Abstract: A thin-walled valve guide insert for lining and relining a valve guide of an internal combustion engine includes opposing ends each having a tapered insertion section thereon. The tapered insertion section defines a reduced outer diameter to facilitate installing the insert into a valve guide bore have a nonchamfered opening, and further defines a reduced inner diameter so that the insert has a substantially continuous wall thickness throughout its length and thus maintains the structural integrity of the insert from end to end. In the preferred embodiment, the valve guide insert is made of a phosphor bronze material of about 0.018 inch thickness or less, and includes a lengthwise slit therein. The insert is sprung open longitudinally along the slit and must be radially compressed so that the insert defines a sufficiently small outer diameter so that it can be axially installed in a press-fit condition into the valve guide bore of the engine.

Abstract: A tool for removing the axle shaft from a wheel hub includes a ram and guide assembly that makes the job quick, easy, and safe. Two threaded adaptors connect the guide brace to the wheel's lug studs. A sliding ram, guided by the brace, transmits the blow of a sledge hammer squarely against the center of the axle shaft. The solid impact releases the force that tightly binds the axle shaft to the wheel's lug studs. The ram is made of a relatively soft mild steel to prevent damage to the axle shaft.

Abstract: This invention relates to an internal locking puller device which comprises three pivotally mounted jaws, a cam ring which engageably slides along the jaws for camming together and apart the jaws for locking about bushings, bearings, seals, and the like, a disk-like collar to which the jaws are pivotally mounted, a T handle for adjustably controlling the movement of the cam ring, a slide rod, and a slide hammer slidably and reciprocally mounted on said slide rod for providing impacting force to remove the bushings, bearings, seals, and the like. The jaws have arcuate rearward portions with a pair of arcuate rails integrally extending from and along under edges thereof. The rails conform to the configuration of the arcurate rearward portions of the jaws so as to provide uniform locking strength across the jaws to virtually eliminate slippage of the jaws from internally about bushings, bearings, seals, and the like.

Abstract: A pair of pivotably-joined jaws have a clamp, coupled thereto, for setting the jaws in a selected angular position therebetween and for preventing a pivotable widening thereof after the angle has been set. Too, one of the jaws has an anvil extending therefrom, and a slide hammer assembly, coupled to the anvil, causes percussive jarring of the jaws, in order to free up a stuck expansion tube from an evaporator line. Recesses formed adjacent terminal ends of the jaws engage ears of the expansion tube to enhance the grip thereon.

Abstract: A tool (1) for extracting expansion sleeves (2) of expansion anchor assembles includes an axially extending tubular shaft with a conical external thread (1b) at its leading end to be inserted into a borehole (9) in a structural member (3). The external thread tapers inwardly to the leading end. At its trailing end the shaft (1a) has a force applying member or members. The shaft (1a) has a central axially extending through hole (1d) for laterally enclosing an anchor bolt (4). After the expansion sleeve is relieved of expanding force by hammering the anchor bolt (4) into the borehole, the external thread (1b) on the extracting tool (1) is screwed into a gap between the anchor bolt (4) and the expansion sleeve (2). External thread (1b) cuts into the inner wall (2b) of the expansion sleeve (2) as the extracting tool is screwed in and, as a result, forms a positively locked connection with the expansion sleeve.

Abstract: A device for dislodging an object, for example a cap that is close fit over the top of a pipe, in which a handle and a grip, each formed to be held by the respective hands of a user, are interconnected with a weight member and an impact member, such as a pair of tongs. Slide bars fixed to the weight member are disposed through one end of the grip and connected to the handle. A shank is slidably disposed through the weight, connected to the grip on one side of the weight and to the tongs on the other side of the weight. The tongs include a plurality of pivotally connected links and are formed with elongate arms terminating distally with jaws formed to impact against a horizontally disposed surface of the cap. The tongs tend to close when freely suspended from the shank so as to slip over the cap on a pipe, contacting it from below the cap. Lifting of the handle impacts the weight against the grip to transmit a hammering force to the jaws, dislodging the cap.

Abstract: The device comprises a pole fastened to a handling and lifting apparatus arranged above the pool in which the fuel assembly is placed under water. The pole has at least one lower end part (32), the diameter of which is less than the inside diameter of the blocking sleeve (25). This part (32) is pierced with a central bore (40) and with at least two radial orifices (56), in each of which is located a retention claw (57). A rod (41) sliding in the axial bore (40) makes it possible to control the extraction of the claws. The vertical movement of the pole makes it possible to extract the blocking sleeve (25).

