TC34DA -- PTO won't disengage

   / TC34DA -- PTO won't disengage
  • Thread Starter
#11  
Home late again. Beautiful full moon last night as I was leaving the property, but overcast tonight. I worked until everything was the same shade of dark gray.

Thanks for all your help and effort, Jim. Your similar story is encouraging. It means someday I might find myself more or less done. I'm an engineer by trade, left brained as they get, and really good at making plans. So I have do have a plan, and a very long list. It just seems, sometimes, to be taking so very long to move from point C to D to E. My only real regret is I waited until I was in my early 50s to do this. I've been dreaming about it since I was a teenager, but there was always something else I needed to do first.

I crawled under the tractor today, looking for how to adjust the clutch throw. I am pretty sure I figured it out, but am going to wait until my shop manual arrives to do any more fiddling. (I'm only a little bit chicken.) There is a full repair manual on eBay for $180 shipped. Is that a decent price?

In lieu of PTO/mower work, I have been digging saplings and briars and those retched Autumn Olive, working on some old stumps, and pushing over a few of those standing dead ash. I've found if the ash has been bark free for more than a year, the roots are often decomposed enough I can either push the thing right over, or dig around a bit with my tooth bar, pop a few roots, then push it on over. I was working today on one that was a bit on the larger side. But I had the "advantage" cuz I could come at it from the high side of the hill, get some leverage. Right?

I rode up to the tree, mindful of the dead branches 80 feet overhead, raised the bucket up the trunk, and cautiously nudged it while watching to root area (and those branches). There was some evidence of movement in those roots, so I pushed a bit harder. Yep, I think this one might be ready. But let's dig some of those roots first. Dig dig dig, nudge again, yes it's working. Yay! Dig dig some more, push again. Argh! Progress is slow. Darn. Maybe if I raise the bucket a bit higher, for a bit more leverage? Hey! That's helping. Except it's lifting my front tires off the ground. That's OK. Even more leverage, right?

Wrong. Too much pressure, I suppose. One of the curl hoses on my bucket burst. And not on the bottom side where it could soak the ground below with fluid. Oh no. It cracked open in a nice gash facing directly at the driver's seat. Sprayed fluid all over -- coated the hood, the loader arms, the console, and me. And of course the bucket flopped over, limp as a noodle. Now I have neither PTO nor loader. I felt... embarrassed, chagrined. Not the best weekend for a burst hose either. Tractor Supply had nothing, and the NAPA parts store that makes hoses to order was closed for Memorial Day.

Maybe I should go back to an axe and shovel, like Pa Ingalls.

~Allen
 
   / TC34DA -- PTO won't disengage #12  
You're describing one if the more dangerous things you can do with a tractor loader, and I'm not thinking of the hoses. I find its hard to see those dead branches breaking off and hurtling straight at you. And no time to get out of the way. Best find a different way to drop those dead ash.
If you clutch engages high, it probably is releasing, unless it's shedding its lining. Plus you say the PTO stops when the pedal is depressed, right? Is that with a load or with nothing in it?
Sorry about the hose. Everyone needs a weekend once in a while though.
Jim
 
   / TC34DA -- PTO won't disengage #13  
Trying to push a dead tree over (esp with dead limbs overhead) the way you were doing will HURT you at some point. Chain is a lot cheaper than Dr bills and a darn lot better than killing yourself. Run the chain away from the tree where you aren't in harms way no matter which way it falls. You can wrap it higher than your bucket will reach for even more leverage. (use a nylon string to throw a guide rope over the limb then pull the chain up and over and AWAY) Doing it this way you can pull downhill and get a little help from gravity too. (Hook chain to drawbar)
 
   / TC34DA -- PTO won't disengage
  • Thread Starter
#14  
The safest way I have of dropping them dead ash trees is with a chain saw. I understand this. Unfortunately, the chain saw method leaves behind an eyesore. I've hired a fella and his backhoe to dig probably 40 ash and cherry stumps, and probably 6 massive elm stumps (48in at chest height). I'd love to have me one o' them there backhoe loader gizmos, but haven't talked myself into it. Yet.

@mikim

My weak defense... I understand the folly of my method. And know I'm flirting with more than bad luck. Honestly I do. My only defense is this:

I'm don't do anything willy-nilly, haphazard. I really do try to pay attention.

When I attempt this on a large, dead ash tree, I only nudge, gently push. I certainly don't back up and ram. When I do this nudging, any movement up at canopy level is "minor," as if on a windy day (or so I say). And I'm constantly, repeatedly looking up. If, as I push, the tree begins to tip over, in the direction I am pushing, great; when that happens, almost immediately the overhead branches are no longer overhead. However, if the tree doesn't tip, then I gently, ever so gently back off ("windy day, windy day..."), so as not to impart any whiplash into those overhead, deadly branches.

