Re: SMTA oddity

Posted by Wardner on September 17, 2006 at 00:37:04 from (4.154.242.58):

In Reply to: SMTA oddity posted by DJL on September 16, 2006 at 22:26:44:

I wouldn't be surprised if a solinoid gas valve was plumbed into the pipe plug thread on the manifold above the carbureter. I always wondered what it was there for. I assumed it was a port for a vacuum guage. Screwed into the solinoid was probably another valve that allowed adjustments. A constant load would not require governor control.

The solinoid valve would be on or off depending on adequate oil pressure, coolant temperature, and over or under engine RPM limits. Once the solinoid lost its juice, even momentarily, it would slam shut. The same circuit would also kill the ignition. All one would have to do to drive away is disconnect the NG hose, flip a few toggles, and turn on the gasoline.

The NG had to have come from a pipeline. LNG is too difficult to store or move for this application. It is a cryogenic gas.

If the switches and sensors were installed in a workman-like fashion, I would leave them. They add interest to the tractor. They could be removed in a matter of minutes with wire cutters and an adjustable wrench. I can't see how they would devalue the tractor.

Replies:

• Re: SMTA oddity Wardner 00:47:31 09/17/06 (0)

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