[atis] [AT] Troubleshooting no start

Cecil Bearden crbearden at copper.net
Mon Sep 25 20:21:41 PDT 2006


I would bet a six pack of shim stock that there is water in the carburetor 
bowl...

Cecil
----- Original Message ----- 
From: "Stuart Harner" <sharner at starband.net>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Monday, September 25, 2006 9:52 PM
Subject: Re: [atis] [AT] Troubleshooting no start


>
> Dean,
>
> I am no expert here, but since you have verified spark and air to the 
> cylinders, it would seem the missing part is fuel.
>
> You said that you have fuel to the carb. but is it getting into the 
> cylinders?  I would suspect that the carb gunked up and the idle jet is 
> plugged.  I have had this happen to my old WD.  In my case it meant a carb 
> kit and quick overhaul, but the carb had not been right for some time 
> before, so I was expecting it.  But I was surprised when one day it just 
> would not start.
>
> To verify this, I would put some gas in the intake somewhere to prime the 
> engine.  Some will balk at this, but a careful whiff of ether will 
> accomplish the same thing.  If either of these produce a start or at least 
> a sputter, you will know that there is no gas getting though the carb.
>
> Good luck, bet it is something simple, it usually is...
>
> Stuart
>
>
>
> ----- Original Message ----- 
> From: "Dean Vinson" <dean at vinsonfarm.net>
> To: "'Antique tractor email discussion group'" 
> <at at lists.antique-tractor.com>; "'Farmall/IHC mailing list'" 
> <farmall at lists.antique-tractor.com>
> Sent: Monday, September 25, 2006 8:49 PM
> Subject: [atis] [AT] Troubleshooting no start
>
>
>> Dadgummit.  Today was supposed to be the day I got the M Farmall warmed 
>> up
>> and changed the oil, but it won't start.  Not so much as a pop, and by 
>> now
>> I've run the battery down by tweaking various things and then trying to
>> start it again.
>>
>> Spark plugs were a bit sooty but I cleaned them all up and put them back 
>> in,
>> then one at a time took # 3 and 4 back out to watch for a spark while
>> cranking the engine.  Both looked okay, spark was there.  I didn't check 
>> # 1
>> or 2 but don't see why they'd be any different.
>>
>> Fuel shutoff valve is on and fuel is getting to the carburetor.  Air 
>> cleaner
>> is still a gunky mess but the tractor has always started pretty easily
>> before (during the month or two I've had it).  I disconnected the air 
>> pipe
>> from the carb and tried again, just to make sure plenty of air was 
>> getting
>> there, but it didn't change anything, still not so much as a sputter.
>>
>> The tractor last ran a week or two ago.  Since then I've replaced all the
>> wiring, so my initial thought was that I'd screwed something up.  But I
>> checked and re-checked it, and it all looks okay.  Good spark at the
>> generator A terminal when I polarized it.  Lights work and the ammeter 
>> shows
>> discharge when I turn them on.  Plenty of cranking power (at least a 
>> couple
>> of hours ago, before I ran it down). Contacts inside the distributor cap 
>> are
>> somewhat pitted but everything is dry and looks okay, and it ran before, 
>> and
>> the plugs are sparking.
>>
>> Any suggestions on how to troubleshoot this?  I'm at a loss as to what to
>> even look for next.
>>
>> Thanks!
>>
>> Dean Vinson
>> Dayton, Ohio
>> www.vinsonfarm.net
>>
>>
>>
>> _______________________________________________
>> AT mailing list
>> Remembering Our Friend Cecil Monson 11-4-2005
>> http://www.antique-tractor.com/mailman/listinfo/at
>>
>>
>
>
> _______________________________________________
> AT mailing list
> Remembering Our Friend Cecil Monson 11-4-2005
> http://www.antique-tractor.com/mailman/listinfo/at 




More information about the AT mailing list