[AJD] 2 cyl diesel won't start

Dean Moore lazyminok at gmail.com
Tue Jun 12 18:37:16 PDT 2012


You need to check compression first before going any further 

Sent from my iPhone

On Jun 12, 2012, at 7:47 PM, Me <deanvp at att.net> wrote:

> Grasping at straws a bit. Is it possible water has gotten into the fuel  
> supply?
> 
> Connected by DROID on Verizon Wireless
> 
> -----Original message-----
> From: dhinds at stny.rr.com
> To: antique-johndeere at lists.antique-tractor.com
> Cc: antique-johndeere-request at lists.antique-tractor.com
> Sent: Wed, Jun 13, 2012 00:35:04 GMT+00:00
> Subject: Re: [AJD] 2 cyl diesel won't start
> 
> Hi:
> Have just read all the good advise to Kevin about spark, but hope someone  
> can
> give me some advise on a non-spark, a 720 JD DIESEL.
> Last summer I completed an overhaul of the engine, including valves, head  
> trued, inserts.  Had injectors checked out,
> relined fuel tank etc.  Started engine, after some trouble getting fuel  
> through the new filters.  Ran it for a couple 
> hours.  Retorqued head bolts, restarted engine, drained radiator and shut  
> down for winter.
> Have now completed remainder of restoration, reassembled parts I took off to  
> clean and paint.
> Now the tractor will not start.  
> This is a converted electric start so I am cranking it over with a 12 volt  
> system, using the decompression lever till oil
> pressure shows and when I drop the lever, the compression is evident.  Some  
> mist comes out the muffler, but the engine does not 
> fire.  Have good flow of fuel from transfer pump, and when I disconnect the  
> injector line from the high compression pumps, fuel 
> squirts out when I turn it over.
> What could be causing an engine that was running fine to refuse all my  
> efforts?
> Any suggestions welcomed.
> Duane Hinds Penna
> ---- antique-johndeere-request at lists.antique-tractor.com wrote: 
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>> Today's Topics:
>> 
>>   1. Magneto? (Tyler Juranek)
>>   2. Re: Magneto? (Lyle Kause)
>>   3. Re: Magneto? (Mike Scholl)
>>   4. Re: Magneto? (George)
>>   5. Re: Magneto? (Dean Moore)
>>   6. Re: Magneto? (John Nordhoff)
>> 
>> 
>> ----------------------------------------------------------------------
>> 
>> Message: 1
>> Date: Mon, 11 Jun 2012 11:29:39 -0500
>> From: Tyler Juranek <tylerpolkaman at gmail.com>
>> Subject: [AJD] Magneto?
>> To: antique-johndeere at lists.antique-tractor.com,    Antique tractor email
>>    discussion group <at at lists.antique-tractor.com>
>> Message-ID:
>>    <CAOesHmAogEHEcX+E8tG3jA94g7Sp1aCnCK-i7Gee6K2i_6N9Lw at mail.gmail.com>
>> Content-Type: text/plain; charset=ISO-8859-1
>> 
>> Hi everybody,
>> On any 2 cylinder John Deere that is a hand start, what is the best
>> way to test the magnetic field in the magneto?
>> If it makes more sense, I'm just wondering how to test the mag to find
>> out how much spark it has.
>> Any help will be most appreciated!
>> Thank you,
>> Tyler
>> 
>> -- 
>> Check out my youtube channel, and spread the word!
>> http://www.youtube.com/tylerthetechy/
>> 
>> 
>> ------------------------------
>> 
>> Message: 2
>> Date: Mon, 11 Jun 2012 12:27:25 -0600
>> From: "Lyle Kause" <lyle.kause at lexitar.ca>
>> Subject: Re: [AJD] Magneto?
>> To: "'Antique John Deere mailing list'"
>>    <antique-johndeere at lists.antique-tractor.com>
>> Message-ID: <000001cd47ff$da6a8920$8f3f9b60$@kause at lexitar.ca>
>> Content-Type: text/plain;    charset="us-ascii"
>> 
>> Tyler, My father (deceased now) was able to physically hang onto a spark
>> plug, or mag and tell me if it was a good spark or not. Needless to say  
> most
>> people cannot hang on to, or would even want to check for spark this way.  
