I fastened a 1/4" drill to the glow plug and spun it in reveres.
The thread was just clear of the bore. It sounded like hell and got hot but after a couple of minutes out she came. I grabbed the plug and fried my fingers. Note to self. Never grab antthing that is smoking.
After removing blow all the dust out of the pre com chamber. I used a 1/8" copper tube fastened to my air gunand inserted right into the chamber. Air in dust out. I was hoping this would blow the dust out instead of into the engine ,seemed to work.

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1984 300SD turbo 126
"My true love"

God made me an atheist and who am I to question His wisdom