Abstract: A pre-chamber for a fuel injector is disclosed. The pre-chamber includes a cylindrical body member extending axially from a first end portion to a second end portion opposite to the first end portion. The pre-chamber further includes a bottom plate located proximal to the first end portion of the cylindrical body member. The pre-chamber also includes a sacrificial member extending axially outwards from the second end portion of the cylindrical body member.

Abstract: A method of remanufacturing a prechamber assembly includes determining a width W of an original circumferential weld bead that extends around and joins a proximal end of an outer peripheral wall of a prechamber housing and a distal end of an outer peripheral wall of a body assembly, cutting through the weld bead in order to separate the prechamber housing from the body assembly, and removing material from an outer peripheral portion of a distal end portion of the body assembly. The method includes removing the material in an axial direction parallel to the central axis of the prechamber assembly for a distance that is from 2.5-3 times the width W.

Abstract: A method of remanufacturing a fluid end block of a well stimulation pump includes cleaning an interior surface of a body of the fluid end block. The interior surface defines a chamber, a plunger passage in communication with the chamber, an intake passage in fluid communication with the chamber, and a discharge passage in fluid communication with the chamber. The interior surface is made from a base material. The interior surface of the fluid end block is cold-worked to produce a compressive residual stress layer within the body. A coating layer made from a non-metallic material is applied to at least a portion of the interior surface of the body. The non-metallic material is different from the base material.

Abstract: A method for remanufacturing of a flywheel is provided. The flywheel has a damage area thereon. The method includes removing a portion of a material from a face of the flywheel containing the damage area to form a recessed portion, wherein the recessed portion has a ring shaped profile. The method also includes aligning an insert within the recessed portion of the flywheel, wherein the insert is ring shaped and is configured to fit within the recessed portion of the flywheel. The method further includes coupling the insert within the recessed portion of the flywheel.

Abstract: A method for repairing a rocker arm including smoothing out a bore in an injector arm of the rocker arm to remove at least a portion of worn threads within the bore, and securing a threaded insert within the bore. The threaded insert may include threads on an internal surface of the threaded insert, a smooth portion on an external surface of the threaded insert, and a flange on an end of the threaded insert.

Abstract: The present disclosure is related to a method of determining a height of an upper surface of an insert relative to a top deck surface of a cylinder block. The method includes detachably coupling a fixture to the top deck surface of the cylinder block. The method also includes disposing a dial gauge on the top deck surface adjacent to each of a plurality of notches defined in the fixture. The method includes inserting a probe of a dial gauge through each of the plurality of notches to contact each of corresponding portions of the upper surface of the insert. The method also includes determining local heights of the upper surface of the insert relative to the top deck surface at the corresponding portions of the upper surface. The height of upper surface of the insert relative to the top deck surface is determined based on the local heights.

Abstract: A cylinder block of an engine is provided. The cylinder block includes a top deck. The cylinder block also includes a cylindrical surface defining a bore extending from the top deck along a longitudinal axis. The cylinder block includes a shoulder portion formed on the top deck. The top deck includes an abutment surface. The cylinder block further includes an insert disposed in the shoulder portion. The insert includes an outer surface adapted to fuse with the abutment surface of the shoulder portion. A predetermined force and a predetermined electric current are applied to the insert for fusing the outer surface of the insert with the abutment surface of the shoulder portion.

Abstract: A method of remanufacturing a rocker arm having a body defining a socket portion is disclosed. The method includes machining the socket portion to remove a worn surface and form a seat configured to receive an insert member therein. The method further includes disposing the insert member within the seat and coupling the insert member to the seat.

Abstract: The present disclosure relates to a method of checking an alignment between a first gear and a second gear using a tool is provided. The tool includes a base portion defining a longitudinal axis and an elongate portion extending from the base portion along a transverse axis perpendicular to the longitudinal axis. Further, the second gear is received in an inner bore of the first gear. The method includes inserting at least partially the base portion of the tool within an inner bore of the second gear. The method also includes inserting a first pin extending from the elongate portion within a space between adjacent teeth of the first gear. The method further includes determining that the first gear is aligned with the second gear if a second pin extending from the elongate portion is received within a space between adjacent teeth of the second gear.

Abstract: A method for remanufacturing of a flywheel is provided. The flywheel has a damage area thereon. The method includes removing a portion of a material from a face of the flywheel containing the damage area to form a recessed portion, wherein the recessed portion has a ring shaped profile. The method also includes aligning an insert within the recessed portion of the flywheel, wherein the insert is ring shaped and is configured to fit within the recessed portion of the flywheel. The method further includes coupling the insert within the recessed portion of the flywheel.