Abstract: The device comprises a pole (31) fastened to a handling and lifting means arranged above the pool in which the fuel assembly is placed underwater. The pole has at least one lower end part (32) or spindle, the diameter of which is less than the inside diameter of the blocking sleeve (25). This part (32) has a spring means (48) for retaining the blocking sleeve in the position engaged on the spindle, and a transversely arranged surface (38) for bearing on part of the sleeve (25), and a means (40) for the vertical movement of the pole (31).

Abstract: The tool includes a tool head having a tapered portion at one end for receipt within the flexible snap ring of a filter bag for expanding the snap ring into seating and sealing engagement about the margins of the opening in the tube sheet to secure the filter bag in depending relation from the tube sheet. The tool also includes a slidable member or weight along its handle whereby, in the event the tool becomes stuck in the opening, the weight can be displaced upwardly to impact against a tool surface and thus jar the tool loose from its engagement with the snap ring.

Abstract: A tool for removing a Diesel Injector Sleeve from a Diesel engine head is built of a split, threaded expander section within which is mounted at plunger having an angled end. The plunger extends to form a handle upon which slides a weighted hammer section.The tool is inserted into the neck of an injector tube. A downward blow with the hammer drives the expander over the plunger, expanding the threads into the sidewall of the tube and creating a positive connection with the injector tube. An upward blow then pulls the plunger into the expander, maintaining a positive connection and imparting an upward force that draws the entire tube out of the head.The expander preferably has a screw thread so that the injector tube may be removed from the tool by twisting it off the expander.The tool will engage and pull an injector tube with only a partial thread engagement.

Abstract: An apparatus for removing a cylindrical tubular elastomeric cover from and applying a cylindrical tubular elastomeric cover to a cylindrical top roll mandrel of a top roll. An attachment holder holds a selected cover removing or cover applying attachment. A cover applying attachment is held by the attachment holder for carrying a top roll cover to be applied to the top roll mandrel. A cover stripping attachment is provided for being held by the attachment holder and for stripping a cover from a top roll mandrel. A chuck is provided for holding a top roll mandrel with a cover to be removed by the cover stripping attachment, or a top roll mandrel without a cover for receiving a cover applied by the cover applying attachment. A piston and cylinder assembly moves the top roll mandrel reciprocally to and from the attachment holder and the cover applying attachment or the cover stripping attachment held by the attachment holder to thereby apply a cover to or remove the cover from the top roll mandrel.

Abstract: An improved camshaft bushing puller comprising a split collar comprising two hemi-annular sections which can be flexibly compressed to a smaller diameter for insertion into a camshaft bushing. The outer ends of each hemi-annular section have integral outer peripheral lips adapted to engage the outer end of the bushing. Complementary threaded grooves receive the end of a conventional pulling handle which urges the bushing puller into uniform solid contact with the camshaft bushing for effective uniform pulling action.

Abstract: A high pressure fuel injector installation and removal tool for use on internal combustion engines can be used to precisely locate the fuel injector during installation. The installation tool provides an alignment guide, as well as the mechanical impulse necessary to fully seat the fuel injector in the base cavity. The alignment guide forms a location skirt with projected ears around the perimeter of the fuel injector during the installation procedure and thus provides a means to assure sufficient clearance between the fuel injector and surrounding components without need for visual alignment.

Abstract: An apparatus for gripping a tube end of a plate fin heat exchanger by a pair of coacting jaw grippers movable both longitudinally and radially with respect to the tube end. The coacting jaw grippers are positioned such that the tube ends of a multirow coil can be gripped along any row of the coil.

Abstract: A fixture engages each leg of a chair leg assembly to support each leg against longitudinal displacement along respective leg axes. A ram and associated drive member are mounted opposite each leg free end so that each ram axis is substantially aligned with one leg axis. A glide is adapted to fit loosely on the leg free end in a first position and to be driven tightly onto the leg in a second position. A pair of cam arms are coupled to the ram so that as the ram advances toward a leg that has a glide in the first position thereon, the cam arms and jaw members at the free ends of the cam arms, pivot toward the leg. The jaw members cooperate to align the leg axis with the ram axis while the glide is in the first position and to support the leg transversely to the leg axis as the ram advances to drive the glide into the second position.

Abstract: A device for installation and removal of a wrist pin from a piston includes a press pin having an upper end for engaging a hydraulic ram and a lower end section of reduced diameter which engages into the bore of the upper end of a wrist pin. The lower end of the wrist pin is engaged by an end section of reduced diameter of a guide pin, the end section of reduced diameter having at least one groove encircling its circumference and having an O-ring engaged in the groove. The press pin, wrist pin and guide pin engage together to form a substantially rectilinear rod-like structure, enabling the wrist pin to be inserted through the shaft of the piston and eye of the connecting rod without damage to the shaft.