> He
>> did say though, if you take a dry green blade of grass and slowly slide it
>> up on top of the spark plug until you start to feel pulses; The farther  
> away
>> you are from feeling pulses, the stronger your mag is. Sounds pretty crude
>> but is surprisingly accurate.  Lyle
>> 
>> -----Original Message-----
>> From: antique-johndeere-bounces at lists.antique-tractor.com
>> [mailto:antique-johndeere-bounces at lists.antique-tractor.com] On Behalf Of
>> Tyler Juranek
>> Sent: Monday, June 11, 2012 10:30 AM
>> To: antique-johndeere at lists.antique-tractor.com; Antique tractor email
>> discussion group
>> Subject: [AJD] Magneto?
>> 
>> Hi everybody,
>> On any 2 cylinder John Deere that is a hand start, what is the best way to
>> test the magnetic field in the magneto?
>> If it makes more sense, I'm just wondering how to test the mag to find out
>> how much spark it has.
>> Any help will be most appreciated!
>> Thank you,
>> Tyler
>> 
>> --
>> Check out my youtube channel, and spread the word!
>> http://www.youtube.com/tylerthetechy/
>> _______________________________________________
>> Antique-johndeere mailing list
>> http://www.antique-tractor.com/mailman/listinfo/antique-johndeere
>> 
>> 
>> 
>> 
>> ------------------------------
>> 
>> Message: 3
>> Date: Mon, 11 Jun 2012 14:15:13 -0500
>> From: Mike Scholl <buck69_hunter at hotmail.com>
>> Subject: Re: [AJD] Magneto?
>> To: "'Antique John Deere mailing list'"
>>    <antique-johndeere at lists.antique-tractor.com>
>> Message-ID: <BLU153-ds13600EFFB0894BA35E9AD390F70 at phx.gbl>
>> Content-Type: text/plain; charset="us-ascii"
>> 
>> Tyler,
>> 
>> I've always used a spare spark plug with the base grounded to test for
>> spark.  If it sparks, the motor should start provided there is good
>> air/gasoline mixture and that the spark is timed.
>> 
>> A number of things can go wrong besides the mag coil... the impulse is  
> also
>> critical.  At very low revolution speeds (like when starting), the impulse
>> provides for more internal magneto speed which generates a hotter spark.
>> 
>> Since there are a number of different mag options, which are we talking
>> about Wico C or X, or Fairbanks-Morse?
>> 
>> Mike  
>> 
>> -----Original Message-----
>> From: antique-johndeere-bounces at lists.antique-tractor.com
>> [mailto:antique-johndeere-bounces at lists.antique-tractor.com] On Behalf Of
>> Lyle Kause
>> Sent: Monday, June 11, 2012 1:27 PM
>> To: 'Antique John Deere mailing list'
>> Subject: Re: [AJD] Magneto?
>> 
>> Tyler, My father (deceased now) was able to physically hang onto a spark
>> plug, or mag and tell me if it was a good spark or not. Needless to say  
> most
>> people cannot hang on to, or would even want to check for spark this way.  
> He
>> did say though, if you take a dry green blade of grass and slowly slide it
>> up on top of the spark plug until you start to feel pulses; The farther  
> away
>> you are from feeling pulses, the stronger your mag is. Sounds pretty crude
>> but is surprisingly accurate.  Lyle
>> 
>> -----Original Message-----
>> From: antique-johndeere-bounces at lists.antique-tractor.com
>> [mailto:antique-johndeere-bounces at lists.antique-tractor.com] On Behalf Of
>> Tyler Juranek
>> Sent: Monday, June 11, 2012 10:30 AM
>> To: antique-johndeere at lists.antique-tractor.com; Antique tractor email
>> discussion group
>> Subject: [AJD] Magneto?
>> 
>> Hi everybody,
>> On any 2 cylinder John Deere that is a hand start, what is the best way to
>> test the magnetic field in the magneto?
>> If it makes more sense, I'm just wondering how to test the mag to find out
>> how much spark it has.
>> Any help will be most appreciated!
>> Thank you,
>> Tyler
>> 
>> --
>> Check out my youtube channel, and spread the word!
>> http://www.youtube.com/tylerthetechy/
>> _______________________________________________
>> Antique-johndeere mailing list
>> http://www.antique-tractor.com/mailman/listinfo/antique-johndeere
>> 
>> 
>> _______________________________________________
>> Antique-johndeere mailing list
>> http://www.antique-tractor.com/mailman/listinfo/antique-johndeere
>> 
>> 
>> 
>> ------------------------------
>> 
>> Message: 4
>> Date: Mon, 11 Jun 2012 14:36:29 -0500
>> From: George <jddt at cox.net>
>> Subject: Re: [AJD] Magneto?
