Tri Tool 620SB Clamshell Air - Manual (Page 26)

26
TRI TOOL INC.
92-0220 : Rev. 131230
Continue to rotate the Headstock through 360 O slowly, in order to verify that the
position of Tool Bit A allows .006” (.15 mm) minimum clearance between Tool Bit A
and the pipe surface at the closest point.
Readjust Tool Bit A if necessary.
Mark the pipe surface to define Tool Bit A’s closest approach to the pipe.
Continue to rotate the Headstock slowly.
Position Tool Bits B and C directly over the mark that you made to define the closest
approach of Tool Bit A to the pipe.
Rotate the Feed Sprocket until Tool Bits B and C make contact with the pipe
surface.
Back the Tool Holder off 1/4 revolution of the Feed Sprocket (approximately
.008”)(.20 mm) plus the desired land width.
Each revolution of the Feed Sprocket moves the Tool Bit .031” (.79 mm) toward or
away from the pipe.
Engage the Feed Pin by pushing the Tripper Shaft to the ‘in’ position.
Rotate the Headstock 360 O while checking the Feed Pin to the Sprocket
engagement.
Tool Bit Set-up