US 12,337,397 B2
Apparatus, systems, and methods for engine dowel installation
Larry C. Valentine, Berryton, KS (US); Ryan L. Kimberlin, Meriden, KS (US); and Mike E. Teaford, Topeka, KS (US)
Assigned to BNSF Railway Company, Fort Worth, TX (US)
Filed by BNSF Railway Company, Fort Worth, TX (US)
Filed on Aug. 4, 2023, as Appl. No. 18/365,579.
Application 18/365,579 is a division of application No. 17/203,019, filed on Mar. 16, 2021, granted, now 11,752,561.
Prior Publication US 2023/0373015 A1, Nov. 23, 2023
Int. Cl. B23B 47/28 (2006.01); B23B 35/00 (2006.01); B23B 41/12 (2006.01)
CPC B23B 47/288 (2013.01) [B23B 35/00 (2013.01); B23B 41/12 (2013.01); B23B 2215/24 (2013.01); B23B 2247/00 (2013.01); B23B 2247/12 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A method of fabricating holes in a locomotive engine, the method including the steps of:
selecting either a conductor-side jig configured to accommodate locomotive components on a conductor-side of a locomotive engine or an engineer-side jig to accommodate locomotive components on an engineer-side of a locomotive engine;
coupling the selected drill jig having a first member and a second member with at least one opening, to a base of the corresponding side of the locomotive engine, wherein the first member is located a pre-determined distance above the second member and the second member is configured to engage the engine base, wherein the second member includes a jig bolt hole configured to overlay an engine mounting bolt hole;
coupling a bushing having a cavity configured to receive a drill bit with a first opening in the second member; and
drilling a hole in the engine base via a drill positioned on the second member.