Re: (ET) drive motor spins, but tractor won't budge

[David Brandt <ev_dave13 yahoo com>]

I know it isn't much comfort if the tranny is broken, but the forum has the peerless transmission manual available for download, and Jim Coate and Harold Zimmerman both have parts.  So do I, for that matter.

 

David Brandt

From: Michael S Briggs <msbriggs alberti unh edu>
To: RJ Kanary <rjkanary consolidated net>
Cc: et <Elec-trak cosmos phy tufts edu>
Sent: Monday, June 25, 2012 11:07 AM
Subject: Re: (ET) drive motor spins, but tractor won't budge

Thanks RJ. Assuming this thunderstorm passes, I'll look this afternoon to see if the axle is turning inside the hub. Actually - wouldn't both hubs need to be loose for the tractor to stop driving? From your description, it seems like if one hub is loose (should be effectively like having no traction), then the other wheel should get all the torque.
    RDI might be difficult since I have no idea what to look for in a transmission for a possible problem. :) I don't suppose there's a nice "how to" guide somewhere on the web, eh?
    Or maybe the homeowner's manual has something in there about this....

Thanks,
Mike


--
--------------------------------------------------------------
Michael S. Briggs, PhD
UNH Physics Department
(603) 862-2828
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On Mon, 25 Jun 2012, RJ Kanary wrote:

>      The answer to your last question  Mike,is Yes. Since the 2300 contains an open differential, both wheels have torque available, until one wheel loses traction. Then the spinning wheel gets it all.If a hub is loose, one should be able to observe the axle turning inside the hub.If that is not the case it's RDI time.
>
> R emove.
> D isassemble.
> I nspect.
>
> RJ
>
>
> On 6/25/2012 10:38 AM, Michael S Briggs wrote:
>>
>>
>> On Sun, 24 Jun 2012, John J Casey wrote:
>>
>>> Not to put too fine a point on it, each pulley has a set-screw in its
>> hub.
>>>  If either is loose you go nowhere. Jack
>>>
>>
>> I looked while the tractor was in gear and the motor spinning (making sure I wouldn't get my head crushed if it actually moved). Both pulleys are spinning, and the metal disk on the opposite side of the transmission is also spinning. The fact that the second pulley (the one not connected to the motor itself) is spinning should indicate that the belts are fine.
>>    Since the thing on the other side of the transmission is spinning, I assume that means the pulley on the tranny is fine (and the one on the motor should be fine since it's spinning).
>>    So, does that only leave the possible problems as loose hub and dead transmission?
>>    Are both rear wheels powered on these tractors, or only one?
>>
>> Thanks,
>> Mike
>>
>>
>>
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>

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