Abstract: An existing underground sewer or other pipe is renovated by rupturing and radially expanding the pipe and installing a replacement pipeline within the ruptured pipe. The pipe is ruptured and radially expanded by introducing a plurality of radially expandable tubular members into the pipe so as to form a liner. Each member is then radially expanded so that the liner engages with and then ruptures the portion of the pipe adjacent thereto. The tubular members may be radially expanded by inflating a bag within the confines of the members.

Abstract: An extractor for removing worm elements which are fastened for rotation on the worm shaft of a worm extruder wherein a frame formed of longitudinal and cross members has a locking device in one of the cross members for holding the worm elements and an opposed, displaceable, pneumatic piston-cylinder unit on another cross member. The piston-cylinder unit has a pressure piston which is extendable axially towards the worm shaft. Between the worm shaft and the piston-cylinder unit is a slide which is displaceable longitudinally and can be engaged by the piston of the piston-cylinder unit. The slide carries an impact device which is pneumatically actuatable and includes an impact shaft for engaging the worm shaft. The locking device includes two clamp jaws which are axially aligned with the impact shaft and the piston and engage the worm profile with an inner profile surface of identical type.

Abstract: The tube plug removal machine removes any type of tube plug by drilling into a plug portion with a tap drill bit, engaging that plug portion with a threaded section of the tap drill bit after the drilled hole has been threaded by a tapping section thereof, and removing a portion of the tube holding the plug in the tube with a counterbore drill bit mounted concentrically about the tap drill bit. A trip pin and trip spline enable the tap drill bit to be automatically disengaged from the motor once the tap drill bit has been threaded into engagement with the plug. The conterbore drill bit is thereafter self-centered with respect to the tube and plug about the now stationary tap drill bit. After a portion of the plug has been removed by the counterbore drill bit, pulling on the tap drill bit will remove the remaining plug portion from the tube.

Abstract: A cylinder liner sleeve puller has four legs having flanged feet at their bottom and being connected by four pivotably mounted pivot arms. The arms are pivotably connected to a central hub, which arrangement forces the lower ends of the legs outward when the hub is manually moved downward. In operation, the legs are inserted into the cylinder so that their bottom extremities are below the lower end of the liner sleeve. The hub is then pressed downward, forcing the lower ends of the legs outward until the flanged feet are directly below the liner sleeve. A jack support plate having spaced holes for the legs is then passed over the legs and rests on the engine block. A hydraulic jack is placed on the support plate, and a top plate is fastened to the top of the legs. When the jack is activated, the plunger pushes the top plate upward, causing a corresponding upward movement of the legs, thereby removing the liner sleeve.

Abstract: A double-acting pinch-free impact tool includes an elongated rod supporting a workpiece engaging implement at an inner end and a slam handle at the outer end. An impact sleeve is secured adjacent the outer end of the rod and includes a pair of longitudinally spaced apart annular impact surfaces. The impact producting slam handle is slidably mounted on the rod over the impact sleeve and includes an outer wall surrounding the sleeve and slidable longitudinally relative to the rod. A handle stop sleeve is secured within the outer wall at an inner end of the handle and includes an inner annular stop face adatpted to impact against the adjacent impact surface of the sleeve on the rod when the handle is moved rapidly outwardly. An outer handle stop is secured within the outer wall of the handle adjacent the outer end and includes an inner end stop adapted to impact against the adjacent impact surface of the sleeve and the rod when the handle is moved rapidly inwardly on the rod.

Abstract: A tube positioning tool for remotely positioning a replacement tube into axial alignment and interfitting engagement with an existing tube, and method for its use. The forward end section of the elongated pressurizable tube positioning tool is first inserted through the replacement tube and into the existing tube end, after which the forward end is clamped into position therein by pressurizing the tool and expanding the tool nose end. Next, the tool body rear piston is pressurized and the replacement tube is moved forward into axial alignment and interfitting engagement with the adjacent existing tube. Then the tool body front piston is pressurized to expand a resilient mandrel and the rear portion of the replacement tube is expanded firmly into the opening in the tube sheet. Following such replacement tube installation, the tool is depressured and withdrawn from the tubes.

