Petter A1 Manual
Items 1 - 96 of 285 - Fuel Filter, Cartridge Type fits Belle, Benford, Kohler, Lister Petter. Exhaust Silencer (Body Only) for Petter A1 AA1 AB1 Engines - Part of.
He then began developing and teaching his own understanding of the Enneagram in the United States in the early 1970s, influencing others including some Jesuit priests who adapted the Enneagram for use in Christian spirituality. 
Among Naranjo's early students there are also differing understandings of Enneagram theory. Numerous other authors, including Helen Palmer,, and, also began publishing widely read books on the Enneagram of Personality in the 1980s and 1990s. Ichazo disowned Naranjo and the other teachers on what he felt were misinterpretations and uses of the Enneagram.
Recently I was given this little Petter. I can't say I'm a big fan of this type, but it is now running well enough.
Petter A1 Manual Pdf
The governor no longer sticks wide open. And it controls the speed, but is still unwilling to react to a load. I need to tinker with it more, but I plan to restore the engine over winter, or early next year.
This is a series 2 A1 from about 1948, it needs a new silencer, piston rings and a propper gasket set. I can see it has cardboard gaskets and a lot of gasket sealer oozing out.
Petter A1 Engine Manual
Other than that it's a good solid engine and might make a useful little workhorse once restored.