Patent ID: 11968930
Assignee: AGCO INTERNATIONAL GMBH
Field: Other special machines (Mechanical engineering)
Classification: CPC A | IPC A

Claim 0:
1. A method of adjusting a shear bar in a forage harvester using a removeable adjustment apparatus having at least one location element for location of the adjustment apparatus with respect to a chopper drum, wherein the at least one location element comprises a locating surface for engagement with a receiving surface of the forage harvester, a lateral element fixedly secured to the at least one location element, at least one spacer element connected to the lateral element, at least one radially inwardly directed guide surface on the at least one spacer element, wherein the at least one radially inwardly directed guide surface is shaped to describe a desired path of at least one chopper knife, and at least one shear bar alignment surface on the at least one location element, in use the shear bar being adjusted such that the shear bar is located against the at least one shear bar alignment surface, the method comprising:
locating the at least one locating surface of the removable adjustment apparatus with respect to the receiving surface of a chopper drum housing forming part of a chopper drum assembly;
aligning the locating surface with the receiving surface of the chopper drum housing;
securing the adjustment apparatus in relation to the chopper drum housing;
inspecting the shear bar;
replacing or adjusting alignment of the shear bar with the shear bar alignment surface or surfaces as required; and
removing the removable adjustment apparatus from the chopper drum assembly.