Abstract: A method for repair of a cylinder block including a water ferrule having damage in an area proximate to the water ferrule is disclosed. The repair method includes removing material from the area containing and surrounding the damage. The method also includes providing a counter bore sized to surround the removed material. The counter bore is configured to define a seat at the one end of the water ferrule. A sealing member is aligned and introduced into the seat of the counter bore. The method includes aligning a stepped insert coaxially with the sealing member and the seat. The method also includes a step of introducing the insert into the seat of the counter bore to form an interference fit therewith. The method further includes providing a seal formed by a combination of the sealing member and the insert within the seat of the counter bore.

Abstract: A method for repairing a rocker arm including smoothing out a bore in an injector arm of the rocker arm to remove at least a portion of worn threads within the bore, and securing a threaded insert within the bore. The threaded insert may include threads on an internal surface of the threaded insert, a smooth portion on an external surface of the threaded insert, and a flange on an end of the threaded insert.

Abstract: A method of remanufacturing a rocker arm having a body defining a contact surface is provided. The contact surface is configured to engage with a braking member and having a worn portion thereon. The method includes machining the contact surface to remove the worn portion and to form an opening configured to receive an insert member therein. The insert member includes an upper surface configured to engage with the braking member. The method further includes coupling the insert member to the opening.

Abstract: A method of remanufacturing a rocker arm having a body defining a socket portion is disclosed. The method includes machining the socket portion to remove a worn surface and form a seat configured to receive an insert member therein. The method further includes disposing the insert member within the seat and coupling the insert member to the seat.

Abstract: A method of remanufacturing an engine block is provided. An insert is removed from a recess in a top deck of the engine block that surrounds a cylinder bore in the engine block. A used cylinder liner is removed from the cylinder bore. The used cylinder liner has a flange on an upper edge thereof having a first thickness. The recess in the top deck of the engine block is cleaned. A replacement cylinder liner is positioned in the cylinder bore. The replacement cylinder liner has a flange on an upper edge thereof that is received in the cleaned recess. The flange of the replacement cylinder liner has a second thickness that corresponds to the sum of the first thickness and the depth of the cleaned recess.

Abstract: A method of remanufacturing a component having a heat treated hardened layer over a substrate material is disclosed. The method includes removing at least the heat treated hardened layer of the component to expose the substrate material. The method also includes providing a cladding material on the substrate material. The method further includes melting the cladding material via a laser beam to form a single layered coating with hardness greater than or substantially equal to hardness of the heat treated hardened layer, on the substrate material.

Abstract: A method for repair of a cylinder block including a water ferrule having damage in an area proximate to the water ferrule is disclosed. The repair method includes removing material from the area containing and surrounding the damage. The method also includes providing a counter bore sized to surround the removed material. The counter bore is configured to define a seat at the one end of the water ferrule. A sealing member is aligned and introduced into the seat of the counter bore. The method includes aligning a stepped insert coaxially with the sealing member and the seat. The method also includes a step of introducing the insert into the seat of the counter bore to form an interference fit therewith. The method further includes providing a seal formed by a combination of the sealing member and the insert within the seat of the counter bore.

Abstract: A method for repairing a cast component having a damaged area is provided. The method includes scanning an area adjacent to the damaged area to create a scan. The method includes forming a dam with a void. The void has a profile corresponding to the scan. The method includes positioning the dam adjacent to the damaged area. The method includes heating the cast component. The method includes introducing a repair material into the dam. The method also includes cooling the cast component. The method further includes removing an excess material from the cast component.

Abstract: The present disclosure relates to a method of checking an alignment between a first gear and a second gear using a tool is provided. The tool includes a base portion defining a longitudinal axis and an elongate portion extending from the base portion along a transverse axis perpendicular to the longitudinal axis. Further, the second gear is received in an inner bore of the first gear. The method includes inserting at least partially the base portion of the tool within an inner bore of the second gear. The method also includes inserting a first pin extending from the elongate portion within a space between adjacent teeth of the first gear. The method further includes determining that the first gear is aligned with the second gear if a second pin extending from the elongate portion is received within a space between adjacent teeth of the second gear.

Abstract: The present disclosure is related to a method of determining a height of an upper surface of an insert relative to a top deck surface of a cylinder block. The method includes detachably coupling a fixture to the top deck surface of the cylinder block. The method also includes disposing a dial gauge on the top deck surface adjacent to each of a plurality of notches defined in the fixture. The method includes inserting a probe of a dial gauge through each of the plurality of notches to contact each of corresponding portions of the upper surface of the insert. The method also includes determining local heights of the upper surface of the insert relative to the top deck surface at the corresponding portions of the upper surface. The height of upper surface of the insert relative to the top deck surface is determined based on the local heights.