Abstract: A device for the assembly of a motor vehicle clutch (99), has a pretensioning device (1) for clamping a plate spring (102), which is arranged in a clutch cover (100) of the motor vehicle clutch (99) together with a pressure plate (104) and by which the pressure plate (104) is pressed against a carrier plate (119) of the clutch (99) during operation. The clutch cover (100) is mounted stationarily during operation by a plurality of mounting bolts on a driven plate (97) and wherein the pretensioning device (1) has a base plate (2) with a central pressing screw (6), which is axially adjustable centrally through the base plate (2) against the plate spring (102) for pretensioning the plate spring (102).

Abstract: A device for extracting a nozzle assembly of a fuel injection installation. The nozzle assembly is pressed into a cylinder head of an internal combustion engine, with a support pipe, with which the extraction device of the device is supported in the area surrounding the nozzle assembly on the valve cover during the extraction operation. To rule out deformations of the valve cover in case of strong tensile forces and extremely crowded space conditions, provisions are made according to the present invention for a divided support ring, which is formed from two ring sections, which can be placed individually on the valve cover in the area surrounding the nozzle assembly, to be able to be inserted between the support pipe of the extraction device and the surface of the valve cover.

Abstract: A tool system for replacing a glow plug (31) of a diesel engine includes a plurality of tools (55), by means of which a defective glow plug (31), which is screwed tightly into an internal thread (33) of a mounting hole (32) of a cylinder head (30) of the diesel engine, can be removed from the mounting hole (32), the glow plug (31) being arranged in a radially expanded, cylindrical depression (34) of the mounting hole (32) of the cylinder head (30). To make it possible to accurately align the individual tools (55) necessary for replacing the glow plug (31) with the central longitudinal axis of the mounting hole (32), a clamping sleeve (2) is provided, which can be inserted into the depression (34) and into which a centering sleeve (1, 20) can be pushed to concentrically align the individual tools (55, 65, 75, 85, 95). The clamping sleeve (2) can be pressed into the depression (34) to hold the centering sleeve (1, 20) in a fixed and clamping manner.

Abstract: A tool system for replacing a glow plug (31) of a diesel engine includes a plurality of tools (55), by means of which a defective glow plug (31), which is screwed tightly into an internal thread (33) of a mounting hole (32) of a cylinder head (30) of the diesel engine, can be removed from the mounting hole (32), the glow plug (31) being arranged in a radially expanded, cylindrical depression (34) of the mounting hole (32) of the cylinder head (30). To make it possible to accurately align the individual tools (55) necessary for replacing the glow plug (31) with the central longitudinal axis of the mounting hole (32), a clamping sleeve (2) is provided, which can be inserted into the depression (34) and into which a centering sleeve (1, 20) can be pushed to concentrically align the individual tools (55, 65, 75, 85, 95). The clamping sleeve (2) can be pressed into the depression (34) to hold the centering sleeve (1, 20) in a fixed and clamping manner.

Abstract: A device for adjusting a spring shock absorber leg (38) has an upper spring plate (2) and a lower spring plate (40) arranged in an axially fixed manner at a shock absorber pipe (39) of the spring shock absorber leg (38), between which a coil spring (41) is accommodated under pretension during operation. The shock absorber pipe (39) has, on its lower end, a bearing eye (37) running transversely to the shock absorber pipe (39). In order to be able to provide, without any doubt, a to-be-selected angular alignment of a spring plate to its bearing eye, an adjusting plate (1) is provided, which can be caused to mesh in a fixed manner with the upper spring plate in a predetermined angular position. The adjusting plate (1), together with the upper spring plate (2), can be aligned in relation to the lower bearing eye (37) of the shock absorber pipe (39) by means of an adjusting device (35).

Abstract: A device is provided for extracting and pressing in a wheel bearing, which can be accommodated in a bearing bore of a bearing housing of an axle body and via which a wheel hub is rotatably mounted in the bearing housing. The device includes a pressing means as well as a pressing plate (65), which can be arranged with a support flange (84, 85) between the wheel hub and the axle body, wherein the axle body is provided with a plurality of bearing eyes, which are used to mount additional axle components or a caliper.

Abstract: A system for tensioning a coil spring with a spring vice (120), comprising a first and second pressure plate (40, 1) each, which are disk-shaped or strip-shaped and have a central opening (63, 3) each. The pressure plates (40, 1) can be caused to engage a spring turn of the coil spring each to tension the coil spring. A tensioning device is formed from a threaded pipe and a threaded spindle (41). The threaded spindle (41) has a spindle head (85), which is provided with a wrench profile and via which the threaded spindle (41) is axially supported at the first pressure plate (40) by means of a thrust bearing (43) and wherein the threaded pipe (2) has, at its end located axially opposite the spindle head (85), radially projecting radial fingers (31, 32), by which the threaded pipe (2) can be brought into pulling connection with the second pressure plate (1).

