[AJD] 1950 A surging at idle

Dee Schuyler web22hsz at verizon.net
Tue Jan 4 14:49:20 PST 2005


Chris,
The second Carb tape is by far the best,
Dee
----- Original Message ----- 
From: "Chris C" <jdnutinwa at yahoo.com>
To: "Antique John Deere mailing list" 
<antique-johndeere at lists.antique-tractor.com>
Sent: Tuesday, January 04, 2005 12:47 PM
Subject: Re: [AJD] 1950 A surging at idle


> Thanks for the info Dee.   I will get the club's
> Robert's tape on carb rebuilding and watch it closely.
> I hope it isn't the govenor,  It's always twice as
> expensive for me to work on a gov. as I have to break
> so many things in the process..  The tractor never
> surged like this before according to my uncle who ran
> it most of the time.   Of course,  it did sit stuck in
> the barn for 15 years or so and managed to get a crack
> in one cylinder that was never there either in that
> amount of time...
>
>                  Chris
> --- Dee Schuyler <web22hsz at verizon.net> wrote:
>
>> Chris make sure you find all the passages there is
>> one that I think Robert
>> refers to as the hidden one in the nozzle area that
>> most everybody misses?
>> Not sure if your carb has that one or not? But it is
>> a possibility it  was
>> missed . Another possibility would be govenor slop,
>> not in the linkage as
>> you checked that , but inside, where it can get
>> expensive! YMMV
>> Dee
>> ----- Original Message ----- 
>> From: "Chris C" <jdnutinwa at yahoo.com>
>> To: "Antique John Deere mailing list"
>> <antique-johndeere at lists.antique-tractor.com>
>> Sent: Tuesday, January 04, 2005 8:06 AM
>> Subject: RE: [AJD] 1950 A surging at idle
>>
>>
>> > Lou,
>> >
>> >    Thanks for the info.  I think  I am going to
>> order
>> > up a set of drill bits and tear the whole thing
>> down
>> > again and do it over.   I have not checked to see
>> how
>> > the throttle disc fits,  so I will be sure to look
>> at
>> > that.   It has all new throttle and choke shafts
>> and
>> > bushings.
>> >
>> >     I'm pretty sure that it is acting up as I am
>> > considering putting more money into it i.e. new
>> rear
>> > tires and maybe some paint..  SInce this was my
>> > grandfather's tractor,  it knows it can do nothing
>> but
>> > cost me money and I won't sell it.   The other 4
>> A's
>> > have been getting more attention lately..
>> >
>> >     I'm going to take it out and pull some logs
>> out
>> > with it today.  I'll let it pull a few past my AC
>> > dozer and see if that cheer's it up...
>> >
>> >                   Chris
>> > --- Louis <louis at kellnet.com> wrote:
>> >
>> >> Try this site.
>> >> http://www.robertscarbrepair.com/tip1.htm  You
>> also
>> >> want to look at your throttle disk. If it is worn
>> at
>> >> the top, it allows
>> >> air to leak and result in a rough idle.  Also,
>> check
>> >> your throttle shaft
>> >> and bushing there should not be any slop, but
>> they
>> >> shouldn't bind.  The
>> >> next thing to look at; by the throttle disk in
>> the
>> >> carb housing, there
>> >> are one or two small holes, depending on what
>> carb
>> >> you have.  You need
>> >> some real fine wire(I use wire from my wire feed
>> >> welder), take and poke
>> >> that wire into the holes.  Those are some of your
>> >> idle passages.  Before
>> >> you put the brass plugs back in, take your air
>> gun
>> >> (wand) and blow out
>> >> all of the passages, after you drill and poke.
>> You
>> >> should also pull the
>> >> nozzle and clean that all up.  I realize that
>> really
>> >> isn't suppose to
>> >> affect the idle, but it all works together. Also,
>> >> make sure your vent
>> >> passage is clear.
>> >>
>> >> If you want, you can send the carb to me, and I
>> will
>> >> take a look at it.
>> >>
>> >>
>> >> Lou
>> >>
>> >> Spiegelberg Restoration and Service, LTD.
>> >> 440-965-7679
>> >>
>> >> mailto:sales at srstractor.com
>> >>
>> >> http://www.srstractor.com
>> >>
>> >>
>> >>
>> >>
>> >> -----Original Message-----
>> >> From:
>> >>
>> antique-johndeere-bounces at lists.antique-tractor.com
>> >>
>> >
>>
> [mailto:antique-johndeere-bounces at lists.antique-tractor.com]
>> >> On Behalf
>> >> Of Chris C
>> >> Sent: Monday, January 03, 2005 7:13 PM
>> >> To: Antique John Deere mailing list
>> >> Subject: Re: [AJD] 1950 A surging at idle
>> >>
>> >>
>> >> Duane,
>> >>
>> >>      I did pull all the plugs.  It has not been
>> >> drilled out since I had a carb shop work on it
>> about
>> >> 5
>> >> years ago.  I did run tip cleaners through all
>> the
>> >> passages and orafices..
>> >>
>> >>                       Chris
>> >> --- Duane Larson <jdlarson at comcast.net> wrote:
>> >>
>> >> > Chris,
>> >> > Sounds like you still have an obstruction in
>> the
>> >> > idle passage somewhere in
>> >> > your carb.  Did you remove all the brass plugs
>> and
>> >> > physically clean all the
>> >> > passages?  Carb cleaner will not get the job
>> done.
>> >> > Duane Larson
>> >> >
>> >> > ----- Original Message -----
>> >> > From: "Chris C" <jdnutinwa at yahoo.com>
>> >> > To: "ATIS LIST"
>> >> > <antique-johndeere at lists.antique-tractor.com>
>> >> > Sent: Monday, January 03, 2005 6:04 PM
>> >> > Subject: [AJD] 1950 A surging at idle
>> >> >
>> >> >
>> >> > >
>> >> > >
>> >> > >   Ok,  my love hate relationship A has an
>> >> ongoing
>> >> > > problem that I am going to try and figure out
>> >> now.
>> >> > >
>> >> > >    At idle,  it will not run smoothly without
>> >> > about
>> >> > > 1/2 choke.   I have been told that It could
>> be a
>> >> > leak
>> >> > > around the manifold, so I checked that,  It's
>> >> not.
>> >> >   I
>> >> > > have also been told to check the adjustment
>> of
>> >> the
>> >> > rod
>> >> > > from the govenor to the carb.  I played with
>> >> that
>> >> > > yesturday and could make it a little better,
>> >> but
>> >> > not
>> >> > > cure it.
>> >> > >
>> >> > >    What else shoud I be looking for?  I just
>> >> took
>> >> > that
>> >> > > carb apart and re-cleaned it.  I took my Ebay
>> >> > zinqer
>> >> > > magneto off and put a distributor on it.
>> >> > ("rebuilt"
>> >> > > Mag bought from trusted seller on Ebay,  5
>> hours
>> >> > > running time in 2 years.. bad bearings in the
>> >> > mag..
>> >> > > grrrr...It sure looks nice though..)
>> >> > >
>> >> > >          Thanks for the help!
>> >> > >
>> >> > >                Chris
>> >> > >
>> >> > >
>> >> > >
>> >> > > __________________________________
>> >> > > Do you Yahoo!?
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>> _______________________________________________
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