thx for the tip...

I ended up working the hb back and forth on the crank using a puller, and then the bolt with big washer to get it close.

Then with the hb about 1/2 way on the crank, I pounded on one of the cut-outs to get the recesses lined up.

then drew it in all the way with the bolt and washer.

from there I just carefully tapped in the new dowel pins.

the pins I got had a chamfer at the end to help get it locked initially. then a few careful taps to get it started. and then more aggressive knocks to get it to full seat.

once they were about 1mm raised from the hb, I took my dremel with a disc and carefully adjusted the pins flush.

I almost did it the other way. I guess there is always next time.

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1983 300CD Turbodiesel