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John Deere Tractors Discussion Forum
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JD 212

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Joe McColligan

08-06-2003 20:55:51




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i HAVE A jd 212. It was running great till last week. As I was mowing, the tractor suddenly lost power. When I brought it in the garage, I shut it off and now it is very hard starting and dont want to come up on rpm. As soon as you try to throttle up , it flutters and dies. I checked compression and it has 120 lbs. Spark seems to be good. Also the only way I can keep it running now is with choke closed. Can anyone help. My email adress is mrmax1216@cs.com Thanks

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Jon

08-07-2003 10:19:41




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 Re: JD 212 in reply to Joe McColligan, 08-06-2003 20:55:51  
I'm not familiar with your model, but your problem could be due to retarded timing if the distributor clamp came loose and allowed the distributor to rotate and retard the timing.

Make sure it's still snug, or better yet, make sure it's set to specs.

If timing is ok and you have a nice blue spark, then I'd would go back through the carb again - it only takes a grain of sand to mess everything up, or a vacuum leak somewhere to lose power.

Good Luck.

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Steve from MO

08-07-2003 06:45:59




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 Re: JD 212 in reply to Joe McColligan, 08-06-2003 20:55:51  
I had that exact same problem last year with my JD210.

The carb is not difficult to dismantle, clean, and reassemble. Nothing complicated about it. So I did that; it ran well for half an hour and stopped again.

I looked at the debris I found in the carb (third time apart now) and it looked like ant bodies. One of the guys here told me my fuel hose was coming apart. It was. Replaced that, and things have worked well since then.

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Fred G

08-07-2003 06:35:09




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 Re: JD 212 in reply to Joe McColligan, 08-06-2003 20:55:51  
Sounds like your main jet is partially plugged by debries. If fuel is getting to the carb but not to the cylinder, cleaning the jet(s) is what I would try next.



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Al Wlodarczyk

08-07-2003 04:34:43




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 Re: JD 212 in reply to Joe McColligan, 08-06-2003 20:55:51  
I had an experience with my 212. At 3/4 throttle it would pop and die out. After checking all the basics and putting up with it for a mowing season, I removed the cylinder head and found carbon build up which was making the valves stick and hang up. I removed all the carbon and installed a new head gasket and it has been running like a new tractor all season. Good Luck. Al



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F-I-T

08-06-2003 21:06:33




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 Re: JD 212 in reply to Joe McColligan, 08-06-2003 20:55:51  
Joe:

I had a 214 for many years, and what you have sounds to me like fuel starvation. There is a screen in the bottom of the plastic fuel tank that can get blocked with trash. If so, you may want to remove the fenders so that you can remove the tank and slosh and clean it well. After a lot of years of use, there will be some grit and grass clippings for sure just from re-fueling.

Also, there is a small diaphragm type fuel pump on the front of the engine. They often go bad, and could need a rebuild kit.

Charge the battery fully, remove the spark plug so it will crank easily, remove the fuel line from the carb, and crank it for a while and see if it delivers fuel properly out of the line.

Let us know what you find.

Frank-in-Tallahassee
70D // 855

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Joe McColligan

08-06-2003 21:13:16




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 Re: Re: JD 212 in reply to F-I-T, 08-06-2003 21:06:33  
I checked fuel delivery and it is good.



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F-I-T

08-06-2003 21:36:09




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 Re: Re: Re: JD 212 in reply to Joe McColligan, 08-06-2003 21:13:16  
Joe:

Okay...I'd refresh the basics then. Maybe a new air filter, or blow it out well. A fresh plug, maybe new points/condenser. That should eliminate some of the probables. BTW, what does the plug look like ? Black ? Damp ?

Needing choke should indicate that it's running lean. You could unscrew the carb bowl without disturbing too much (remember where the load screw is set if you move it) and look for any debris.

That's about all I have to offer for now. Hopefully someone else will be able to help you.


Frank

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Gpower

08-07-2003 05:24:23




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 Re: Re: Re: Re: JD 212 in reply to F-I-T, 08-06-2003 21:36:09  
Sounds like it could be a condensor problem, seen it several times on the lawnmowers. Even though you have good spark, after the lawnmower runs and heats up it will act that way. Just a thought,

Gpower



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Joe McColligan

08-10-2003 18:56:23




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 Re: Re: Re: Re: Re: JD 212 in reply to Gpower, 08-07-2003 05:24:23  
Thanks to all who responded but the truth is Ive done all of that with the same result. My thoughts are to change the coil. I really think this is an ignition problem. I have a new coil on order and I will change when I get it. I will let tou know the result



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