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Case Tractors Discussion Forum
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Crank starting a model L

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dlp

03-07-2004 18:10:42




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Everything looks to be in time & ready to start, but I don't think I have the correct sequence to fire it off. Could someone give me some pointers?




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ted

03-08-2004 15:32:17




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 Re: Crank starting a model L in reply to dlp, 03-07-2004 18:10:42  
Here is a good way to cheat. If you have another tractor, that runs, with a belt pulley, hook it up pulley to pulley. Now, depending upon how your pulley on the other tractor is mounted you may have to put a twist in the belt to get the right rotation. Then just start your other tractor put your pulleys in gear and ease forward on your clutch. No broken body parts this way :>)



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Brian in Ohio

03-08-2004 10:08:49




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 Re: Crank starting a model L in reply to dlp, 03-07-2004 18:10:42  
My L generally starts with two choked cranks, and two open. If it doesn't at least fire by the sixth crank, it ain't gonna. Same way with my C. To date, knock on wood, neither one has kicked me, but I always keep my distance. Now, my 12-20, that is different story. The crank comes off of the end of the shaft, and when it kicks, it'll throw that crack off, spin it around in your hand, and hit you upside your head. (Experience talking here.) Do that too many times, and you'll end up talking like Cy Kosis. =)

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RobertTX

03-08-2004 06:06:56




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 Re: Crank starting a model L in reply to dlp, 03-07-2004 18:10:42  
One key item to safely hand cranking is to have the spring in the crank assembly working. As I pull through the compression stroke, I pull my hand away when it passes TDC. If the spring is working properly, it will disengage the crank and it cannot come back at you even if the engine kicks. I have started them with the timing advanced too much and actually had it run backwards for two or three hits. With the crank disengaged, it was not a big deal.

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Allan C

03-07-2004 19:58:26




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 Re: Crank starting a model L in reply to dlp, 03-07-2004 18:10:42  
I reccomend a more conventional approach. Be sure that the timing is such that the impulse is firing just a hair after Top Dead Center. Give it 2 pulls with choke. Then choke off it should go in the next 4 - usually on the third one so be ready. If you have any suspicions it might backfire keep clear of the crank and be ready to jerk your arm away fast. A good method is to hold onto the left tire ( right from the front) and pull the crank over the top towards you. Then your not directly infront of the crank if it tries anything.

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Bob

03-07-2004 22:22:03




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 Re: Re: Crank starting a model L in reply to Allan C, 03-07-2004 19:58:26  
I agree with Allan's cranking method. I was taught it over 50 years ago and use it for my C and L

I was at a tractor show a few years ago. Saw someone trying to crank a L. Had his hand right around the handle and was really winding it. I warned him what would happen if it kicked, but he did not want to know. Next crank, it did just that, and threw him about 6 feet.

Also agree with trying to get the timing right first.

Bob

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Dr Cy Kosis

03-07-2004 19:06:01




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 Re: Crank starting a model L in reply to dlp, 03-07-2004 18:10:42  
My advice would be to use another tractor to pull start it the first time to make sure its really in time.

I've had 'em in time (I thought) before and had missed. They can backfire quite violently if they are out, and I wouldn't want to risk being fitted for a custom cast if by chance I was wrong. 403 cubic inches packs a wollop you wouldn't soon forget. My Ls never got me, but the C has. Judging form what 260 cubes kicks like, I sure don't want to find out what the big mule has.

If its all right on, it should start right up, if not it will sure let you know it. If everythings ok then try to hand start it.

I'd pull it with it fully advanced, but by hand you'll want to retard it. Start it with the throttle set just above idle, the govenor will be fully open at start up anyway. Mine has the old Kingston brass carb and likes 1 crank with full choke, then no choke if its not real cold. Each tractor will be a little different. If mine hasn't started in about 5 cranks it ain't gonna. It floods so easily compared to my C, that wants to be upended and have the manifold poured full. When it does flood, I turn off the petcock, drain the carb and start it "dry" with the choke fully on to clear the fuel out of the manifold, then start it normally on half a bowl of fuel, turning the petcock on after it starts running. Mine usually starts on 1st or second crank after 1 stroke of choke to set it up.

I also cheat in that I stand on the opposite side and push downward on the crank with my foot, rather than pull up with my hand. That might be hard for someone depending on their height, Ls are pretty tall. I can imagine some folks might try to tell me why I shouldn't use my foot, but thats how some old heads taught me to do it. After doing it for a while it seems awkward to try to hand crank it now.

Let me know if I can be of anymore more detailed help.

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DKase

03-08-2004 06:04:46




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 Re: Re: Crank starting a model L in reply to Dr Cy Kosis, 03-07-2004 19:06:01  
Hey Doc, How good are you at setting broken legs? If that Mule kicks with your foot on the crank you could end up with a flopping fibula!! If I am starting a tractor that has just been retimed or overhauled I remove the spark plugs and belt it up to another tractor. Run it till it has good oil pressure. Replace the spark plugs and start it with the belt. Make sure the timing is exactly where you want it before you crank start it.

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Dr Cy Kosis

03-08-2004 07:06:54




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 Re: Re: Re: Crank starting a model L in reply to DKase, 03-08-2004 06:04:46  
An arm or a leg either one is gonna hurt, take your pick I guess. I agree with you with belting one up. Not everyone is equipped to do it. I suggested pulling it as an easier near foolproof alternative.



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Klyde

03-08-2004 10:34:54




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 Re: Re: Re: Re: Crank starting a model L in reply to Dr Cy Kosis, 03-08-2004 07:06:54  
I live in upstate NY, we always used the Hill method of starting after puting a mag back on. Usually can do that by yourself, inless you screwed up the wires or the timing.



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