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D21 starting

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09-19-2002 10:51:31

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The D-21 I recently bought won't start at times. The "preheater" clicks and i assume it works simply because the tractor won't start at all when I do not turn the key all the way (and hold for 20 s).
Any hint or idea what to check?
In general; Do D-21 series II tractors start easily? Is it normal that I need to use the preheater even when the tractor is still hot?

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09-19-2002 19:55:35

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 Re: D21 starting in reply to Johannes, 09-19-2002 10:51:31  
go to tractorshed.com,in there you will find a guy by the name of sammy noodleman.he is the best i've ever heard from.i found him under the model A

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09-29-2002 10:32:20

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 Re: Re: D21 starting in reply to dave, 09-19-2002 19:55:35  
If it will not start I would check the injection pump. Are you getting smoke? Delivery valve could be stuck in pump, seen it before on a 426ci. Maybe if you run a fuel conditioner in fuel will help. Agco has a great conditioner.

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09-30-2002 09:14:54

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 Re: Re: Re: D21 starting in reply to jody , 09-29-2002 10:32:20  
I have to check if I get smoke, not quite sure right now.
I use some liquid starter to get it going but I like to stop that practice!
The machine is also using a lot of oel, so I am thinking the pistons rings may have to be replaced. That should effect starting as well.

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10-30-2002 13:06:56

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 Re: Re: Re: Re: D21 starting in reply to Johannes, 09-30-2002 09:14:54  
NEVER use ether to start a DIESEL engine. I' ve seen piston rings blow right off the piston when (too much) ether was used. You've ALREADY got piston-ring blowby(probably from the long -term use of
ether). IF YOUR DIESEL WON"T START without ether, STOP and find out WHY NOT. Maybe the injection pump/injectors/high press. fuel lines need cleaning, or the injection pump is out of time (worn gears) or ANY number of PROBLEMS. FIX the START problem first!!!!

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