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John Deere Tractors Discussion Forum
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reliable carb rebuilder

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B Duncan

07-10-2006 09:38:45




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Hi all,
I am back in the game of putting my 39 D back together. I made an attempt to rebuild the DLTX 16 carb but was unsuccesful. When placed on the engine the engine would not advance in speed when the throttle was pushed to wide open position. I had all the plugs out and cleaned them with a drill bit. My question is which of the carb rebuilders that are listed in Green Magazine would be a good choice and how is their workmanship and price. Are there any that need to be avoided? Thanks in advance for all the help.

Brad

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B Duncan

07-11-2006 03:15:41




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 Re: reliable carb rebuilder in reply to B Duncan, 07-10-2006 09:38:45  
Thanks guys for the responses. I did not take the nozzel out of the carb b/c I didnt have the tool to do it. I will call one of these rebuilders and see what prices and turnaround time looks like. There is a labor day show in my area and I missed it last year so im going to try my hardest to make it this year. I will be back with other ??s along the way.

Thanks again
Brad



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Kurt_JDB

07-11-2006 05:05:40




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 Re: reliable carb rebuilder in reply to B Duncan, 07-11-2006 03:15:41  
Brad,

Here is a trick I learned on this board that worked well for me in getting the nozzel and other brass parts off the carb.

Start a nice charcoal fire in your grill, put the carb body (no bowl) in the fire as it get going, and leave it there until the fire burns out, and the carb cools off. All the drill plugs will then turn right out, and the nozzel may even fall out. If it dosn't take a small tap and run it up into the nozzel and thread the hole in the nozzel. I think it is a 10-24 tap, but you can find out by finding what is the largest number drill that will fit, and then cross to a tap. Thread a length of threaded rod into the nozzel, slide some kind of weight on the rod and back it up with some washers and a nut. Use the weight as a slap hammer. Nozzel should pop right out.

Kurt

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Mike M

07-11-2006 04:43:50




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 Re: reliable carb rebuilder in reply to B Duncan, 07-11-2006 03:15:41  
Since you didn't pull out the center nozzle then I do think if you get it out and clean it and the area up inside then it will be ok. I use a small slide hammer that came with a screw pointed tip that fits up in the hole. I think it came from Harbor Freight years ago. Sometimes you can find a screw that self threads up into the center hole of the nozzle and pull it out. Sometimes you can find a small tap and thread it up in there and then use a small all thread and a nut and pull it out.

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Fat Jimmy

07-10-2006 20:42:13




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 Re: reliable carb rebuilder in reply to B Duncan, 07-10-2006 09:38:45  
I had one that I sent to Roberts for a stem repair that took over 4 months and $550 and does not work right. Places that do shoddy work like that and charge plenty don't get a second chance from me. I won't even send it in to have it redone.



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john dear

07-10-2006 16:49:51




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 Re: reliable carb rebuilder in reply to B Duncan, 07-10-2006 09:38:45  
Treadwells in NY is slow but excellent. Price is very reasonable. www.oldjd4u.com is reasonable and reasonable turn around. Robert's seems to be a nice fellow and full of knowledge. I hear the wait is getting up there and the price certainly is. Got to run a drill bit through all those passages in a cast iron carb. Carb cleaner, compressed air, wire, or soaking won't get the rust out of the passages.

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Glen in TX

07-10-2006 14:21:15




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 Re: reliable carb rebuilder in reply to B Duncan, 07-10-2006 09:38:45  
Make sure you have the right throttle shaft and butterfly in it and bushings and shaft aren't worn. Seen JD and some other places supply the wrong butterfly and shaft for them or one that doesn't fit right in the D carbs. I and others have had trouble with those on the 16 for D because of that. Contact Roberts as he has the right ones made for it. Like said below make sure you get the cleaning drills and clean out all the passageways and behind load nozzle jet well. If you didn't pull it out there will be crud behind it and the tiny holes could be plugged on it. Clean the small holes lightly by hand with small drills or torch tip cleaner.

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Mike M

07-10-2006 11:14:07




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 Re: reliable carb rebuilder in reply to B Duncan, 07-10-2006 09:38:45  
Don't let that first attempt stop you. Stumble on acceleration sounds like you didn't pull the nozzle out of the center stem and clean it. (where the bowl nut is) Won't hurt to double check each and every passage with a fine wire. You can run a wire through them and see it at every intersection. Also seal those plugs with sealer.



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Henry M

07-10-2006 10:51:51




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 Re: reliable carb rebuilder in reply to B Duncan, 07-10-2006 09:38:45  
That ole carb must be different than the ones I am familiar with. Does it have a butterfly /air intake control like the newer carbs?

If so I would check to make sure the butterfly is working when you advance the throttle. If that is the type of carb, the motor has to do something (seems to me like) when you open the air all the way?



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P Browning

07-10-2006 10:28:44




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 Re: reliable carb rebuilder in reply to B Duncan, 07-10-2006 09:38:45  
Robert's Caruretor Repair = Best! (PatB)



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old

07-10-2006 10:09:06




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 Re: reliable carb rebuilder in reply to B Duncan, 07-10-2006 09:38:45  
Heres what I did when I need a new/used carb for my 1935 B, it was not rebuildable. I got a good rebuilt carb from valuebilt and it has run good since, they also have a warentty on all there parts so if it wasn't right and I did get a few that wheren't they made good on them and it never cost me a penny more for them to do so

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