Yanking on the crank?

I am thinking about getting an old tractor, a Lanz Bulldog, and they are crank started. I've heard its very dangerous to hand crank, and if you don't do it right it could break your arm. What are the proper procedure for yanking on the crank of your machinery.

Answers:
Well, here's what you do, you start out slow and carefully, you don't want to rip anything apart when it is cold. Then gently and with a motion and rhythm you slowly pull and push, lifting and pushing, again, and again and again. Gradually in crease your speed, keeping your rhythm you will start to notice that it has warmed up and it begins to purr - so to speak. Now, as things begin to really warm up inside and ever thing is lubricated from your cranking you give it a little less force and go with the flow, once you find that sweet spot, you are almost there. FINALLY, once you are very tired and sweaty from your exertions and your arm is sore it will come to the point that it will erupt into life as all the spark plugs fire.

Grew up on a farm and had A LOT of experience working with farm equipment. :)
I don't know, but these damn questions of yours are getting me all..well, you know.
make sure you crank it with just one hand. if it backfires, that arm will be broken. if you cranked it with both hands, both arms will be broken. if you have one broken arm, you can still crank with the other. it will feel kinda funny at first, and will probably take a little longer to get started. but once you get it fired, that's all you need, just one shot.
There really is no special proceedure, however you will want to keep the assembly where the crank handle connects to the crankshaft, WELL LUBRICATED!, this will help to ensure that the handle disengages when the engine fires.

Also you should keep a FIRM grip on the handle when turning it.

Last and most importantly DO NOT LEAN over the crank when turning it. the danger of breaking your arm has been blown out of proportion.
Not that that couldn't or hasn't happened.(mostly when someone was disatracted and didn't have a firm grip).

The real danger of leaning over the crank is that if it does come back at you while you are leaning over it, it can hit you in the mouth or face and will knock teeth out or worse.

One last word, don't be afraid of it, if you are, don't buy it. Respecting the power of your tools is one thing, fear of them is more dangerous than over confidence. Good Luck
Sounds like Airplanegirl has had LOTS of experience with machinery other than the farm variety as well : - )

Keep cranking Airplanegirl. I'm. almost.. THERE!

Whew! Smoke 'em if ya got 'em!

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