Have you read the article in the link below?
Injection Pump Won't Pump Fuel
Thanks. I pulled the plungers Sunday and cleaned them. I think that may be why I'm getting some fuel now on #1. The cranking sound is different now. I posed a video:
Yanmar YM 3110D Crank Attempt After Fuel Line Bleed - YouTube
Btw thanks for having a great source of parts for these tractors