Problems starting IH 1456

Shazaam

New User
I have an IH 1456 tractor that has always been an excellent cold weather starter. A few days ago, I tried to start the tractor on a 60 degree day and couldn't get it to fire. I gave it a small shot of ether and when it fired it made a loud "clunking" noise before starting. When it did start, it ran fine and sounded perfect. I tried to start it a few hours later and had to give it ether again with the same result. I have used ether on it before and it never made that kind of sound in the past.

The fuel has always leaked a bit from the tubes on the injection pump so I have been shutting off the fuel under the tank whenever I turn the tractor off. It does seem to be leaking more than usual though lately.

Any advise would be greatly appreciated. Thanks!
 
When you shut the fuel off the lines are probably still leaking out some.

So now it has air in the system when the fuel leaks out.

Air in fuel lines on a diesel are not good for starting.

Fix the fuel lines and leave the fuel on. Then report back as to how it starts.

It may not be the problem but it sure ain"t helping.
 
That nasty noise is the engine firing on pure ether. As you suspect, it's not good for the engine.

I agree with Gary. Fix the leaks. Should just be some O-rings if the leaks are at the fittings.

This is akin to complaining that your car is really hard to drive, but the tires are only flat on the bottom! In other words, ignoring the obvious.
 

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