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The ACMOC really are the experts -- their discussion board is open to the public and it's interesting reading. Anyway, on the D6 at least, once you get your pony running well, without choke and warmed up make VERY VERY sure your transmission is in neutral. With the diesel throttle shut and compression release open (start position) let the pony idle down low and apply the clutch/brake lever -- you'll probably have to use some force, but don't abuse it either. With the clutch/brake in the brake position, engage the pinion gear -- this gear meshes the pony flywheel with the diesel flywheel. Like anything else, it takes familiarity with your machine to avoid grinding or stalling out the pony. Once the pinion is engaged, let the pinion gear handle flop back down out of the way, speed up your pony a bit and release the clutch/brake. Your diesel should start rolling over. Let the diesel roll over a while and make sure you develop oil pressure within a minute or so. Now the expertise part: Depending on how sound your diesel is, the temperature, and how the old cat feels that day, the diesel will require more or less time on the pony to fire. I usually let the diesel roll over without compression at about half pony throttle for at least a few minutes in cool weather, at least five minutes if below freezing. If it's above 45 or so, I'd say you would be fine opening the diesel throttle about half way and watching the stack for little white puffs -- if you have them, just throttle up the pony and close the compression release (run position) and your diesel should fire off. If below 45 or so I usually have to throttle up the pony and close the compression release with the diesel throttle still closed and crank against compression for a minute or so -- then just open the diesel throttle and away she goes. In either case, once your diesel is running DO NOT DO NOT DO NOT just shut off the magneto switch to the pony -- idle it down and shut off the gasoline flow. The pony will run fine even though the diesel is running -- this will drain the carb. of fuel and avoid a common problem of liquid fuel passing the rings and diluting the crank oil. Once the pony starves out, shut off the mag and you're in business. Hope this helps.
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