Abstract: A device (1) is provided for pressing out a component pressed into a bearing bore of a bearing eye of an axle component. The device includes a support bell (2) being supported at the bearing eye in the area around the bearing bore and a pressure piece (20), which can be pushed axially through the bearing bore together with the component. The pressing device can be operatively positioned or mounted to the support bell (2) and to the pressure piece (20) for the pressing-out operation. To make it possible to carry out the pressing-out operation simply and reliably, provisions are made for arranging a clamping plate (12), which can be detachably connected to the support bell (2) and via which the support bell (2) is held at the bearing eye (24) in a firmly seated manner, at the bearing eye (12) axially opposite the support bell (2).

Abstract: A device for the assembly of a motor vehicle clutch (99), has a pretensioning device (1) for clamping a plate spring (102), which is arranged in a clutch cover (100) of the motor vehicle clutch (99) together with a pressure plate (104) and by which the pressure plate (104) is pressed against a carrier plate (119) of the clutch (99) during operation. The clutch cover (100) is mounted stationarily during operation by a plurality of mounting bolts on a driven plate (97) and wherein the pretensioning device (1) has a base plate (2) with a central pressing screw (6), which is axially adjustable centrally through the base plate (2) against the plate spring (102) for pretensioning the plate spring (102).

Abstract: A device for extracting a nozzle assembly of a fuel injection installation. The nozzle assembly is pressed into a cylinder head of an internal combustion engine, with a support pipe, with which the extraction device of the device is supported in the area surrounding the nozzle assembly on the valve cover during the extraction operation. To rule out deformations of the valve cover in case of strong tensile forces and extremely crowded space conditions, provisions are made according to the present invention for a divided support ring, which is formed from two ring sections, which can be placed individually on the valve cover in the area surrounding the nozzle assembly, to be able to be inserted between the support pipe of the extraction device and the surface of the valve cover.

Abstract: A tool for flanging coated brake pipes has a basic body with a receiving groove and a clamping jaw with a clamping groove. The receiving groove and the clamping groove form a clamping channel, in which the brake pipe can be received snugly. To achieve the snug hold of the brake pipe without unacceptable deformations as well as the coaxial alignment of this brake pipe in relation to a pressure piece of the basic body, by which the flanged head is formed, different surfaces of the receiving groove and of the clamping groove are provided. Thus, the surfaces may be provided with a surface roughness with an arithmetic average peak-to-valley height Ra of 5.0 to 10.0.

Abstract: An extractor is provided for extracting a pin or another component which is pressed into a hole and protrudes from the hole with a cylindrical section. The extractor has a gripping element, which has a tubular basic body, is axially adjustable in a guide tube and is provided at its outer ends with at least two gripping jaws having conical outer jacket surfaces. With the gripping jaws the gripping element can be attached to the center pin or the cylindrical section. The basic body can be pulled axially into the guide tube, as a result of which the gripping jaws are pressed by conical jacket surfaces radially inwardly in cooperation with the guide tube, so that a snug hold of the gripping jaws at the cylindrical pin or the cylindrical section is brought about.

Abstract: A system for tensioning a coil spring with a spring vice (120), comprising a first and second pressure plate (40, 1) each, which are disk-shaped or strip-shaped and have a central opening (63, 3) each. The pressure plates (40, 1) can be caused to engage a spring turn of the coil spring each to tension the coil spring. A tensioning device is formed from a threaded pipe and a threaded spindle (41). The threaded spindle (41) has a spindle head (85), which is provided with a wrench profile and via which the threaded spindle (41) is axially supported at the first pressure plate (40) by means of a thrust bearing (43) and wherein the threaded pipe (2) has, at its end located axially opposite the spindle head (85), radially projecting radial fingers (31, 32), by which the threaded pipe (2) can be brought into pulling connection with the second pressure plate (1).

Abstract: A spring vice is provided with a tensioning device that can be axially introduced into a coil spring to be tensioned. A first disk-shaped pressure plate is provided with an opening and can be detachably connected to a first end of the tensioning device via its said opening. A second pressure plate is provided with an opening and can be detachably connected via its opening to an adjusting member of the tensioning device. The adjusting member is adjustable relative to the first end of the tensioning device. The tensioning device has a drive, especially in the form of a spindle drive, provided with a wrench profile accessible from the outside, at its second end, for adjusting the adjusting member. Each of the pressure plates has a circular tensioning surface which is limited toward the inside and the outside and is interrupted by a recess, for receiving a spring turn each of the coil spring to be tensioned.

