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New member that will need help fronm time to time

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Mwentworth
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Location: Oxford NC

New member that will need help fronm time to time

Postby Mwentworth » Thu Oct 26, 2006 6:51 am

Hello everyone;

My Name is Mark Wentworth and earlier this year my father in law gave us a 1949 cub with a belly mower. Now I have to do some work to it. During the course of the summer the cub began to run rough and I had to clean the plugs every time I used it. It just got worse to the point that it would not start at all and I had to tow it into my shop. Well last week I started to work on it. Thinking I might have some bad rings. Because I was getting oil blow back out the oil fill cap and some blue smoke. A second problem that I have is when the cub was rumming and I used the choke to start it gas would run out of the carb.

When the cub first started running rough i firsr thought that I was running to rich so i tried to adjust the mixture and it had no effect. I turned the needle valve all the way in and the tractor kept on running.

Any advice will greatly be appreciated
first time cub owner

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Harold R
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Tractors Owned: 1948,55, and 56 Farmall Cubs.
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Postby Harold R » Thu Oct 26, 2006 7:05 am

Welcome Mark, you've come to the right place. Others will be along shortly to offer sage advice, but with my limited experience, it sounds as if you need a carb overhaul. I'd do that first, get the carb in shape so you can assess what the engine needs. With a rich running carb, you will get smoke and fouled plugs, plus gas dripping out of the carb. A new kit is about $60. Here's a link to the forum's online help section. 8)


http://www.cleancomputes.com/Cub/Maintenance%20Tips%20and%20Techniques/index.html

Look for Lurker Carl's Carb Fixes!!

Mwentworth
10+ Years
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Joined: Mon Oct 16, 2006 5:00 am
Location: Oxford NC

update

Postby Mwentworth » Thu Oct 26, 2006 7:10 am

I have already pulled the head off and the valves are caked with carbon. I havent had a chance yet to pull the valves or the pistons yet. Time is limited to do such things around my household. I want to see what my cylinder walls look like and check out the condition of my rings. As far as the carb rebuild i am going to do that.

I will post a pic of my cub soon.
first time cub owner

Harold R
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Postby Harold R » Thu Oct 26, 2006 7:16 am

OK, you're already into the engine. 8) 8) Pictures are worth a 1000 words!.

Matt Kirsch
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Postby Matt Kirsch » Thu Oct 26, 2006 7:18 am

Mark,

Just a quick comment on carb diagnostics, so you're not charging windmills when you get back to troubleshooting: To the best of my knowledge, there's no run mixture screw. What you were turning in was the idle mixture screw. Your run mixture is controlled by the float level, which requires disassembling the carburetor. If choking caused gas to flow, then the float is probably sticking or is set to maintain too high a level of gas in the carburetor bowl.

Welcome to the club and don't worry about asking questions.

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Rudi
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Postby Rudi » Thu Oct 26, 2006 7:19 am

Mark:

First, Image to the greatest forum on the internet, and to the Cub Family. You will find that all the folks on this forum are kind, helpful and just full of Cub info and knowledge. They also happen to be the finest folks I have ever met :!: :D

Everything you need is below in the manuals. All the explanations are right here on forum. These guys are really good :!: :wink: :D

Ok, so here is the spiel Image:

I would suggest that you read this thread: New Members and Visitors, Please READ Prior to Posting. There are many great links to informative pages such as the ATIS FAQ's 1 and ATIS FAQ's 2, The Best of H.L. Chauvin who has written very interesting articles on troubleshooting common problems with your Cub.

Also, you might want to visit the Cub Manual Server as there is tons of info on servicing, maintaining and re-building your Cub. In addition to this basic information, there are also a number of other useful tools available on the server. There is the Specialty Services page which has contact info for neat stuff like getting your seats recovered, buying quality Decals, Serial Number tags and a host of other neat items. Also there are the Parts Pages - both Used Parts Suppliers and New Parts Suppliers pages with links to quality dealers. I am always looking for YOUR favourite dealers for New and Used Parts to include here. These pages are intended to complement our Official FarmallCub.com Website Sponsors:

I would also recommend that you visit Binder Books and purchase the three most important manuals you can own for Maintenance, Repair and Rebuilding your Cub. These are the Owner's Manual, the GSS-1411 Service Manual and the TC-37F Parts Manual. Although they are available on the Cub Manual Server, it is better is you also have your own paper copy. Binder Books is the only Authorized IH Publication Reprint House and they have the best quality manuals available. Most other's are not of the same quality. Just a personal thought here, the I&T Shop Manuals, although helpful in some areas, really are not sufficient for the job. If you wish though, they are good additional reference works.