>> To: Antique John Deere mailing list
>>    <antique-johndeere at lists.antique-tractor.com>
>> Message-ID: <taif8k4g9ghtxv9acvvkko34.1339443389226 at email.android.com>
>> Content-Type: text/plain; charset=utf-8
>> 
>> I saw your email.  I have found a spark tester for tractors.  It snaps on  
> the plug and the other end goes to the wire from the mag.  Then when you  
> turn the tractor over it lights when the mag fires.  I got them at a  
> traveling tool sale but do not remember the name of the company.  I know  
> they work well.  Can also tell how hot the spark is by how bright it fires.  
> Vrry handy.
>> 
>> Lyle Kause <lyle.kause at lexitar.ca> wrote:
>> 
>>> Tyler, My father (deceased now) was able to physically hang onto a spark
>>> plug, or mag and tell me if it was a good spark or not. Needless to say  
> most
>>> people cannot hang on to, or would even want to check for spark this way.  
> He
>>> did say though, if you take a dry green blade of grass and slowly slide  
> it
>>> up on top of the spark plug until you start to feel pulses; The farther  
> away
>>> you are from feeling pulses, the stronger your mag is. Sounds pretty  
> crude
>>> but is surprisingly accurate.  Lyle
>>> 
>>> -----Original Message-----
>>> From: antique-johndeere-bounces at lists.antique-tractor.com
>>> [mailto:antique-johndeere-bounces at lists.antique-tractor.com] On Behalf Of
>>> Tyler Juranek
>>> Sent: Monday, June 11, 2012 10:30 AM
>>> To: antique-johndeere at lists.antique-tractor.com; Antique tractor email
>>> discussion group
>>> Subject: [AJD] Magneto?
>>> 
>>> Hi everybody,
>>> On any 2 cylinder John Deere that is a hand start, what is the best way  
> to
>>> test the magnetic field in the magneto?
>>> If it makes more sense, I'm just wondering how to test the mag to find  
> out
>>> how much spark it has.
>>> Any help will be most appreciated!
>>> Thank you,
>>> Tyler
>>> 
>>> --
>>> Check out my youtube channel, and spread the word!
>>> http://www.youtube.com/tylerthetechy/
>>> _______________________________________________
>>> Antique-johndeere mailing list
>>> http://www.antique-tractor.com/mailman/listinfo/antique-johndeere
>>> 
>>> 
>>> _______________________________________________
>>> Antique-johndeere mailing list
>>> http://www.antique-tractor.com/mailman/listinfo/antique-johndeere
>> 
>> 
>> 
>> ------------------------------
>> 
>> Message: 5
>> Date: Mon, 11 Jun 2012 15:21:08 -0500
>> From: Dean Moore <lazyminok at gmail.com>
>> Subject: Re: [AJD] Magneto?
>> To: Antique John Deere mailing list
>>    <antique-johndeere at lists.antique-tractor.com>
>> Message-ID: <0F8376F3-2241-450D-BC00-1DF2EF8A1CC2 at gmail.com>
>> Content-Type: text/plain;    charset=us-ascii
>> 
>> Spark is same at hand turn as in full rpm. The mag makes no different  
> implus power
>> 
>> Sent from my iPhone
>> 
>> On Jun 11, 2012, at 2:15 PM, Mike Scholl <buck69_hunter at hotmail.com>  
> wrote:
>> 
>>> Tyler,
>>> 
>>> I've always used a spare spark plug with the base grounded to test for
>>> spark.  If it sparks, the motor should start provided there is good
>>> air/gasoline mixture and that the spark is timed.
>>> 
>>> A number of things can go wrong besides the mag coil... the impulse is  
> also
>>> critical.  At very low revolution speeds (like when starting), the  
> impulse
>>> provides for more internal magneto speed which generates a hotter spark.
>>> 
>>> Since there are a number of different mag options, which are we talking
>>> about Wico C or X, or Fairbanks-Morse?
>>> 
>>> Mike  
>>> 
>>> -----Original Message-----
>>> From: antique-johndeere-bounces at lists.antique-tractor.com
>>> [mailto:antique-johndeere-bounces at lists.antique-tractor.com] On Behalf  
> Of
>>> Lyle Kause
>>> Sent: Monday, June 11, 2012 1:27 PM
>>> To: 'Antique John Deere mailing list'
>>> Subject: Re: [AJD] Magneto?
