New Member 1948 Cub

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websterspa
Posts: 2
Joined: Mon Apr 28, 2014 10:21 pm
Zip Code: 99003

New Member 1948 Cub

Postby websterspa » Thu Feb 19, 2015 2:29 pm

Last year I got my grandfather's '48 cub, SN 16728. Ran pretty good when I picked it up, but after running the fuel dry, hasn't run well sense. Guess it's time for a carb clean out/rebuild. Funny though, the sediment boal is intact and there is an aftermarket inline fuel filter that I thought would have caught any junk from getting into the carb.

It has a Zenith carb, no other markings. I was trying to get to the manuals and needed to do a post first...so here it is!

I've been on this forum for awhile reading quite a bit, thanks for all the great information and suggestions!

-Jeff
Jeff
1948 Cub
Chattaroy, WA

Papa's Cub
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Location: S/E Georgia

Re: New Member 1948 Cub

Postby Papa's Cub » Thu Feb 19, 2015 2:52 pm

Welcome to the forum Jeff. I guess by now you know that the carb is not an original. You're in the right place to find the most logical solution. Tom.
If you always do what you've always done -- you'll always get what you've always got!

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Don McCombs
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Zip Code: 21550
Tractors Owned: "1950 Something" Farmall Cub
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1978 International Cub
1948 Farmall Super A
Circle of Safety: Y
Location: MD, Deep Creek Lake

Re: New Member 1948 Cub

Postby Don McCombs » Thu Feb 19, 2015 3:45 pm

It's possible that the inline filter is at least part of your problem. I recommend removing the inline filter, clean the sediment bowl thoroughly and check for any debris around the fuel tank outlet. Then let us know how it runs.
Don McCombs
MD, Deep Creek Lake

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Proud Member of Maryland Chapter 39

staninlowerAL
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Tractors Owned: Cubs: (3)'49's, (1)'52, (1)'57 IH Cub LoBoy w/FH, (1)'72 154 Number Series Loboy, '76 Longstripe w/FH, Mowers: C-22, Bush Hog 412, Pennington 59, Woods RM42CF, Woods 42, assorted FCub plows, planters, discs, etc. OTHERS: '49 AC B & Ind. Sickle mower, '61 AC D12 Ser 2, '52 8N, '56 Ferguson 35 Deluxe, '53 MM BG (offset), (2) '49 Avery V's, '56 JD 420C, with Blade and fire plow, '85 JD 850 (Yanmar) w/72" belly mower, '76 Yanmar 1500, Sears Surburban's, MTD's, Jeeps & other misc. "treasures"
Location: AL (Southwest)

Re: New Member 1948 Cub

Postby staninlowerAL » Thu Feb 19, 2015 4:16 pm

Don's recommendation should guide you toward a clean fuel system. If you determine that you still need a supplemental filter check out the "HOW TO" section on fuel. Lots of good suggestions and ways to do it. This should take you there.
viewtopic.php?f=139&t=74909#p600904 Stan

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Dale Finch
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Re: New Member 1948 Cub

Postby Dale Finch » Thu Feb 19, 2015 4:47 pm

Another thing to check...the zenith is supposed to have a screen as part of the inlet fitting:
http://www.steinertractor.com/IHS1124-carb-elbow-with-strainer-assembly--fits-farmall-a-b-c--many-more?&TF=FCDDF7FACFBB
(note: there are two different versions based on the fitting size. This one is for the 5/16" fuel line)

You might remove this fitting and clean out this screen if it is there. I did have one that someone had actually cut the screen off the fitting, so I replaced it with a new one. Good luck!

CTFD24
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Tractors Owned: 1951 Farmall Cub
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Re: New Member 1948 Cub

Postby CTFD24 » Thu Feb 19, 2015 5:29 pm

Hey Jeff,
Welcome to the forum! My cub also had an inline filter between the sediment bowl and carburetor when I first bought it. I constantly had problems. Even after I replaced the inline filter the engine would act like it was starved for fuel. A few of the experts on the forum suggested that I clean the sediment bowl and remove the inline filter all together. After following their suggestions my cub has ran great every since. I guess there was just enough resistance in the filter to starve the engine. Hope you find the solution!
-Brent

SONNY
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Re: New Member 1948 Cub

Postby SONNY » Thu Feb 19, 2015 5:40 pm

Some of mine have inline filters and the rest have not been put on yet!--another to-do job as weather permits! thanks; sonny
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Mike in Louisiana
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Re: New Member 1948 Cub

Postby Mike in Louisiana » Fri Feb 20, 2015 9:40 am

Jeff, Welcome to the forum. The most important thing here is clean gas tank and clean storage container.
1975 cub (LouAnn) serial # 245946, 1941 John Deere Model H

Good judgment comes from experience,
and a lot of that comes from bad judgment. Will Rogers

George M
Posts: 21
Joined: Wed Dec 31, 2014 6:45 pm
Zip Code: 00000
Tractors Owned: 1951 Farmall Cub
2004 Cub Cadet 812
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Re: New Member 1948 Cub

Postby George M » Fri Feb 20, 2015 6:45 pm

Welcome to the forum! Definatly a great cub for its family history... Post some pictures! :) :)
George

websterspa
Posts: 2
Joined: Mon Apr 28, 2014 10:21 pm
Zip Code: 99003

Re: New Member 1948 Cub

Postby websterspa » Tue Feb 24, 2015 5:38 pm

Great info everyone. She's nothing to brag about, but I'll send along some pics soon.

btw are people still using kerosene to clean oil dipstick breather caps and the air filter assy?
Jeff
1948 Cub
Chattaroy, WA

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Don McCombs
Team Cub Mentor
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Posts: 12709
Joined: Mon Feb 03, 2003 6:45 am
Zip Code: 21550
Tractors Owned: "1950 Something" Farmall Cub
1957 Farmall Cub w/FH
1977 International Cub w/FH
1978 International Cub
1948 Farmall Super A
Circle of Safety: Y
Location: MD, Deep Creek Lake

Re: New Member 1948 Cub

Postby Don McCombs » Tue Feb 24, 2015 7:22 pm

websterspa wrote:btw are people still using kerosene to clean oil dipstick breather caps and the air filter assy?

Yes.
Don McCombs
MD, Deep Creek Lake

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Proud Member of Maryland Chapter 39


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