The problem I see with the chain approach is twofold:
-- How can I possible guarantee that the tree I'm pulling over won't fall straight toward the tractor with which I'm tugging?
-- And if that is the case, how can I possibly avoid being crushed by an entire tree, unless I purchase a chain that is unaffordably long?

How do the pros do this? Is there such a thing as a Grade 43 cable? block & tackle?


@jimmysisson

I am not sure what "unless it's shedding its lining" means. (I am impressed you left off the apostrophe for the possessive, though. Was that an accident? So few grammar and spelling nuts left...) I've rebuilt a couple of engines in my life, so am not a complete novice, but the picture of a clutch I have in my head is the one my daddy described as he was teaching me to drive his '65 Beetle (at age 10) in 1970. I'm not really sure how accurate that picture is, or how well it maps to the NH TC34DA. I certainly don't know what "shedding its lining" refers to, exactly.

Yes, correct. When I depress the clutch pedal, the mower stops (or begins to slow, is no longer being driven). I do not know what happens at the output shaft when no load is connected. Is that something I should check?

And yes, a day without hydraulics, and sunshine, is like a day without... normalcy, or a sense of justice, or orange juice. It rained all day today, so I took advantage of the imposed opportunity and went shopping. To the mall. Gawd. I have not been to "the mall" in some time (a couple years?), but Macy's had a sale on sheets, and Eddie Bauer had a couple of belts that fit my slowly shrinking middle. So, no seat time today.

Tomorrow, I will find a replacement hose. But after a four day weekend, I am also going back to the job which pays for all of this. I may, or may not, find time to install that replacement hose. We shall see.

Sincere thanks to everyone for taking the time to respond.

~Allen
 
   / TC34DA -- PTO won't disengage #15  
Allen,

The dead branches above aren't the only problem. If you push on a dead tree and can't keep the pressure the same, and you usually cannot, it can develop whiplash in the trunk. If that trunk is weak enough from rot, it can snap at just about any height location, and you have no way of knowing if the snap moment is toward or away from you. That stuff is heavy and could easily kill you.

I would drop them with a chainsaw while wearing a good helmet.
 
   / TC34DA -- PTO won't disengage
  • Thread Starter
#16  
@dave

OK, that's one I hadn't thought of. Thanks for that. And all of these warnings (chastising?) make complete sense. I'll modify my wicked, reckless ways and stop pushing on dead trees. Guess I'm going to have to buy me a backhoe, huh?

~Allen
 
   / TC34DA -- PTO won't disengage #17  
By shedding its lining (yep, possessive) I mean the unlikely chance that the clutch driven disc is falling literally apart. Disintegrating friction material then still tries to drive the disk even when the pedal is depressed.
Haven't solved your drive train problem, but I hope you don't push on dead trees any more.
Jim
 
   / TC34DA -- PTO won't disengage #18  
@dave

OK, that's one I hadn't thought of. Thanks for that. And all of these warnings (chastising?) make complete sense. I'll modify my wicked, reckless ways and stop pushing on dead trees. Guess I'm going to have to buy me a backhoe, huh?

~Allen

Yes, please stay alive. :D I had a close call with tall, skinny, well-rotted birch tree, my tree pushing days are over. I agree, it looks so harmless. Once they start waving back and forth though, you are in the hands of fate because you can't get far enough away fast enough to do any good.

You can leave enough on the stump, like about 4', to push on. Once it is short, you are safe from the tree.
 
   / TC34DA -- PTO won't disengage
  • Thread Starter
#19  
No more dead trees. Promise.

Does anyone know what might be affecting my PTO drive train? I'm beginning to get desperate. There are no New Holland dealers near me, and I know nothing about those within a couple hour drive.

Thanks.
~Allen
 
   / TC34DA -- PTO won't disengage #20  
Nobody can be sure what is going on inside your transmission case. Some of us might be able to 'feel' something, but you just never know. Have you lubricated all pivot points in the engagement lever? I know from experience that my shift levers can become gummed up and very stiff. Anywhere there is a pivot or shaft with a bushing, you can get corrosion and binding.

Look at the diagram below for your tractor. Item #3 is the pivot shaft for all levers. You may need to remove your side console (bolts under the fender) and disassemble these levers and lube the pivot shaft. I tried to lube mine without removing the levers, but was never successful. This is another definite possibility of what could make your lever very stiff.

TC34DA-Levers.jpg
 

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