Patent ID: 7484281

Claim:
A tool system for replacing a glow plug of a diesel engine, the tool system comprising: a plurality of tools by means of which a defective glow plug of a cylinder head, which glow plug is screwed tightly into an internal thread of a mounting hole of the cylinder head of the diesel engine, can be removed from the mounting hole, the glow plug being arranged in a, radially expanded, cylindrical depression of the mounting hole of the cylinder head, a clamping sleeve to be inserted into the depression, said clamping sleeve having a conical outer jacket surface, with which said clamping sleeve can be inserted into the depression; and a centering sleeve to be pushed into the clamping sleeve for a concentric alignment of the individual tools wherein said clamping sleeve is pressable into the depression for holding the centering sleeve in a fixed and clamping manner, wherein said clamping sleeve has a cylindrical through hole, which is arranged concentrically with said jacket surface and has a diameter that decreases when being pressed into the depression of the mounting hole for holding in a clamping manner and for concentric alignment of said centering sleeve with the mounting hole.