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Farmall & IHC Tractors Discussion Forum
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H with no power

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hvacpro85

05-04-2008 07:25:16




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ive got a '42 Farmall H with a 3 point i just picked up a 2 bottom plow. I headed out to plow up the garden about 1 1/2 acres. When the plow is all the way in the ground the tractor bogs down and will eventually kill. Im all the way throttled up and in first/second gear. The ground was wet from a heavy rain a couple days ago. The tractor seems to run good (but im no expert). I do have a heavy black smoke on startup and when its throttled up. I was told it needs a carb adjustment?? Dont know if that has anything to do with it or not. Any help is appreciated

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Bob Kerr

05-05-2008 07:43:43




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 Re: H with no power in reply to hvacpro85, 05-04-2008 07:25:16  
Adjust the carb main jet till no black smoke. Just turn the screw till it smokes a little then back it off and give it a try. if it smokes under load then lean it out a touch more. you will find the sweet spot! if that doesn"t do it check air passages like others have said, seen a bunch of old H and Ms with dust/oil clogged tubes! Then if that doesn"t do it do a compression test. If you are plowing wet clay with a plow much bigger than 2 16s it might slow you down a bunch. You must have water in the tires and wheel weights as you didn"t say anything about spinning wheels so if you don"t have water or weights I would say the engine isn"t performing like it oughtta. Also, are the mouldboards shiney? rusty ones will act horrible and build up dirt on them and it just won"t plow nice or you will end up clogging the plow and have a pile of dirt to deal with. If your plow is rusty sand it off good and see if a local gravel pit will let you run the plow through a good place with very small rocks and sand. That sure cleans them up!

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CNKS

05-04-2008 17:22:12




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 Re: H with no power in reply to hvacpro85, 05-04-2008 07:25:16  
Your tractor needs a tune-up. 2 days after a heavy rain?? -- It's too wet.



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hvacpro85

05-04-2008 17:09:12




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 Re: H with no power in reply to hvacpro85, 05-04-2008 07:25:16  
I think the plow is a 16" and as far as depth goes im about 10" in the ground. I tried messing with the adjustment screws on the carb today and I got no audible engine noise difference , Im talking ALL the way out and ALL the way in. I also noticed the tractor will stall out in road gear (5th). Its like when there is a load on the tractor the rpms go way down until it dies if I push in the clutch and wait a sec. she jumps right back up until the load is applied again. Someone mentioned adjusting the plow?? Just what kind of adjustments are we talking about here?? And thanks for the quick responses guys!!!

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Randy-IA

05-04-2008 15:20:33




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 Re: H with no power in reply to hvacpro85, 05-04-2008 07:25:16  
What size two bottom ? The H is only rated for two 14's on average . Two 16's in easy . When you say " all the way in the ground " how deep is that ? It shouldn't be more than 8-9 " . I use a 4-16" semi mount on my 1755 and it just plays with it in tilled ground like corn stubble . I hooked my 3-16" little genius behind it and in the same field it brought it to a stand still once or twice it was so out of adjustment . It's not all the plow from what you say but it's something to consider . ...Randy

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Allan In NE

05-04-2008 10:15:02




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 Re: H with no power in reply to hvacpro85, 05-04-2008 07:25:16  
You've answered your own question.

A H isn't horse enough to pull a plow.

Allan



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CNKS

05-04-2008 17:20:44




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 Re: H with no power in reply to Allan In NE, 05-04-2008 10:15:02  
Allan, you should have told me that 58 years ago when I started driving my dad's H. I spent 6 summers with that as the first operation. Semi-mount 3 disk HM 150, second gear at least 8 inches deep.



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the tractor vet

05-04-2008 13:30:06




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 Re: H with no power in reply to Allan In NE, 05-04-2008 10:15:02  
Allen back may years ago one of the neighbors farmed 160 acres of plow ground with a plan jane H with a set of two 16's and got along just fine with it over here in the hills So yes and H was meant to pull two bottom plows and should do it in second gear at 8-10 inches deep . So if this H is having problem pulling two bottoms then it needs looked at . Maybe a carb issue or timing issue or it maybe plum slap wore out . My old S/H is plum wore out with only 90 lbs of compression and it will haul three 14's in second on flat ground but a groundhog mound will bring her to her knees .

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Allan In NE

05-04-2008 14:17:54




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 Re: H with no power in reply to the tractor vet, 05-04-2008 13:30:06  
Ya must be farmin' feathers. :>)

"Here", a M would struggle with a 2 bottom tumble plow in low tearin' up alfalfa; often had to hook two tractors together.

3-14s will work the snot out of a 656D in low.

Allan



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the tractor vet

05-04-2008 14:59:47




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 Re: H with no power in reply to Allan In NE, 05-04-2008 14:17:54  
Well since i have only been to your state once to bring one of the largest Gradeals out to a limestone mine don't know much about your soil but we have just about everything and on the tops of the humps and bumps that clay can pull hard. And for some reason this year the ground is hard and even the 1066 with the 710 I H plow is having trouble getting down . Now ya want to talk about alfalfa roots Several years ago i was doing some chisleing with a 3788and a 5 shank DMI turbo Tiger II with the tiger points at about 18 inches deep after we had turned the wick up on the 3788 and added all the iron we had to it we were making one field bigger and went thru some old alfalfa fields and pulled up roots that some of them were over twenty feet long Was just haulen donkey across the corn ground TILL i hit the hay ground and all foward motion stopped except me and i kissed the windsheild then the tractor started to hop and throw me around the cab . never thought i was going to get the clutch down , i swear it was jumping three feet off the ground . We really needed something like a Steiger with more weight then we had . But for the most part there were lots of old M's and H's and C that did the farming in this area . In 68 people thought that my buddy and i were big time because we had two 450D's pulling 540 4x14 semi mounts. There vary few bigger tractors My uncle had a 806 and my old boss had a 806 a few 4020's Couple 1950 G's and T Oil all overs But lots of the A's and B's M's and H's .

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Glenn F.

05-04-2008 14:33:15




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 Re: H with no power in reply to Allan In NE, 05-04-2008 14:17:54  
AMEN!


Glenn F.



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LenNH

05-04-2008 08:57:08




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 Re: H with no power in reply to hvacpro85, 05-04-2008 07:25:16  
Clogged air cleaner and air passages could be a problem. I have had problems with carbs that have sat for a long time with old gas in them--it seems to clog the jets. Still, you have an adjustment that might get around this problem.
There should NOT be black smoke--this indicates too rich a mixture. Whether this would kill the engine, I do not know.
A technique that used to be suggested way back when was to turn the main jet needle in until the motor began to slow down, then turn it out until you got the same result. Turning it back in about half way would give you a good mixture.
Be sure if you try this NOT to screw the mixture needle in tight. It is probably brass, and if it is screwed in tight, you will make a "ring" in the smooth taper of the needle. After this, adjustment is very difficult. Just turn the needle in until you feel a little resistance, then start backing it out.
Is your mag or ignition timing correct? Does the governor seem responsive?

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El Toro

05-04-2008 08:38:53




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 Re: H with no power in reply to hvacpro85, 05-04-2008 07:25:16  
Open the main jet screw at the bottom of the carburetor, this will enrich the fuel mixture. Hal
PS: Try one full turn counter-clockwise.



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Gerald Culverwell

05-04-2008 07:54:16




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 Re: H with no power in reply to hvacpro85, 05-04-2008 07:25:16  
Check your air cleaner and air passage ways,



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