[AT] Jim Dandy Question

Bob McNitt nysports at frontiernet.net
Fri Sep 17 08:18:26 PDT 2010


  Thanks, Dave. Larry also steered me there.
Bob

On 9/17/2010 12:01 PM, David Rotigel wrote:
> This kit should work. See: http://tewarehouse.com/s.nl
> 	Dave
>
> On Sep 17, 2010, at 5:34 AM, Bob McNitt wrote:
>
>>   Larry - The Kohler in this one is the 14 hsp K321S one, if that tells
>> you anything.
>> Bob
>>
>> On 9/16/2010 8:40 PM, Larry Goss wrote:
>>> Right.  The fact that you told us that it's a Jim Dandy says a lot,
>>> Bob.  But there are at least five different engines that it could
>>> have.  Three of those are K-series Kohler's.  During major
>>> production times, each engine had its own specs on the carburetor,
>>> but right before Kohler announced they were making one last
>>> production run on the K-series, they simplified the carburetor
>>> specs and reduced the number of different ones.  Since the
>>> fundamental difference was the diameter of the venturi, changing
>>> the carburetor specs makes very little change in the operating
>>> characteristics.  You need to keep that in mind as you go forward
>>> on this tractor, because as parts become scarce, the OEM carburetor
>>> may not be available.  Last week, the word I got from Kohler was
>>> that neither the carburetor nor the rebuild kit for the engine I
>>> was working on were available.  I put on a long face, and a call
>>> was put in to the local warehouse.  It turned out that they had an
>>> OEM carburetor in sto!
>> ck, but had no rebuild kits -- take it or leave it.  I took it!
>>> In the meantime, I boiled out two carburetors, combined them into
>>> one usable one, and now have two carburetors to fit this engine --
>>> a used one, and a brand new one.
>>>
>>> Larry
>>>
>>> ----- Original Message -----
>>> From: Bob McNitt<nysports at frontiernet.net>
>>> Date: Thursday, September 16, 2010 18:07
>>> Subject: Re: [AT] Jim Dandy Question
>>> To: Antique tractor email discussion group<at at lists.antique-tractor.com
>>>>    Larry, from my somewhat limited experience working on old
>>>> tractors
>>>> (and some newer ones too) filthy carbs and old gas probably
>>>> cause more
>>>> starting and run problems than almost anything else. I should've
>>>> paid
>>>> more attention to keep the carb (and fuel line, tank, etc.)
>>>> clean on
>>>> that Kohler. But since it's stored at my MIL's place and HAD
>>>> been
>>>> starting&   running OK the few times I run each year, I didn't.
>>>> When a
>>>> problem arises, the old 20-20 hindsight suddenly kicks in. I've
>>>> also
>>>> noticed that usually the newer the tractor, the cheaper the
>>>> components,
>>>> and that includes the engines, etc.
>>>> Bob
>>>>
>>>> On 9/16/2010 5:03 PM, Larry Goss wrote:
>>>>> BTW, Someone on this thread mentioned they were working with a
>>>> Command engine -- 18 or 20 horse.  Be aware that the
>>>> carburetor on that engine has a tendency to gum up, refuses to
>>>> idle, finally gets to the point it will not run, etc.  It's
>>>> all caused by a kind of algae growth in the anti-Dieseling valve
>>>> on the carburetor.  The valve is held to the outside of the
>>>> carburetor with a couple of Phillips head screws.
>>>> Carefully take it off, clean the gum out of the plastic parts,
>>>> and it will run like new again.  The growth is time
>>>> dependent.  It appears to only be a problem in Command
>>>> engines that set for long periods.
>>>>> Larry
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>>
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