Synergy 8009-30 - Jeep JK Front Axle Outer Shell Kit - Manual (Page 5)

10. Prepare the outer tube shells by deburring the inside of the laser cut edge, make sure
there is no slag from the laser cut edge on the inside of the tube and the inside of the
holes. Grind a chamfer on the outside radial edges of both ends of the tube shells for
a V groove to weld the outer tube shell to the cast center and inner C. Grind a
chamfer for clearance of weld bead at the center section in step 9.