Crack in arm of Dewalt RAS Model 1030

Messages
51
Location
Stafford, VA
Before I proceed any further with this saw, I wanted to find out if the crack in the cast iron arm of this saw can be repaired successfully, or should I scrap it and use the rest of the saw for parts. Here's a pic to show the magnitude and location of the crack. Any help is greatly appreciated. Frank
ArmCrack.jpg


As you can see, the crack starts from the bottom of the arm at the location where the arm fits over the column.
 
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