float adjustment?

Farmall H, HV & Super H, 300 & 350, 1939-1958
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Dusty B
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float adjustment?

Postby Dusty B » Sun Jul 24, 2022 8:51 pm

1945 H Starts and runs fine IF choke is pulled 1/3 - 1/2 out! Am I correct in my thinking that the float setting is too low? Carb has been rebuilt twice by "experienced" people (one the IH shop). Other than that runs and pulls well for sitting for 15 years outside!!
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Don McCombs
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Re: float adjustment?

Postby Don McCombs » Sun Jul 24, 2022 9:47 pm

It may also be a restriction in the fuel supply.
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Gary Dotson
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Re: float adjustment?

Postby Gary Dotson » Mon Jul 25, 2022 7:24 am

I doubt that your float level has changed, on it’s own. It’s more likely a blocked passage within the carb. or fuel supply issue, as Don mentioned.

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Dusty B
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Re: float adjustment?

Postby Dusty B » Tue Aug 16, 2022 12:42 pm

A second question- would a hole in the exhaust manifold affect the carburetor adjustment??
Grandpa's '41 B
'56,,'57,'59, Cu'b
'45 C
'55 Case S
Dad's DB garden tractor
'48 DeSoto
'31 "A Coup
'79 Lincoln TC
God looks out for those of us who don't know how to look out for ourselves!

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Don McCombs
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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: float adjustment?

Postby Don McCombs » Tue Aug 16, 2022 4:46 pm

It wouldn’t affect the adjustment, but it would affect the performance if it was on the intake side.
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Gary Dotson
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49 Leader "D" (Princess)
49 Leader "D" very rough
48 Leader "D" unrestored
Kubota B6200E
Kubota B6200HST
Kubota B8200HST-D
Circle of Safety: Y
Location: OH West Mansfield

Re: float adjustment?

Postby Gary Dotson » Wed Aug 17, 2022 7:35 am

It depends, if the hole real large, it may effect performance. Is it rusted through? That was not unusual on those. Good used ones are very hard to find and new ones are a bit pricey.

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Dale Finch
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Re: float adjustment?

Postby Dale Finch » Wed Aug 17, 2022 2:10 pm

Not sure where the hole is you mentioned, but just wanted to make sure you knew there is SUPPOSED to be a hole in the lower forward area of the exhaust manifold. Often it is filled with dirt and rust, so you don't know it's there. Some folks think it is not supposed to be there, and put a screw in to fill it.
http://www.farmallcub.com/phpBB2/viewtopic.php?t=96496

http://www.farmallcub.com/phpBB2/viewtopic.php?t=86689
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Gary Dotson
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53 Cockshutt 20 restored (Shooter)
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47 Leader "B" (Herckie)
49 Leader "D" (Princess)
49 Leader "D" very rough
48 Leader "D" unrestored
Kubota B6200E
Kubota B6200HST
Kubota B8200HST-D
Circle of Safety: Y
Location: OH West Mansfield

Re: float adjustment?

Postby Gary Dotson » Thu Aug 18, 2022 7:34 am

I’m not sure the H has that drain hole.

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Dale Finch
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Joined: Tue Apr 27, 2010 11:34 am
Zip Code: 27517
Tractors Owned: '51 Cub #140966 "Bruno" with Woods 59 mower
'55 Cub #187541 "Betty" with Fast Hitch
'55 Cub #190482 "Ben" with Woods 42 mower
'55 Cub #191739 "Bertha" with Woods 42 mower
'56 Cub #194370 "Boris" with Mott Flail mower
Circle of Safety: Y
Location: NC, Chapel Hill

Re: float adjustment?

Postby Dale Finch » Thu Aug 18, 2022 7:46 am

Yeah, it was pointed out to me that once again I failed to read the post more carefully!! I apologize for any incorrect or misleading info!!
:big angry:
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Jim Becker
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Re: float adjustment?

Postby Jim Becker » Thu Aug 18, 2022 9:24 am

Gary Dotson wrote:I’m not sure the H has that drain hole.

I think it probably does. It would have it for the same reason a Cub does. That said, I don't think I have ever actually seen one.

Gary Dotson
Team Cub Mentor
Team Cub Mentor
Posts: 5043
Joined: Thu Aug 03, 2006 6:20 am
Zip Code: 43358
Tractors Owned: 48 Cub Diesel (Cubota)
53 Cockshutt 20 restored (Shooter)
52 Cockshutt 20 unrestored
47 Leader "B" (Herckie)
49 Leader "D" (Princess)
49 Leader "D" very rough
48 Leader "D" unrestored
Kubota B6200E
Kubota B6200HST
Kubota B8200HST-D
Circle of Safety: Y
Location: OH West Mansfield

Re: float adjustment?

Postby Gary Dotson » Fri Aug 19, 2022 7:57 am

I really don’t know, I’ve never looked for one. I put an aftermarket replacement on the neighbors H ,a couple years ago, and I’m sure it did not have one. The original was too far gone to tell if it had one.


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