Patent ID: 7832071

Claim:
A device for extracting a nozzle assembly of a fuel injection installation, the nozzle being pressed into a cylinder head of an internal combustion engine, the device comprising: an extraction device including a support cylinder and a separate, support ring detached from said support cylinder, said support cylinder having a front ring surface located at an end thereof, said support ring having a first ring section and a second ring section to be placed on a valve cover in an area surrounding the nozzle assembly, said support ring being arranged between the support cylinder and a valve cover placed on the cylinder head, said first ring section and said second ring section having a first support surface in contact with the valve cover, said first ring section and said second ring section having a radial width greater than a radial width of said front ring surface, said first ring section and said second ring section having a second support surface, said second support surface engaging said front ring surface of said support cylinder during an extraction operation, said first ring section and said second ring section axially supporting said support cylinder during said extraction operation.