try the other. One of them will work and then you know which is slightly out of adjustment.

BTW: The gear lever you are moving "forward and reverse" is changing from low range to high range. It is not part of the HST transmission, but rather a gear transmission behind the HST. As Chris indicated, your HST pedals have to be at physical neutral or the input shaft to the gear part of the transmission will be turning. Since the TC40D does not have a clutch, you have to put the pedals at a neutral position to get the tractor to shift.

 

[dfkrug]

Re: TC40DA HST GEAR PROBLEM.

It sounds like the HST control is not in the neutral position, so the output
shft is turning. Does the TC40 have a foot clutch? If so, are you disengaging
the clutch?

You can try pushing the FWD or REV pedals slightly while trying to engage
the gearbox.

 

[jinman]

I think you are right. I believe it happened all of the sudden. My 80 year old father was using it on some brush and came walking back. His explanation is that he doesn't know what happened. He usually babys the machine which in turn is hard on it because he operates at such low rpms, I know this can be hard on it, lugging it. I couldn't tell if pedals are bent, they seem stuck. I will look at it today and try to figure it out, i don't want to have to take it in, or the dealerr to pick it up. thank you for your reply, i will check on it.

I guess I was posting yesterday and did not notice this post by you before I posted my comments. Here is a link to a possible problem that could cause your symptoms. I thought New Holland had cured this problem on newer tractors like yours, but yours could be an exception. To find the problem, you need to crawl under the right operator's platform and look up at the pedals and the mechanism that moves with them. If this is the problem, it wasn't your father's fault at all. I really hope this isn't your problem, but the symptoms have me wondering.

HST Pedal Problem

 

[JC-jetro]

Jim,

I was going to dive in to you "HST Pedal issue" thread for some learning opportunity. Unfortunately some of the picture links are gone. Did you post them on TBN here or another picture posting site?

Thanks,
JC,

 

[jinman]

JC, I just went through that entire thread (11 pages) and all my attachments were fine. None of the inline images work including the old emoticons (smilies). I posted everything as an attachment. If there is something you can't see that you'll tell me about, I'll post the picture. I never throw anything away.

 

[JC-jetro]

JC, I just went through that entire thread (11 pages) and all my attachments were fine. None of the inline images work including the old emoticons (smilies). I posted everything as an attachment. If there is something you can't see that you'll tell me about, I'll post the picture. I never throw anything away.

Jim,

I'm a pack rat myself. My kids give me that look when I give them a bit of lecture about not wasting resources and they are like ...oh god, there goes dad again. Thanks for all the work, I'll read the whole thread tomorrow. I'm looking forward to some "Gooood reading"

JC,

 

[JC-jetro]

Jim,

I read your post and I could not imagine any less effort from you after reading most of your posts in the last several years. There were much " engineer bashing" that was due indeed. NH has probably done some so called "Value Engineering" to bring the overall cost down. NH engineering statistically convinced themselves that a spot weld on one side of the bracket might have saved them $3 with an 10% overall failure rate. The bad part is they do not at all take in to considerations that repair might be simple but all the time and effort it takes to get to the defective part to repair. At any rate, I think in general older machines were built just simpler and tougher in the past and the fancier you get the more chance there is for omissions. Some colors might be better in some areas but overall they all have some issues. I'm pretty inquisitive fellow and even with my limited tractor involvement I always take the opportunity to study my little 1700 and I'm really impressed on how they engineer it with enough form and function. It appears to me they have engineered it well for maintenance as well as function.

I even could not spell " inginer a few years ago, but now I are one"

I would have designed a continuous weld around the shaft on both side of the bracket.

JC,