Abstract: The present invention relates to a repair sleeve comprising a flexible, hose-like main part (1) and a spiral spring (2), which, when the sleeve is mounted in a pipe line, pretensions the hose-like main part (1) into sealing engagement against the inner wall of the surrounding pipe. The invention also includes an insertion device (4) for the repair sleeve, said device being a cylindrical body (5) mounted on wheels. At the ends of this body (5) there are latching means (7, 8) which are releasably fastenable to the ends of the spring (2). The latching means comprise a pin (7) biased to thrust out through the wall of the body (5) and into holes at the ends of the spring (2) wound round the body (5). Both pins (7) are simultaneously releasable with the aid of a linkage system (11, 13, 14, 15) on actuating the system. Eyes or cages (8) accommodating the ends of the springs are also associated with the pins (7).

Abstract: A device which assists in the removal of diesel engine fuel injectors is disclosed. The device is an adapter (10) which has longitudinal openings (34, 36) therein permitting its receipt on a fuel injector assembly. A pocket (40) is provided at one end of the adapter (10) for engagement with a gripping member provided on the fuel injector assembly. The other end of the adapter (10) can be attached to an impacting device for the removal of the fuel injector.

Abstract: A device for starting a ball in a muzzle-loading firearm and for removing arrowheads lodged in trees or the like, where the arrowheads include threaded fingers extending rearwardly for receiving a correspondingly threaded opening in the forward end of an arrow shaft. The arrow shaft is screwable onto and unscrewable from the threaded finger of the arrowhead and when the arrow, with the arrowhead, is shot into a tree, the arrow shaft is simply unscrewed from the arrowhead. The device of the invention includes an elongate shank, one end of which has a threaded opening therein for screwing onto the threaded finger of the arrowhead, a stop disposed at the other end of the shaft, and a weighted sleeve disposed about the shank to slide therealong. After the elongate shank is screwed onto the arrowhead embedded in the tree, the weighted sleeve is repetitively moved against the stop on the shank to force the device away from the tree and thereby extract the arrowhead from its embedded position.

Abstract: An instrument for removal of a hollow bone cement tube from a femur reimplantation having an elongate hollow tube adapted to be inserted into the bone cement tube to be removed with a collet at the insertion end of the hollow tube being radially expanded to engage the bone cement tube on the interior thereof by rotation of a mandrel having the collet threadedly engaged on the insertion end thereof. The hollow tube engages the collet to prevent relative rotation therewith and to allow the mandrel by threaded engagement with the collet to effect radial expansion thereof.

Abstract: A spring pin removal tool has an attachment at one end for receipt in the chuck of a pneumatic impact tool, a short pilot projection at the other end for receipt in a compressed spring pin, a cylindrical portion having an external diameter of the compressed pin and a length less than the length of the pin.

Abstract: A method of determining the projection of the upper end (15) of a cylinder liner (14) above the top surface (13) of a cylinder block structure (10). The cylinder liner (14) is caused to be fully inserted into the cylinder bore (11) by a press ring (32) acting on the upper end of the cylinder liner concurrently with the measurement of its position. The press ring is resiliently forced against the top surface (37) of the cylinder liner by a plurality of pressure springs (35) and a pressure plate (25). The pressure plate is urged into engagement with the cylinder block structure top surface (13) by a holddown bar (26). The measuring system utilizes a gage indicator (20) having a probe which is selectively engaged with the upper surface of the cylinder liner adjacent positions of force transfer between the press ring and cylinder liner. The probe is caused to determine the position of the cylinder block structure upper surface (13) selectively directly or indirectly.

Abstract: Apparatus and method are disclosed for removing or inserting a bushing or bearing. The apparatus of the present invention includes an elongated bushing or bearing drive shaft; an adjustable sized mandrel which includes a plurality of bushing or bearing drive shoulders; a mandrel spreader for adjusting the mandrel drive shoulders to a predetermined dimension; and a depth stop sleeve adjustably mounted on the elongated drive shaft for determining the depth to which the bushing or bearing can be inserted in any given device. The depth stop sleeve is used only for insertion and not for removal.

Abstract: An improved tool construction for removing spindles from axle shafts by use of a slide hammer which exerts an axial pull on the spindle to dislodge it from an axle housing. The tool is a section of cylindrical thick-wall tubing or pipe which forms a housing, one end of which is open and the other end having an end wall attached thereto. A circular opening is formed in the end wall and is concentric to the cylindrical tubing. A pair of bolt-receiving lugs are mounted at diametrically opposite locations on the tubing at the open end thereof. The outer end of a spindle is inserted through the opening formed in the end wall of the housing and the spindle nuts are reinstalled on the spindle and are adapted to abuttingly engage the inside surface of the housing end wall. A plate is attached to one end of the slide hammer and is mounted on the open end of the housing by a pair of bolts engaged in the housing lugs.

