Keith_J

Idle speed is set by the accessible adjustment on the accelerator input to the injector pump. The high speed adjustment should be capped off, sealed with a copper wire and lead seal.

The vent on the engine breather is normal, that is the vent for the fuel tank and the brake system. The brake system vents were moved from the engine breather due to the bad effects of fuel+engine vapors on the brake system.

rneely

Why can't you just pull the throttle out more until it idles at a higher rpm?

rosco

To check for air leaks on the suction side of the turbo, use some little sniffs of starting fluid - the engine will speed up when you find it. This, of course, doesn't work on the pressure side.

Lee in Alaska

army70deuce

Thanks for the help figuring out what everything was. In response to the other question no I'm not IT, I'm an EOD Officer, we're used to very detailed instructions with very precise pictures. I will let everyone know how it turns out after I've adjusted the idle speed.

army70deuce

As a very late response, the rpm issue had to do with the injector pump. The half moon shapped rocker that holds against the max and min screws kept slipping because its splined hole was worn and kept slipping on the shaft. Link below has a better description, though not up to my usual picture standards.

Engine Idle Set Screw adjustment