>>> 
>>> Tyler, My father (deceased now) was able to physically hang onto a spark
>>> plug, or mag and tell me if it was a good spark or not. Needless to say  
> most
>>> people cannot hang on to, or would even want to check for spark this  
> way. He
>>> did say though, if you take a dry green blade of grass and slowly slide  
> it
>>> up on top of the spark plug until you start to feel pulses; The farther  
> away
>>> you are from feeling pulses, the stronger your mag is. Sounds pretty  
> crude
>>> but is surprisingly accurate.  Lyle
>>> 
>>> -----Original Message-----
>>> From: antique-johndeere-bounces at lists.antique-tractor.com
>>> [mailto:antique-johndeere-bounces at lists.antique-tractor.com] On Behalf  
> Of
>>> Tyler Juranek
>>> Sent: Monday, June 11, 2012 10:30 AM
>>> To: antique-johndeere at lists.antique-tractor.com; Antique tractor email
>>> discussion group
>>> Subject: [AJD] Magneto?
>>> 
>>> Hi everybody,
>>> On any 2 cylinder John Deere that is a hand start, what is the best way  
> to
>>> test the magnetic field in the magneto?
>>> If it makes more sense, I'm just wondering how to test the mag to find  
> out
>>> how much spark it has.
>>> Any help will be most appreciated!
>>> Thank you,
>>> Tyler
>>> 
>>> --
>>> Check out my youtube channel, and spread the word!
>>> http://www.youtube.com/tylerthetechy/
>>> _______________________________________________
>>> Antique-johndeere mailing list
>>> http://www.antique-tractor.com/mailman/listinfo/antique-johndeere
>>> 
>>> 
>>> _______________________________________________
>>> Antique-johndeere mailing list
>>> http://www.antique-tractor.com/mailman/listinfo/antique-johndeere
>>> 
>>> _______________________________________________
>>> Antique-johndeere mailing list
>>> http://www.antique-tractor.com/mailman/listinfo/antique-johndeere
>> 
>> 
>> 
>> ------------------------------
>> 
>> Message: 6
>> Date: Mon, 11 Jun 2012 22:27:38 -0400
>> From: John Nordhoff <jmn50 at msn.com>
>> Subject: Re: [AJD] Magneto?
>> To: <antique-johndeere at lists.antique-tractor.com>
>> Message-ID: <COL120-W34A1395E55BF4674175286A9F60 at phx.gbl>
>> Content-Type: text/plain; charset="iso-8859-1"
>> 
>> 
>> One cheap n easy way is to use a plug wire that is spaced 3/16 inch away  
> from the mags metal and hand turn the mag so the impulse snaps and you  
> should get a bright visible blue spark as opposed to a thin wimpy hard to  
> see yellow spark. If the impulse spring is weak the spark will be weaker, it  
> should make a loud sharp SNAP not a faint dull clunk when it snaps. Of  
> course, this is ONLY the static impulse spark were talkin about here which  
> isnt the same as when the impulse becomes disabled (around 250 RPM) and then  
> the faster the RPM the more spark energy thats developed. Typical problems  
> are burned points,,,,,,weak magnetic strength rotors,,,,,,,,,,weak or bad  
> condensor,,,,,,,,,,weak spring (affects start spark only).............    
> John T in Indiana 
>>> Date: Mon, 11 Jun 2012 11:29:39 -0500
>>> From: tylerpolkaman at gmail.com
>>> To: antique-johndeere at lists.antique-tractor.com;  
> at at lists.antique-tractor.com
>>> Subject: [AJD] Magneto?
>>> 
>>> Hi everybody,
>>> On any 2 cylinder John Deere that is a hand start, what is the best
>>> way to test the magnetic field in the magneto?
>>> If it makes more sense, I'm just wondering how to test the mag to find
>>> out how much spark it has.
>>> Any help will be most appreciated!
>>> Thank you,
>>> Tyler
>>> 
>>> -- 
>>> Check out my youtube channel, and spread the word!
>>> http://www.youtube.com/tylerthetechy/
>>> _______________________________________________
>>> Antique-johndeere mailing list
>>> http://www.antique-tractor.com/mailman/listinfo/antique-johndeere
>>                         
>> 
>> ------------------------------
>> 
>> _______________________________________________
>> Antique-johndeere mailing list
>> Antique-johndeere at lists.antique-tractor.com
>> http://www.antique-tractor.com/mailman/listinfo/antique-johndeere
>> 
>> 
>> End of Antique-johndeere Digest, Vol 84, Issue 2
>> ************************************************
> 
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