Abstract: A device (1) is provided for pressing out a component pressed into a bearing bore of a bearing eye of an axle component. The device includes a support bell (2) being supported at the bearing eye in the area around the bearing bore and a pressure piece (20), which can be pushed axially through the bearing bore together with the component. The pressing device can be operatively positioned or mounted to the support bell (2) and to the pressure piece (20) for the pressing-out operation. To make it possible to carry out the pressing-out operation simply and reliably, provisions are made for arranging a clamping plate (12), which can be detachably connected to the support bell (2) and via which the support bell (2) is held at the bearing eye (24) in a firmly seated manner, at the bearing eye (12) axially opposite the support bell (2).

Abstract: An extractor is provided for extracting a pin or another component which is pressed into a hole and protrudes from the hole with a cylindrical section. The extractor has a gripping element, which has a tubular basic body, is axially adjustable in a guide tube and is provided at its outer ends with at least two gripping jaws having conical outer jacket surfaces. With the gripping jaws the gripping element can be attached to the center pin or the cylindrical section. The basic body can be pulled axially into the guide tube, as a result of which the gripping jaws are pressed by conical jacket surfaces radially inwardly in cooperation with the guide tube, so that a snug hold of the gripping jaws at the cylindrical pin or the cylindrical section is brought about.

Abstract: A tool for flanging coated brake pipes has a basic body with a receiving groove and a clamping jaw with a clamping groove. The receiving groove and the clamping groove form a clamping channel, in which the brake pipe can be received snugly. To achieve the snug hold of the brake pipe without unacceptable deformations as well as the coaxial alignment of this brake pipe in relation to a pressure piece of the basic body, by which the flanged head is formed, different surfaces of the receiving groove and of the clamping groove are provided. Thus, the surfaces may be provided with a surface roughness with an arithmetic average peak-to-valley height Ra of 5.0 to 10.0.

Abstract: An assembly device (1) for drive shafts (40) having a constant-velocity joint (43) has a cross-member (19) which can be fixedly mounted on the drive shaft (40) and a support plate (5), which can be connected to the cross-member (19) via support struts (2). A tension device (32, 32/1, 36) axially supported on the outside of the support plate (5) is provided, which can be brought into engagement with a thread (55) of a drive journal (53) of the constant-velocity joint (43). For the simplest possible operation and a simple adaptation to different constant-velocity joints, it is firstly provided that the support struts (2) can be inserted into through-bores (21), running parallel to the drive shaft (40), of the cross-member (19) mounted on the drive shaft (40) and are housed axially adjustably in the through-bores (21) in relation to the cross-member.

Abstract: A device for widening strap clips (16) includes two clamping jaws (1/3, 1/4), which are arranged opposite each other in a common path of movement and the distance between which can be changed for widening a strap clip (16). The clamping jaws (1/3, 1/4) can be brought into engagement with each radially projecting clamping tongue (21, 22, 23) of the strap clip (16). To prevent damage to the strap clip (16), provisions are made for the clamping jaws (1/3, 1/4) to each have in the area of their faces (2/3, 2/4) facing each other a receiving groove (3/3, 3/4). The receiving groove receives the free end of the respective clamping tongue (21, 22, 23) and has a limiting web (5/3, 5/4) located toward the strap clip (16) extending behind the particular clamping tongue (21, 22, 23) during widening and points, located approximately in parallel to the path of movement, toward the clamping tongue (21, 22, 23).

Abstract: A device for removing a screw (63) or pin tightly seated in a mounting hole of a bearing eye (45) or the like, especially a pivot pin (49, 50) or axle components (45, 25, 26, 27) of a motor vehicle axle is provided. To attach the device to the bearing eye (45) in the area of the screw (63 ), a support body (1) with a lateral support wall (2) is provided, wherein the support body (1) has a pressing device acting on the screw (63). To reach extremely strong pressing forces to loosen and/or press out the screw (63) or the pin, the pressing device (85) has a guide cylinder (99), in which a stud (97) is guided axially displaceably in a guide hole (99). A screw-down nut (91), which is screwed onto the guide cylinder (86) and is provided with a pressing surface (95) acting on the stud (97), is provided for the axial displacement of the stud (97).