IF you really want to get the skinny on all things Cub, might I suggest you get a copy of Ken Updike's Farmall Cub and Cub Cadet's :?: . While you are at it Original Farmall Cub and Cub Cadet is Ken's latest addition to the series. Along with Guy Fay's Letter Series Originality Guide, these are three must have's in anyone's collection.

In addition to the above information, don't forget to check out the various articles that are available to help with your Repair, Restore, Rebuild or just your Maintenance Projects. There are a number of sub pages such as Electrolysis or Rust Zapper's, Maintenance Tips, Jigs and Techniques, Implement and Part Sketches and of course the Paint, Decals & Other Finish Questions which has the Paint Chart and the Paint Committee Decisions links.

Oh, and while the program still lasts.. you might want to check the Announcement: Navistar Free Gas Cap Offer - On-Line Form thread at the top of the Cub Forum and send away for the new style safety cap before that program runs out as well.

I truly hope that you enjoy your Cub and that you will be a frequent contributor to the forum. Again, Image to the Cub FamilyImage :D
Confusion breeds Discussion which breeds Knowledge which breeds Confidence which breeds Friendship


Kirk
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Location: Farmington AR

Postby Kirk » Fri Oct 27, 2006 8:19 am

Hi Mark,

Welcome to the best Cub Farmall site ever :!: :!:
You've come to the right place and we're glad to have you.

One thing that you may want to check also (because of the "blowby") is your oil level. The first thing I found when I had considerable blowby was that my crankcase oil level was INCREASING :shock: ....and thereby creating a lot of blowby.

What was found is that the hydraulic pump needed rebuilding. It's worn-out o-rings was allowing hyd fluid into the crankcase....which can be dissastrous on your engine components.

So just check your oil level to hopefully eliminate that frequent problem.

The real experts will be along shortly.

Welcome aboard
Kirk

CUBS:
'49

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Rick Prentice
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Postby Rick Prentice » Fri Oct 27, 2006 8:43 am

Welcome Mark. I'm still not one of those experts that will be along, but while you have the hood off :shock: , you might want to check the oil filter breather tube and fittings for blockage, which can cause blowby. Probably the rings, but won't hurt to check the tube. Here's a link on the topic,


http://www.farmallcub.com/phpBB2/viewtopic.php?t=5073&highlight=cleaning+breather

Rick
When I told my dad I've been misplacing things and doing stupid stuff----His reply---"It only gets better"

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Bigdog
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Postby Bigdog » Fri Oct 27, 2006 9:15 am

Well, I'm no engine expert either but it sure sounds like from your description that the engine is pretty well worn out and is due for a re-build. Having to clean oil-fouled plugs each time you run the engine tells me that the rings and cylinder walls must be pretty well worn. In addition to that you describe blow-by and blue smoke. All indicate a worn engine.
Bigdog
If you can't fix it with a hammer, you've got an electrical problem.

My wife says I don't listen to her. - - - - - - - - Or something like that!

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Mwentworth
10+ Years
10+ Years
Posts: 4
Joined: Mon Oct 16, 2006 5:00 am
Location: Oxford NC

WOW

Postby Mwentworth » Tue Oct 31, 2006 5:17 am

I am truely impressed and a lottle overwelmed. what a response. I thank everyone who has made a reply to my post. :lol:

Well my Football seasson ended last night and Now maybe I can get started working on my cub. I am sure you all will be hearing from me real soon
first time cub owner

Mac from NS
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Location: Port Maitland Yar.Co. N.S.

Postby Mac from NS » Tue Oct 31, 2006 11:46 am

You already got some good advice so we will just welcome you aboard.
Take a little time to play,you don't grow old as fast that way.

Mac

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John(videodoc)
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-(Woods 59")
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Postby John(videodoc) » Tue Oct 31, 2006 12:32 pm

dont ferget pictures :!:

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Jeff M
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Postby Jeff M » Tue Oct 31, 2006 8:02 pm

Mark, don't believe everything those guys say. You've already heard from at least three experts that I know of...
Care and feeding of family's Ford 641 ('61)
Kubota BX 1860

Mwentworth
10+ Years
10+ Years
Posts: 4
Joined: Mon Oct 16, 2006 5:00 am
Location: Oxford NC

photos

Postby Mwentworth » Fri Nov 03, 2006 5:25 am

first time cub owner

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Bigdog
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Postby Bigdog » Fri Nov 03, 2006 7:19 am

They work fine!
Bigdog
If you can't fix it with a hammer, you've got an electrical problem.

My wife says I don't listen to her. - - - - - - - - Or something like that!

Image

http://www.cubtug.com


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