That's easy enough to check -- and it doesn't sound like the governor is likely, I hope.
On Wed, May 5, 2010 at 9:08 AM, Dieselhead <126die...@gmail.com> wrote: > This might be a wild, outside chance... Has someone removed the little flow > restrictor between the vacuum pump and the shutoff circuit? If somehow the > shutdown is getting too much vacuum, it can restrict RPM. THis does not > explain the sudden "on" of the situation, or why opening the fuel system > cures it. But, it is easy enough to pull the vacuum line off the shutoff > and try that for 2K or so. Plugged tank vent explains why the situation is > ok after opening the fuel system. > > A less desirable possibility is the governor on the pump. I had one on a > 603 that would suddenly go slow. When restarted, it would be ok, then go > slow. In that situation, the governor deteriorated so fast that within 30 > min or so, the engine would fire a few times, and the governor would slam > the rack shut. So, the result was that the engine would start normally, > fire for a revolution or two and then die. > >> >> > -- OK Don Panic! (the national past time). _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
