Abstract: A controller for hydraulic system of a work machine is provided. The controller is configured to perform a worktool disconnect routine to reduce pressure in a first worktool line and a second worktool line of the hydraulic system. The hydraulic system comprises a spool valve, a first worktool port connected to the spool valve by the first worktool line, a second worktool port connected to the spool valve by the second worktool line, a high pressure flow source of hydraulic fluid connected to the spool valve by a high pressure line and a low pressure tank line connected to the spool valve, the low pressure tank line at a lower pressure than a pressure of the high pressure line.

Abstract: A replaceable work part which has a base and a tooth portion provided on an upper side of the base. A plurality of mounting legs extend downward from the base. Each mounting leg defines a recess and is configured to engage a corresponding mounting structure formed on a jaw of the jaw assembly. The replaceable work part is mounted to the jaw by being inserted into the same from above and sliding the same onto the jaw in a sliding direction to engage the mounting legs with the mounting structures of the jaw. In this state, locking members are inserted between the replaceable work part and the jaw and secured to the replaceable work part to restrict movement of the replaceable work part in the direction opposite to the mounting direction.

Abstract: A tooth shroud for a demolition tool is disclosed wherein forces produced during demolition operations may be dissipated so as to avoid excessive forces at stress points. A tooth block for a demolition tool comprises a first tooth shroud and a second tooth shroud. The first and second tooth shroud each comprising a body having a front wall and an end wall wherein a cavity is enclosed by the front wall and the end wall; an impact member extending longitudinally from the body; and a cut-out disposed on the end wall, wherein the first tooth shroud is connected to the second tooth shroud.

Abstract: A method of decoupling a cylinder from a jaw in a demolition tool is disclosed. The jaw may have spaced apart first and second lugs. The method may include unlocking a first end of a pin from a first lug. The pin may have a groove adjacent the first end. The method may include rotating the first and second lugs in a first direction (A) from a first lug position to a second lug position wherein the pin slides through the first and second lugs and the first end moves from the first lug to the second lug to uncouple the cylinder from the jaw. The method may also include engaging a locking element biasingly supported on the second lug into the groove to retain the pin at the second lug. Further, the method may include moving the cylinder from between the spaced apart first and second lugs.

Abstract: A wiring assembly for an excavator including a first wiring harness and a second wiring harness. The first wiring harness can include a first branch and a second branch. The second wiring harness can include a third branch, a fourth branch, and a fifth branch. The fifth branch can be include a fifth connector couplable to a tiltrotator connector of a tiltrotator of the excavator.

Abstract: A hydraulic cylinder cover is disclosed. The hydraulic cylinder cover may have a body having a first end and a second end. The hydraulic cylinder cover may also have a flange positioned at the first end. In addition, the hydraulic cylinder cover may have a cover eye provided on the flange. The cover eye may be configured to connect to a piston rod eye of a hydraulic cylinder.

Abstract: A jaw assembly for a demolition tool is disclosed. The jaw assembly comprises at least one first coupling portion and at least one second coupling portion disposed on a first jaw. The first coupling portion comprises an intermediate contact member and side contact members laterally extending from opposite sides of the intermediate contact member. A wear plate comprises a body element saddling the intermediate contact member, a pair of spaced apart first engagement elements extending from an end of the body, and a pair of spaced apart second engagement elements extending from an opposite end for engaging the side contact members. An active module is removably coupled to the second coupling portion and comprises a body member and a pair of braces disposed on opposite sides of the body member, wherein a brace extends over the second coupling elements. The wear plate may be replaced when worn out.

Abstract: A replaceable work part for a jaw assembly of a demolition tool is disclosed. The work part (10) comprises a base (12) and a tooth portion (14) provided on an upper side of the base (12). A plurality of mounting legs (16, 18) extend downward from the base. Each mounting leg defines a recess (20, 22) and is configured to engage a corresponding mounting structure formed on a jaw of the jaw assembly. The work part (10) is mounted to the jaw by being inserted into the same from above and sliding the same onto the jaw in a sliding direction to engage the mounting legs (16, 18) with the mounting structures of the jaw. In this state, locking members are inserted between the work part (10) and the jaw and secured to the work part (10) to restrict movement of the work part (10) in the direction opposite to the mounting direction.

Abstract: A jaw assembly for a demolition tool is disclosed. The jaw assembly may have a support portion centrally disposed on a second jaw. The support portion may have a first contact surface and an aperture disposed thereon. A work plate may be mounted on the support portion and may have a plate member in abutting contact with the support portion. The work plate may also have a tooth member and a boss extending in a direction opposite to the tooth member. The boss may be engaged to the aperture. The jaw assembly may have a pair of seating portions disposed on the second jaw, each seating portion having a slot. The jaw assembly may also have a work module mounted in each seating portion. The work module may have a base, a tooth, and a mounting element extending in a direction opposite to the tooth and engaging the seating portion.

