|Gun Port Lid & Post Assembly||Printable Version of Instructions|
Gun Port Lid & Post
Piece of Maple .218" by .265" by 4 5/8".
Pick up the two reference edges X and Y. Make a note of the numbers. Move the table 1.00" along the X axis.Move the saddle .375"along the Y axis. Always move in the same direction to take up the backlash. This intersection will be the location of the first hole. Centerdrill and drill a clearance hole through the block.Use a #28 drill(.140"Dia.). Now counterbore the hole for the barrel of the T-nut.
Use a #20 drill (.161"Dia.)drilled .187" deep.
will be a typical procedure for the remaining nine holes.Follow the
drawing and location
chart for the rest of the holes. That will be the bottom of the block.The
recesses for the Port
Lid Posts will be milled in next. For clarification, I will supply a dimensional
chart, and drawing. The recesses are for the Port Lid Posts,#
96 Corel Victory SM23. They are 10 mm square (.394"). There
will be five at 1.00" intervals.And centered on the holes drilled
for the clamp screws.