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Farmall & IHC Tractors Discussion Forum
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What are tips for starting cold weather H

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Randy_NE

12-19-2005 06:17:16




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I have my H home now in a un-heated garage. (got real spoiled in my neighbors heated shop).
It has been converted to 12 volt and it pops right off on the first crank, until this cold spell. I have never had to choke it since it starts so well.
Now since the cold spell it fires up for a few seconds then dies, anymore cranking and gas leaks out from the carb like it it getting to much gas and flooding.

Any tips?

Randy

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john d

12-19-2005 16:42:15




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 Re: What are tips for starting cold weather H in reply to Randy_NE, 12-19-2005 06:17:16  
They each have their own personality! My old '43 H needs about 1/2 choke to start when it's really cold, then a little less after it starts. My '49 M wants NO choke until it fires, then it wants choke, and fast! My '52 SM wants no choke until it's nearly 0 degrees, then only a little, and likes to run just above idle for a couple of minutes before it wants to do anything.

One thing I haven't heard mentioned on this board for a long time is the cold-weather trick of opening the throttle just slightly AFTER the engine is shut off, and leaving it that way until it's started the next time. Under humid conditions and temps that drop below freezing, condensation can form on the throttle plate and freeze it in the closed postion. That can make starting the next time a real challenge.

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Hugh MacKay

12-19-2005 15:11:35




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 Re: What are tips for starting cold weather H in reply to Randy_NE, 12-19-2005 06:17:16  
Randy: Most folks in the beginning tend to over choke those 4 cylinder gas Farmalls. It's a case of more or less feathering it, just enough choke to keep it running for first two min. Just a corordination between ear and hand. Listen to your Farmall, you will soon get the hang of it.



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Fluggie in Ia

12-19-2005 09:58:57




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 Re: What are tips for starting cold weather H in reply to Randy_NE, 12-19-2005 06:17:16  
My H starts just like Eric B's. just gotta try it a couple times before it keeps going. I do have to keep the choke out a bit until she is warmed some, tho. I do have a tank heater and it IS worth every bit of work to install it. When I plug her in for a few minutes, she pops right off like summer and just needs a little choke for the cold carb but only a few seconds instead of minutes. It is so much easier on that old engine to warm it up with he block or tank heater.

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Bob M

12-19-2005 07:50:09




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 Re: What are tips for starting cold weather H in reply to Randy_NE, 12-19-2005 06:17:16  
Sounds like you're overchoking it! In cold weather mine always start easily like this:

Give it about 1/3 throttle and pull the choke fully out. Now hit the starter. As soon as the starter begins rolling the engine (1 - 2 crank revolutions max) push the choke fully back in. The engine will fire and should continue to run at a few seconds. If it stumbles, as quickly as possible pull then release the choke again. You may need to repeat the "pull & release" step several times until the engine settles.

Key is to minimize the "choke out" time!

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Hugh MacKay

12-20-2005 01:38:15




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 Re: What are tips for starting cold weather H in reply to Bob M, 12-19-2005 07:50:09  
Bob: That is about as good as one can describe how to do it with those pre 1958 gassers. I have used that proceedure since I was 10 years old. Each one will be a bit different.

I know my Super A is very sensitive to too much choke, needs even less than your description at start of cranking, then it's just enough to keep it running for about 2 min. My 130 on the other hand will take the two revolutions of starter, and it fires up so quick you really never get the choke in, it will then sit there for about 3 min idleing with about 1/2 choke. I can never leave the SA on 1/2 choke, I must stand there and feather it. I remember my 300 was closer to 130 habits than SA.

My 140 is completely different, only post 58 gas Farmall I ever dealt with in winter. With that one you hold the choke full out for about 25 revolutions of starter, longer if cold enough. After it fires up it requires very little choke to keep it running. Supposedly the same little engine but with the Marvel carb, the starting habits are completely different

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Randy_NE

12-19-2005 08:01:51




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 Re: What are tips for starting cold weather H in reply to Bob M, 12-19-2005 07:50:09  
I will give that a try, pulling the choke first, then cranking and pushing it back.
When gas comes out the carb that means it's flooded right?

Randy



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Bob M

12-19-2005 08:19:49




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 Re: What are tips for starting cold weather H in reply to Randy_NE, 12-19-2005 08:01:51  
Yes indeed Randy!



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EricB

12-19-2005 07:29:06




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 Re: What are tips for starting cold weather H in reply to Randy_NE, 12-19-2005 06:17:16  
Randy:
I find that starting techniques vary with the weather. Each engine is a bit different. Point gap, Plug gap, Timing and mixture all vary a bit. In cold I find my W4 (same engine) with rev up then die. I start it again and it usually goes Ok but sometimes needs a 3rd try, and I usualy have to pump the choke once it fires to find the right spot for that day. In summer it goes first time.
If you want ot put a block heater in. I have installed a small one on the left side in the water jacket plate. You can just slip one in between #2 and #3 cylinder walls. Takes 15 minutes even in the coldest weather to bring it right up to cozy warm.

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EricB

12-19-2005 07:29:04




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 Re: What are tips for starting cold weather H in reply to Randy_NE, 12-19-2005 06:17:16  
Randy:
I find that starting techniques vary with the weather. Each engine is a bit different. Point gap, Plug gap, Timing and mixture all vary a bit. In cold I find my W4 (same engine) with rev up then die. I start it again and it usually goes Ok but sometimes needs a 3rd try, and I usualy have to pump the choke once it fires to find the right spot for that day. In summer it goes first time.
If you want ot put a block heater in. I have installed a small one on the left side in the water jacket plate. You can just slip one in between #2 and #3 cylinder walls. Takes 15 minutes even in the coldest weather to bring it right up to cozy warm.

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Brian Schmidt

12-19-2005 07:24:46




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 Re: What are tips for starting cold weather H in reply to Randy_NE, 12-19-2005 06:17:16  
No way to properly tell you how to start your Farmall. Every one is different. Some like full choke and some don"t want any choke or they flood. It depends on the condition of the carb, ignition, compression, air cleaner. I have 14 of these and every one is a little different when it comes to starting them in the cold.



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billyiron

12-19-2005 07:14:40




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 Re: What are tips for starting cold weather H in reply to Randy_NE, 12-19-2005 06:17:16  
Id get a coolant heater for it, plug it in for couple hrs and itll go easy,,my two cents,,,billy



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Steven@AZ

12-19-2005 06:52:36




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 Re: What are tips for starting cold weather H in reply to Randy_NE, 12-19-2005 06:17:16  
Mine has always required full choke until it fires, right after it fires you need to open the choke, and like already stated, feather it until it warms up a bit.

Has always been funny to me, because the 544 gas requires full choke until it's running, then slowly reduce choke to about 1/2 and leave it that way for 5 mins. H seems to be all or nothing.



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Don L C

12-19-2005 15:06:00




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 Re: What are tips for starting cold weather H in reply to Steven@AZ, 12-19-2005 06:52:36  
Steven@AZ ---

You have yours set just right....the carb should be lean and need far less air at startup time.....

My H right off from idel no choke any time .....OK to show off or playing around but too rich for working.....Don LC Oh.



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Nat

12-19-2005 06:22:43




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 Re: What are tips for starting cold weather H in reply to Randy_NE, 12-19-2005 06:17:16  
In cold weather, it's not unusual to have to feather the choke a few times while the engine is getting warmed up.

When it sputters and starts to quit, just give it a quick blip of choke, and it should catch and run.



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