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1455 Hydro Issue's?


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#1 Deerlope ONLINE  

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Posted August 26, 2014 - 08:41 AM

I rebuilt this tractor 3 years ago and it have been my tiller tractor. Here it the problem, with the engine not running I have no neutral position. The position  exist but I still cannot roll it freely. With the engine running just above idle speed if I push the hydro pedal slightly I hear gears grinding. If I bring the RPM's up a little higher and push the pedal quickly I will stall the engine. What say anyone in here as to what the problem is?


Edited by Deerlope, August 26, 2014 - 08:42 AM.


#2 EricFromPa ONLINE  

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Posted August 26, 2014 - 11:16 AM

Does it have the same rear as the 1250?

 

The old beat up 1250 I had here for a bit had a problem with the linkage on the Parking/neutral position leaver.I had to take the fender pan off and straighten and adjust the linkage.

 

Don't push the hydro pedal once it's in Park.It engages the Parking Paw but does not Disengage the Hydro Pump.It will Stall the engine out if you try.

 

I would say that it is stuck between Neutral and Park.

 

I would take the fender pan off and see about adjusting the linkage and look for worn bushings in the linkage.The rod that goes into the tranny could also be partly stuck.A bit of PB Blaster and work it in and out usually fixes the sticking shift rod. 


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#3 Deerlope ONLINE  

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Posted August 26, 2014 - 11:36 AM

It is basically the same  hydro and rear end except  that the rear end is gear lower for the 1250. I will give it a try what you said. Thanks.


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#4 EricFromPa ONLINE  

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Posted August 26, 2014 - 02:54 PM

There were 2 other people that had problems with that leaver.1 ended up being that the Fender pan holes were Egged out and it was sitting to far forward and held the leaver from going Back the whole way and the other was because the Rod got stuck in the tranny.

 

Mine had bent linkage.Took it off and straightened it the best I could and put it back in and adjusted the Nut till the Shift Rod went the whole way In and Out.

 

 

bolens.jpg


Edited by EricFromPa, August 26, 2014 - 02:56 PM.

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#5 Deerlope ONLINE  

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Posted August 26, 2014 - 06:37 PM

 The pin you are showing in your drawing to lube is for operating the neutral safety switch and has nothing to do with the parking pawl.


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#6 Rock farmer OFFLINE  

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Posted August 26, 2014 - 06:52 PM

I was just noticing that that rod appears to be bent on my HT 23.
But, not on my HT 20. Neither tractors is running yet. So, I'll have to see what the problem may be!

Joe

#7 EricFromPa ONLINE  

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Posted August 27, 2014 - 10:04 AM

 The pin you are showing in your drawing to lube is for operating the neutral safety switch and has nothing to do with the parking pawl.

 

:wallbanging: :wallbanging: :wallbanging:

 

Thanks Deerlope :rolling:

 

it's been a few years since I've had to find the adjustment in the manual.

 

I didn't use the manual.It's pretty clear what you have to do once you get the fender pan off.Just find the Parking Paw/Pin and follow it up to the leaver.

 

Manual is Not very clear on What connects to What but I was pretty close :rolling: The parking pin/paw is Just below the pump On the Hydro Foot pedal side.

 

 

Untitled444.jpg Untitled4567.jpg


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#8 Deerlope ONLINE  

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Posted August 27, 2014 - 12:54 PM

 I have disconnected the rod that pushes or pulls that parking pawl and it works freely. I have the tractor on my hoist and have the rear wheels elevated. They turn freely, now I will lower the rear to see if I can now roll the tractor freely. I will post the results later, but it may not be for a few days as we are getting some really warm and humid days here.



#9 EricFromPa ONLINE  

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Posted August 27, 2014 - 01:03 PM

Sweet.Hope it's just a something simple and not something internal.



#10 Husky OFFLINE  

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Posted August 27, 2014 - 05:10 PM

Wow now that would be quite an easy fix and  a relief fingers crossed.



#11 Deerlope ONLINE  

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Posted September 07, 2014 - 10:59 AM

I finished this work a week or so ago but forgot to put the answer in print. After 3 or 4 days in the shop off and on I took it apart and found nothing too be wrong, broken, or out of place. I put a new shaft seal in the hydro and new "O" rings on the fined cover. In putting everything back together I found the spline shaft for the brake to be really worn badly and the brake disc even more. This I believe was the whole problem. The disc being worn so much that it let it go at a very bad angle and could have been causing binding. After reassemble I tried it out and all was OK. Don't anyone say it but I feel pretty dumb.


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#12 sodisr OFFLINE  

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Posted September 08, 2014 - 09:07 AM

Just glad you got it  there  Deer...  Nothing dumb about it .... It can be complicated in your'e head,, but visually it looks simple..

 

Sometimes I need visuals to understand how things work..



#13 Deerlope ONLINE  

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Posted September 08, 2014 - 01:15 PM

When someday down the road all these tractors have to go the 1455 will be the last to leave. I really like the sound of that big ole 14 HP Wisconsin.



#14 Husky OFFLINE  

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Posted September 09, 2014 - 11:13 AM

When someday down the road all these tractors have to go the 1455 will be the last to leave. I really like the sound of that big ole 14 HP Wisconsin.

Those big 14HP Wisconsin do have such a great sound and feel to them. I hope that you have many more good years of tractor'in to go. 






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