Re: Re: How to get a piston un stuck?

Posted by WARNING: BE CAREFUL -Andy Martin on November 13, 2000 at 09:19:11 from (38.31.74.53):

In Reply to: Re: How to get a piston un stuck? posted by Chris Auer on November 11, 2000 at 21:42:41:

The proper procedure for cranking an engine to avoid injury is to ONLY lift the crank.

The proper procedure for cranking an engine to AVOID INJURY is to ONLY lift the crank. Never go all the way around. NEVER push down on the crank, not even for a short distance. WHEN (NOT IF)the tractor fires before TDC and spins backwards with your palm on the top of the crank it will break your arm and maybe dislocate your elbow or shoulder. This is a very real danger! It may take you 1 crank or it may take you hundreds of cranks over many years to get hurt, but when it happens, you will be hurt and it is unnecessary!

The crank is designed to not turn with the engine if the engine starts. In fact you should only use your fingers to lift the crank. They will open and only be sore if the engine decides to spin backwards.

A tractor in good shape can be easily started by lifting the crank two to four times slowly. It is about 1/4 turn for the engine each lift.

I was looking at two F-20's south of Stillwater Ok that two brothers farmed with. This was 1969 or 1970. The brothers were in their 60's or 70's, the tractors less than 40. I asked about the absence of electric start. They replied "if she don't start on the third quarter, fix it". I had to be a pest to understand that statement. Three quarter turns. My hand crank A sometimes starts on the first pull, usually on the second, and 99% of the time it is running with the third pull.

I have a C with low compression and a bad battery. When I have to hand crank it, I sometimes succumb to the urge to "windmill" it, around and around because it has never kicked back, yet. I know I am risking a broken arm.

Keep the tractor tuned up and it is a joy to hand crank one.

Follow Ups:

• Re: Re: Re: How to get a piston un stuck? Canadian Cowboy 18:38:36 11/13/00 (0)

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