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John Deere Tractors Discussion Forum
Show Parts for Model:

Re: Help adjusting 730D pony

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buickanddeere

02-07-2013 07:17:07
184.151.63.159



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Something looks odd with item # 34. It's the fuel transfer tube and is often twisted off and broken when over tightened when a tinkerer thinks it's a mixture adjustment. As previously stated about the coil topic. A post coil and spring clip ignition wire together or a spring clip coil and a post style wire together don't work well.




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raklet

02-07-2013 08:10:21
72.22.244.102



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 Re: Help adjusting 730D pony in reply to buickanddeere, 02-07-2013 07:17:07  
Let me see if I follow so far.
#34 is non-adjustable. Clean it, install it, don't overtighten.
Only adjustments made are to #1 and #36?

How do I tell whether there are new coils or not? If I remove the resistor wire and direct jump the coils, can I damage them if they are original coils?



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Blksmok

02-07-2013 14:28:01
67.209.80.17



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 Re: Help adjusting 730D pony in reply to raklet, 02-07-2013 08:10:21  
Tyler...#34 has a very small hole perpendicular to the tube. It near the front of that part. Make sure it's not plugged. The "original " coils were white and kind of waxy. Replacement coils are usually black. The real shiny ones are foreign made,,the dull black ones are U.S. made..generally. The best way to check your coils is to take a new spare spark plug, detach number 1 plug wire, hook it to your spare plug, ground that plug to the engine, crank the engine and you should have a snappy blue spark. If you have spark on #1 you will also have spark on #3 as both plugs fire off of the same coil. Both plugs need to be grounded to run this test. Repeat this procedure on #2 plug to see if your other coil is good. No spark can be due to bad coils, faulty ignition switch or loose/dirty wire connections.

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Rich Duane

02-07-2013 10:09:20
72.45.55.37



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 Re: Help adjusting 730D pony in reply to raklet, 02-07-2013 08:10:21  
I thought you may have changed them but if not I doubt that the original style are still functioning. Rich



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