Abstract: A method for removing a tube from an opening in a tubesheet in which a containment plug is placed in the tube at a predetermined distance from the end of the tube and a granular material is placed into a portion of the tube between the plug and the latter tube end. A push rod is applied through the tube end and to said granular material to apply a force to the granular material against the plug to cause the granular material to exert a shear force on the inner wall of the tube of a magnitude to push the tube from the tubesheet opening.

Abstract: A tool for pulling an arrowhead out of, e.g., a tree trunk in which it is embedded comprises a flexible cable threaded at one end to screw into the shank of the arrowhead and a weight to bring a withdrawal impact force to bear at the free end of the cable. The weight may be affixed to the end of the cable or may be provided with a hole through which the weight may be guided along the cable for impact engagement with a stop on the end of the cable. The weight may be used for other purposes, such as holding the arrowhead for sharpening, straightening bent arrow shafts, and other purposes.

Abstract: A tool for removing injectors from diesel engines having a working head proportioned to fit closely within the outer end of the central passage of a diesel injector and provided with a shoulder for limiting penetration thereinto. A transverse passage in the working head contains a spring-loaded pin having a stop to limit the distance by which the outer end of the pin projects beyond the cylindrical surface of the working head when the tool is not in use. In use, the spring-loaded pin is depressed to permit the outer end of the working head to be inserted into the central passage of the diesel injector until the shoulder bears against the diesel injector. The working head is replaceably carried on an elongated shaft, and a massive cylindrical driving member is slideable on the same shaft between a stop at the outer end of the shaft and the working head.

Abstract: A tool for imparting force to a mechanical element located in a confined area having an impact member for receiving and transferring force applied to it, an end member engageable with the mechanical element, and a connector rotatably joining the end member and the impact member, the end member and the impact member having mating faces at least one of which lies in a plane oblique to the force transmitting axis thereof for applying a force to the mechanical element from an angular position of the impact member relative to the end member by selective relative rotation of the impact member and the end member.

Abstract: A tool for inserting balance weights in a rotatable body such as a turbine rotor includes an elongated insertion rod having structure such as threads at one end for attachment to a balance weight. An elongated sleeve slideably surrounds the insertion rod and includes on one end a surface conformed to strike the balance weight when the sleeve is moved on the rod. By striking one end of the sleeve, the balance weight may be upset into a recess in the rotor. A method of using the tool is also disclosed.

Abstract: An extractor for pulling individual tubes from a tube sheet in a heat exchanger. The extractor includes two pairs of drivers mounted in a housing on parallel rotatable shafts. The two drivers in each pair have inclined teeth which project into opposite sides of a passageway along which a tube is drawn. A variable speed pneumatic motor and a gear transmission rotate the four drivers at the same controlled speed and rotate the two drivers in each pair in opposite directions to advance a tube through the passageway.

Abstract: A variable impact jarring tool comprising a handled shaft with a massive impact sleeve slideable thereon. A self-tapping screw on the end of the shaft is driven to grip the workpiece and a first collar adjacent the handle serves as an anvil against which the sleeve impacts. A second collar may be fixed on the shaft in either of two positions, one adjacent the end for a full impact stroke and the other midway thereof for a limited stroke, but providing more clearance at the end for placement of the screw in close places.

Abstract: Apparatus for use in reconditioning engines by reworking or replacing the valve guides and seats thereof, which obviates any need for meticulously positioning a toolholder individually for each valve location. A toolholder bar has one end cross-bored to receive tool-guiding bushings, and the bar has a diametral slot extending axially along a major portion of its length, in alignment with the cross-bore. A pair of V-blocks with clamps is positioned on the head or block being reconditioned and the toolholder bar is positioned in the V-blocks, the arrangement being such that the axis of the bar is aligned with a row of valve locations. Alignment is facilitated by the use of a pair of aligning pins which pass through the slot in the bar after insertion in selected valve guides. When the V-blocks are now secured to the work piece, either of the aligning pins may be removed, and the bar may be slid axially until its crossbore is aligned with the first valve location, where it is clamped.

Abstract: A tool apparatus for removing the cylinder liner from an engine block with or without the assistance of the piston which is slidably mounted within the liner. The apparatus includes a portion which is firmly attached to the cylinder liner from the exterior of the engine block and has an impact member for removing the liner.