Abstract: A replaceable tip for a demolition tool tip may include a first sidewall having a first contact side; a second sidewall having a second contact side; and a center wall connecting the first sidewall and the second sidewall. The center wall may have a third contact side provided with a recess, the recess may have first and second abutment surfaces, and the third contact side may have a third abutment surface adjacent the recess. A channel may be defined by the first, second and third contact sides, and the channel may be configured to receive an adapter of the demolition tool.

Abstract: An apparatus for coupling a work tool to an arm assembly of a machine includes a first plate and a second plate fixed to the work tool, the second plate being spaced apart from the first plate along a first direction. An external surface of the first plate defines a forward recess and an aft recess, and an external surface of the second plate defines a forward recess and an aft recess. A concavity of each of the forward recess of the first plate, the aft recess of the first plate, the forward recess of the second plate, and the aft recess of the second plate facing a second direction, the second direction being transverse to the first direction.

Abstract: A coupler for detachably coupling to a work tool is provided. The coupler includes a frame with a first aperture formed therein. The first aperture extends along a first axis inclined with respect to a transverse axis of the frame. The coupler further includes a first locking member provided within the first aperture. The coupler also includes an actuator configured to move the first locking member between an unlocked position in which first locking member is disengaged from the work tool, and a locked position in which the first locking member is engaged with the work tool.

Abstract: A dragline lip assembly comprising, a dragline lip including at least one upright member having a boss, and a wing shroud comprising. The wing shroud further comprising a first sidewall having a first abutment surface, a second sidewall having a second abutment surface wherein the second sidewall has a securing portion configured so as to be coupled to a lock assembly on the dragline lip, and a center wall having a third abutment surface provided with an opening, the center wall connecting the first sidewall and the second sidewall wherein the first, second and third abutment surfaces define a channel to receive a portion of the at least one upright member and wherein the boss is insertable in the opening.

Abstract: A lip shroud for a dragline lip configured to prevent wear on the dragline lip and to prevent decoupling therefrom during operations. The lip shroud comprises of a first sidewall having a first abutment surface provided with an opening; a second sidewall having a second abutment surface wherein the second sidewall has a securing portion configured for coupling to a lock device on the dragline lip; and a center wall having a third abutment surface, the center wall connecting the first sidewall and the second sidewall wherein the first, second and third abutment surfaces define a channel to receive an edge portion of the dragline lip.

Abstract: An apparatus to couple the work tool to the arm assembly is disclosed. The arm assembly may have at least one arm. The work tool may have at least one recess. The apparatus may have at least one pin member adapted to engage with the at least one arm and the at least one recess. The at least one pin member may rotate in the at least one recess between a locked orientation and an unlocked orientation. The at least one pin member couples the work tool to the arm assembly in the locked orientation, and the work tool is separable from the arm assembly in the unlocked orientation.

Abstract: A tooth shroud for a demolition tool is disclosed wherein forces produced during demolition operations may be dissipated so as to avoid excessive forces at stress points. A tooth block for a demolition tool comprises a first tooth shroud and a second tooth shroud. The first and second tooth shroud each comprising a body having a front wall and an end wall wherein a cavity is enclosed by the front wall and the end wall; an impact member extending longitudinally from the body; and a cut-out disposed on the end wall, wherein the first tooth shroud is connected to the second tooth shroud.

Abstract: A demolition apparatus and an adapter frame of the demolition apparatus are disclosed. The adapter frame may be formed with coupling seats which engage pins on a jaw set to assemble the demolition apparatus. The openings of the coupling seats face different directions for quick and simple assembly of the demolition apparatus. A rotatable locking element may be provided on the adapter frame to lock a pin on the jaw set.

Abstract: A gripping device for attachment to a machine is disclosed. The gripping device may have a mounting structure and a tool housing attached to the mounting structure. The tool housing may have at least one tool attachment portion. The gripping device may have a first tool portion pivotally supported on the at least one tool attachment portion at a first pivot point, and an actuation member disposed between the mounting structure and the first tool portion. Further, the gripping device may have a second tool portion pivotally supported on the first tool portion. The gripping device may also have a push rod disposed between the second tool portion and the at least one tool attachment portion. The push rod may be selectively locked at the first pivot point or second pivot point on the at least one tool attachment portion.

Abstract: The present invention is related to a coupler for detachably coupling to a work tool is provided. The coupler includes a frame with a first aperture formed therein. The first aperture extends along a first axis inclined with respect to a transverse axis of the frame. The coupler further includes a first locking member provided within the first aperture. The coupler also includes an actuator configured to move the first locking member between an unlocked position in which first locking member is disengaged from the work tool, and a locked position in which the first locking member is engaged with the work tool.

Abstract: A cross-link assembly for a dangling worktool may include a frame configured to connect to a grapple, the frame having spaced apart arms; a pin movably engaged with the spaced apart arms, the pin having an abutment portion; and a lock member movably engaged with the frame. The lock member may be configured to engage with the abutment portion and have a lock portion configured to engage with a lock element provided on the grapple.